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  • Keynote Address
  • 2nd International Symposium (2001)

    September 13, 2001 12:00 AM - September 15, 2001 12:00 AM

    Vancouver, British Columbia

    Keynote Address

    The World of Mastitis

    • K. Larry Smith, The Ohio State University, Wooster, Ohio, USA ;
    • J.S. Hogan, The Ohio State University, Wooster, Ohio, USA

    Session 1 - Resistance Mechanisms, Immunology, and Vaccination

    Acute Phase Proteins in Milk From Dairy Cows With Clinical and Subclinical Mastitis

    • J.L. Fitzpatrick, aDAS, Mamhead Castle, Exeter, England ;
    • C.J. Hogarth, University of Glasgow Veterinary School, Glasgow, United Kingdom ;
    • A.M. Nolan, University of Glasgow Veterinary School, Glasgow, United Kingdom ;
    • P.D. Eckersall, University of Glasgow Veterinary School, Glasgow, United Kingdom

    Comparison of Clinical, Hematologic, and Serum Biochemical Values in Cows With Naturally-Occurring or Experimentally-Induced Coliform Mastitis

    • Marie-France Haddad, University of Illinois, Urbana, Illinois, USA ;
    • Dawn E. Morin, University of Illinois, Urbana, Illinois, USA ;
    • Geoffrey W. Smith, University of Illinois, Urbana, Illinois, USA ;
    • Peter D. Constable, University of Illinois, Urbana, Illinois, USA

    Genetic Regulation of Immune Response and Mastitis Resistance During the Peripartum Period of Dairy Cows

    • Bonnie A. Mallard, University of Guelph, Guelph, Ontario, Canada ;
    • Ken Leslie, University of Guelph, Guelph, Ontario, Canada

    Passive Immunization: Development of a Novel Strategy to Prevent Coliform Mastitis (paper not available)

    • A. Chaiyotwittayakun, Michigan State University, East Lansing, Michigan, USA ;
    • R.J. Erskine, Michigan State University, East Lansing, Michigan, USA ;
    • D. Rebecca, Michigan State University, East Lansing, Michigan, USA ;
    • P.S.D. Weber, Michigan State University, East Lansing, Michigan, USA ;
    • J.L. Burton, Michigan State University, East Lansing, Michigan, USA

    Role of Dietary Copper in Altering Response to Intramammary E. coli Challenge

    • R.W. Scaletti, University of Kentucky, Lexington, Kentucky, USA ;
    • D.S. Trammell, University of Georgia, Tifton, Georgia, USA ;
    • B.A. Smith, University of Kentucky, Lexington, Kentucky, USA ;
    • R.J. Harmon, University of Kentucky, Lexington, Kentucky, USA

    A Comparison of Two Commercially Available Escherichia coli J5 Vaccines Against E. coli Intramammary Challenge

    • G.M. Tomita, LSU Ag Center, Hill Farm Research Station, Homer, Louisiana, USA ;
    • S.C. Nickerson, LSU Ag Center, Hill Farm Research Station, Homer, Louisiana, USA

    Staphylococcus aureus Growth Rate as a Pathogenicity Factor

    • Renata Piccinini, Università degli Studi di Milano, Milano, Italy ;
    • Alfonso Zecconi, Università degli Studi di Milano, Milano, Italy ;
    • Luca Donatelli, Università degli Studi di Milano, Milano, Italy

    Use of Antigen-Specific Vaccines to Enhance Antibiotic Treatment Responses Toward Staphylococcus aureus

    • P.M. Sears, Michigan State University, East Lansing, Michigan, USA ;
    • A.J. Guidry, ARS, USDA, Beltsville, Maryland, USA ;
    • A. Belschner, Pharmacia, Kalamazoo, Michigan, USA

    DNA Vaccination of Mice Against Staphylococcus aureus Clumping Factor A

    • Eric Brouillette, Universite de Sherbroke, Sherbroke, Quebec, Canada ;
    • Lulzim Shkreta, Dairy and Swine Research and Development Centre, Agriculture and Agri-Food Canada, Lennoxville, Quebec, Canada ;
    • Pierre Lacasse, Dairy and Swine Research and Development Centre, Agriculture and Agri-Food Canada, Lennoxville, Quebec, Canada ;
    • Brian Talbot, Universite de Sherbroke, Sherbroke, Quebec, Canada

    Influence of Staphylococcus aureus Strain-Type on Mammary Quarter Milk Somatic Cell Count and N-Acetyl-β-D-Glucosaminidase Activity

    • John R. Middleton, University of Missouri, Columbia, Missouri, USA ;
    • Lawrence K. Fox, Washington State University, Pullman, Washington, USA

    Enhancing Mastitis Resistance By Transgenic Expression of Antimicrobial Proteins

    • A.J. Bramley, The University of Vermont, Burlington, Vermont, USA ;
    • D.E. Kerr, The University of Vermont, Burlington, Vermont, USA ;
    • K. Plaut, The University of Vermont, Burlington, Vermont, USA ;
    • R.J. Wall, U.S. Department of Agriculture, Beltsville, Maryland, USA

    Adenoviral-Mediated Lysostaphin Expression in Goat Mammary Glands and the Host Immunological Response

    • D.E. Kerr, The University of Vermont, Burlington, Vermont, USA ;
    • W. Fan, The University of Vermont, Burlington, Vermont, USA ;
    • J.W. Barlow, The University of Vermont, Burlington, Vermont, USA ;
    • A.J. Bramley, The University of Vermont, Burlington, Vermont, USA ;
    • K. Plaut, The University of Vermont, Burlington, Vermont, USA

    Observational Studies on the Association Between Peak Milk Flow Rate and Mastitis

    • J.W. Barlow, The University of Vermont, Burlington, Vermont, USA ;
    • B.I. Halley, University of Vermont, Burlington, Vermont, USA ;
    • A.J. Bramley, The University of Vermont, Burlington, Vermont, USA ;
    • J.E. Hillerton, Institute for Animal Health, Compton, United Kingdom ;
    • D.C. Howell, University of Vermont, Burlington, Vermont, USA ;
    • J.W. Pankey, University of Vermont, Burlington, Vermont, USA

    Session 2 - Diagnostic Methods and Monitoring

    Acute Phase Proteins - An Aid in Mastitis Diagnostics?

    • Ulrika Grönlund, Swedish University of Agricultural Sciences, Uppsala, Sweden ;
    • Cecilia Hultén, Swedish University of Agricultural Sciences, Uppsala, Sweden ;
    • Peter David Eckersall, University of Glasgow Veterinary School, Glasgow, United Kingdom ;
    • Caroline Hogarth, University of Glasgow Veterinary School, Glasgow, United Kingdom ;
    • Karin Persson Waller, National Veterinary Institute, Uppsala, Sweden

    Molecular Epidemiology of Streptococcus uberis Isolates From Bovine Mastitis

    • Patchara Phuektes, The University of Melbourne, Victoria, Australia ;
    • Peter Mansell, Rod Dyson, Kyabram Veterinary Clinic, Kyabram, Victoria, Australia ;
    • Rod Dyson ;
    • Narelle Hooper, Kyabram Veterinary Clinic, Kyabram, Victoria, Australia ;
    • Jenny Dick, Kyabram Veterinary Clinic, Kyabram, Victoria, Australia ;
    • Glenn Browning, The University of Melbourne, Victoria, Australia

    Clinical, Epidemiological and Molecular Characteristics of Streptococcus uberis

    • Ruth Zadoks, Utrecht University, Utrecht, The Netherlands ;
    • Barbara Gillespie, University of Tennessee, Knoxville, Tennessee, USA ;
    • Otlis Sampimon, Animal Health Service, Deventer, The Netherlands ;
    • Herman Barkema, Animal Health Service, Deventer, The Netherlands ;
    • Steve Oliver, University of Tennessee, Knoxville, Tennessee, USA ;
    • Ynte Schukken, Cornell University, Ithaca, New York, USA

    Raised Somatic Cell Count Due to Staphylococcus aureus Following the Failure of an Automatic Teat Spraying System

    • Peter W. Edmondson, Shepton Veterinary Group, Somerset, England

    Methodological Aspects of Milk Collection in Order to Standardize Sampling and Enhance Sensitivity in Herds With Staph aureus Mastitis

    • R. Eicher, University of Berne, Berne, Switzerland ;
    • V. Fankhauser, University of Berne, Berne, Switzerland ;
    • L. Gerber, University of Berne, Berne, Switzerland ;
    • K. Wettstein, University of Berne, Berne, Switzerland ;
    • P. Boerlin, University of Berne, Berne, Switzerland ;
    • J. Frey, University of Berne, Berne, Switzerland

    Multiplex Pcr as a Mastitis Screening Test For S. aureus, S. agalactiae, S. dysgalactiae and S. uberis in Bulk Milk Samples

    • Patchara Phuektes, The University of Melbourne, Victoria, Australia ;
    • Glenn Browning, The University of Melbourne, Victoria, Australia ;
    • Garry Anderson, The University of Melbourne, Parkville, Victoria, Australia ;
    • Peter Mansell, Rod Dyson, Kyabram Veterinary Clinic, Kyabram, Victoria, Australia

    Development of a Nested PCR Method For Detection of Mycoplasma Bovis in Preserved Milk Samples

    • C. Pinnow, Iowa State University, Ames, Iowa, USA ;
    • J. Butler, Iowa State University, Ames, Iowa, USA ;
    • R. Rosenbusch, Iowa State University, Ames, Iowa, USA ;
    • L. Timms, Iowa State University, Ames, Iowa, USA

    An Evaluation of a Diagnositic and Treatment Protocol For Intramammary Infections in Early Postpartum Dairy Cows

    • Jodi A. Wallace, University of Guelph, Guelph, Ontario, Canada ;
    • Ken E. Leslie, University of Guelph, Guelph, Ontario, Canada ;
    • Randy T. Dingwell, University of Guelph, Guelph, Ontario, Canada ;
    • Ynte H. Schukken, Cornell University, Ithaca, New York, USA

    Comparison of Severity Classification of Coliform Mastitis in Dairy Cattle Based on Udder Inflammatory Changes Versus Systemic Disease Signs

    • John R. Wenz, Colorado State University, Ft. Collins, Colorado, USA ;
    • Franklyn B. Garry, Colorado State University, Ft. Collins, Colorado, USA ;
    • George M. Barrington, Washington State University, Pullman, Washington, USA

    Comparison of Two Clinical Mastitis Management Protocols For Predicting Case Outcome and Cow Survivability

    • C. Dube, Colorado State University, Fort Collins, Colorado, USA ;
    • G. M. Goodell, Colorado State University, Fort Collins, Colorado, USA ;
    • R.P. Dinsmore, Colorado State University, Fort Collins, Colorado, USA ;
    • M.D. Salman, Colorado State University, Fort Collins, Colorado, USA

    WisGraph®: Quantifying the Contribution of Non-Lactating Cow Udder Infection to the Overall Intramammary New Infection Rate on Wisconsin Dairy Farms

    • N.B. Cook, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • T.B. Bennett, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • K.M. Emery, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • K.V. Nordlund, University of Wisconsin-Madison, Madison, Wisconsin, USA

    The Norwegian Survey of Subclinical Mastitis During 2000

    • Liv Sølverød, TINE Mastitis Laboratorium, Molde, Norway ;
    • Olav Østerås, TINE Norwegian Dairies/The Norwegian School of Veterinary Science, Oslo, Norway

    AABP Clinical Mastitis Evaluation Record System Use in Monitoring and Evaluating Clinical Mastitis

    • J.M. Morales, Monsanto, Pittsburgh, Pennsylvania, USA ;
    • J. Hallberg, Pharmacia Co, Kalamazoo, Michigan, USA ;
    • P.M. Sears, Michigan State University, East Lansing, Michigan, USA

    An Investigation of the Relationship Between the Presence of Prototheca and Bactoscan Counts in Raw Milk Samples

    • Ken Leslie, University of Guelph, Guelph, Ontario, Canada ;
    • David Kelton, University of Guelph, Guelph, Ontario, Canada ;
    • Kathleen Day, University of Guelph, Guelph, Ontario, Canada ;
    • Clarissa Snyder, University of Guelph, Guelph, Ontario, Canada ;
    • Anna Bashiri, University of Guelph, Guelph, Ontario, Canada ;
    • William Lachowsky, University of Guelph, Guelph, Ontario, Canada ;
    • Don Barnum, University of Guelph, Guelph, Ontario, Canada ;
    • Ann Godkin, Ontario Ministry of Agriculture, Food & Rural Affairs, Fergus, Ontario, Canada ;
    • Victoria Edge, University of Guelph, Guelph, Ontario, Canada

    Sources of Pseudomonas spp. in Bulk Tank Milk on Colorado Dairy Farms

    • R. Page Dinsmore, Colorado State University, Fort Collins, Colorado, USA ;
    • Scott Meyer, Colorado State University, Fort Collins, Colorado, USA ;
    • Frank Garry, Colorado State University, Fort Collins, Colorado, USA ;
    • Heather Hirst, Colorado State University, Fort Collins, Colorado, USA

    Observations on Yeast Intramammary Infections in New York and Pennsylvania Dairy Herds (paper not available)

    • R.N. Gonzalez, Cornell University, Ithaca, New York, USA ;
    • S.A. Sickles, Cornell University, Ithaca, New York, USA ;
    • D.J. Wilson, Cornell University, Ithaca, New York, USA ;
    • S. Burke, Cornell University, Ithaca, New York, USA ;
    • G.J. Bennett, Cornell University, Ithaca, New York, USA ;
    • M.J. Zurakowski, Cornell University, Ithaca, New York, USA ;
    • Y.H. Schukken, Cornell University, Ithaca, New York, USA

    Session 3 - Epidemiology and Economics

    Monitoring Subclinical Mastitis in Dutch Dairy Herds

    • Judith J. Poelarends, Research Institute for Animal Husbandry, Lelystad, The Netherlands ;
    • Henk Hogeveen, Current address: Farm Management Group, Wageningen University, The Netherlands ;
    • Otlis C. Sampimon, Animal Health Service, Deventer, The Netherlands ;
    • Jan Sol, Animal Health Service, Deventer, The Netherlands

    Dynamics of Environmental Streptococcus Mastitis in Six US Dairy Herds

    • Dawn Morin, University of Illinois, Urbana, Illinois, USA ;
    • Carrie Mallard, University of Illinois, Urbana, Illinois, USA ;
    • Jerry Roberson, Virginia Polytechnic Institute, Blacksburg, Virginia, USA ;
    • Leo Timms, Iowa State University, Ames, Iowa, USA ;
    • Larry Fox, Washington State University, Pullman, Washington, USA ;
    • Ron Erskine, Michigan State University, East Lansing, Michigan, USA ;
    • Walter Hurley, University of Illinois, Urbana, Illinois, USA ;
    • Peter Constable, University of Illinois, Urbana, Illinois, USA

    Effects of Environmental Streptococcus Mastitis in Six US Dairy Herds

    • Dawn Morin, University of Illinois, Urbana, Illinois, USA ;
    • Carrie Mallard, University of Illinois, Urbana, Illinois, USA ;
    • Peter Constable, University of Illinois, Urbana, Illinois, USA ;
    • Ron Erskine, Michigan State University, East Lansing, Michigan, USA ;
    • Larry Fox, Washington State University, Pullman, Washington, USA ;
    • Walter Hurley, University of Illinois, Urbana, Illinois, USA ;
    • Jerry Roberson, Virginia Polytechnic Institute, Blacksburg, Virginia, USA ;
    • Leo Timms, Iowa State University, Ames, Iowa, USA

    Population Dynamics of Staphylcococcus aureus: Room For Control?

    • Ruth Zadoks, Utrecht University, Utrecht, The Netherlands ;
    • Heather Hagenaars ;
    • Herman Barkema, Animal Health Service, Deventer, The Netherlands ;
    • Ynte Schukken, Cornell University, Ithaca, New York, USA

    An Outbreak of Mastitis Caused By Prototheca Spp. on a Large Confinement Dairy: Analysis of Cow Level Risk Factors

    • B.-A. Tenhagen, Free University of Berlin, Berlin, Germany ;
    • P. Kalbe, Free University of Berlin, Berlin, Germany ;
    • G. Klünder, Free University of Berlin, Berlin, Germany ;
    • B. Baumgärtner, Free University of Berlin, Berlin, Germany ;
    • W. Heuwieser, Free University of Berlin, Berlin, Germany

    Case History: Control of Contagious Mastitis in an Expanding Herd and the Effect of Mycoplasma Mastitis on Relative Cow Value (paper not available)

    • F. Welcome, Cornell University, Ithaca, New York, USA ;
    • Y. Schukken, Cornell University, Ithaca, New York, USA

    Mycoplasma Mastitis in the Pacific Northwest: Descriptive Associations With Milk Composition and Quality

    • L.K. Fox, Washington State University, Pullman, Wshington, USA ;
    • D.D. Hancock, Washington State University, Pullman, Wshington, USA ;
    • Antone Mickelson, Northwest Dairy Association Seattle, Washington, USA ;
    • Alan Britten, Udder Health Systems, Bellingham, Washington, USA

    Session 4 - Therapeutics and Pharmacokinetics

    Efficacy of Intramammary Treatment With Procaine Penicillin G vs Procaine Penicillin G Plus Neomycin in Bovine Clinical Mastitis - A Double Blind Field Study

    • S. Pyörälä, University of Helsinki, Saarentaus, Finland ;
    • S. Taponen, University of Helsinki, Saarentaus, Finland ;
    • K. Dredge, University of Helsinki, Saarentaus, Finland ;
    • B. Henriksson, University of Helsinki, Saarentaus, Finland ;
    • A.M. Pyyhtiä, University of Helsinki, Saarentaus, Finland ;
    • L. Suojala, University of Helsinki, Saarentaus, Finland ;
    • R. Junni, University of Helsinki, Saarentaus, Finland ;
    • K. Heinonen, Vetcare Oy, Salo, Finland

    Efficacy of Pirlimycin Hydrochloride For Treatment of Subclinical Mastitis in Lactating Cows

    • H.A. Deluyker, Pharmacia Animal Health, Puurs, Belgium and Kalamazoo, Michigan, USA ;
    • P. Michanek, Pharmacia Animal Health, Puurs, Belgium and Kalamazoo, Michigan, USA ;
    • N. Wuyts, Pharmacia Animal Health, Puurs, Belgium and Kalamazoo, Michigan, USA ;
    • S.N. VanOye, Pharmacia Animal Health, Puurs, Belgium and Kalamazoo, Michigan, USA ;
    • S.T. Chester, Pharmacia Animal Health, Puurs, Belgium and Kalamazoo, Michigan, USA

    Streptococcal Group G Mastitis in a New York Dairy Herd

    • Linda L. Tikofsky, Cornell University, Ithaca, New York, USA ;
    • Rubén N. Gonzalez, Cornell University, Ithaca, New York, USA ;
    • Ynte H. Schukken, Cornell University, Ithaca, New York, USA ;
    • Michael Zurakowski, Cornell University, Ithaca, New York, USA

    Aggressive Therapy of Clinical Streptococcus uberis Mastitis

    • J. Eric Hillerton, Institute for Animal Health, Compton, United Kingdom ;
    • Kirsty E. Kliem, Institute for Animal Health, Compton, United Kingdom

    Field Efficacy and Dose Confirmation Study For an Intramammary Formulation of Ceftiofur for the Treatment of Clinical Mastitis in Lactating Dairy Cattle

    • J.W. Hallberg, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA ;
    • J.L. Watts, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA ;
    • M.B. Wachowski, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA ;
    • J.S. Wolbers, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA ;
    • S.T. Chester, Pharmacia Animal Health, Puurs, Belgium and Kalamazoo, Michigan, USA ;
    • K.J. Dame, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA

    Prevention and Pirlimycin Therapy Strategies For a High Somatic Cell Count Herd: Case Study

    • Leo Timms, Iowa State University, Ames, Iowa, USA

    Systemic Ceftiofur as a Therapy For Severe Clinical Mastitis

    • R.J. Erskine, Michigan State University, East Lansing, Michigan, USA ;
    • P.C. Bartlett, Michigan State University, East Lansing, Michigan, USA ;
    • J.L. VanLente, Michigan State University, East Lansing, Michigan, USA ;
    • C.R. Phipps, Michigan State University, East Lansing, Michigan, USA

    Use of Antimicrobial Nisin to Treat Streptococcus agalactiae Mastitis

    • Philip Sears, Michigan State University, East Lansing, Michigan, USA

    Lactoferrin: A New Therapy For Prevention of Bovine Mastitis?

    • T. Kutila, University of Helsinki, Helsinki, Finland ;
    • S. Pyörälä, University of Helsinki, Saarentaus, Finland ;
    • K. Vahtola, University of Oulu, Oulu, Finland ;
    • L. Myllykoski, University of Oulu, Oulu, Finland ;
    • H. Saloniemi, University of Helsinki, Helsinki, Finland

    Evaluation of a Homeopathic Nosode For Mastitis Prevention

    • J.W. Barlow, The University of Vermont, Burlington, Vermont, USA ;
    • L. McCrory, Northeast Organic Farming Association of Vermont, Richmond, Vermont, USA ;
    • E. Mulloy, University of Vermont, Burlington, Vermont, USA ;
    • D. Bahrawy, University of Vermont, Burlington, Vermont, USA ;
    • S. Woodard, Northeast Organic Farming Association of Vermont, Richmond, Vermont, USA ;
    • L. Craft, Northeast Organic Farming Association of Vermont, Richmond, Vermont, USA ;
    • P. Murdough, University of Vermont, Burlington, Vermont, USA ;
    • J.W. Pankey, University of Vermont, Burlington, Vermont, USA

    Efficacy For Intramammary Formulations Of Pirlimycin Hydrochloride, Ceftiofur Hydrochloride, and Ceftiofur Crystalline Free Acid as Dry Cow Therapies

    • J.W. Hallberg, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA ;
    • M.B. Wachowski, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA ;
    • G.R. Alaniz, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • S.T. Chester, Pharmacia Animal Health, Puurs, Belgium and Kalamazoo, Michigan, USA ;
    • K.J. Dame, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA

    Pharmacokinetic and Pharmacodynamic Parameters of Isoflupredone Acetate in an Endotoxin-Induced Mastitis Model (paper withdrawn)

    • S. Wagner, Iowa State University, Ames, Iowa, USA ;
    • M. Apley, Iowa State University, Ames, Iowa, USA ;
    • W. Hyde, Iowa State University, Ames, Iowa, USA

    The Effect of a Combined Intramammary and Intramuscular Treatment of Mastitis on Excretion of Antibiotics In Milk

    • Judith J. Poelarends, Research Institute for Animal Husbandry, Lelystad, The Netherlands ;
    • Henk Hogeveen, Current address: Farm Management Group, Wageningen University, The Netherlands ;
    • Meike Te Giffel, NIZO Food Research, Ede, The Netherlands

    Violative Drug Residues in Tissues Of Dairy Calves After Consuming Milk Replacer Spiked With Procaine Penicillin G

    • Jeffrey M.B. Musser, Texas A&M University, College Station, Texas, USA, North Carolina State University, Raleigh, North Carolina, USA ;
    • Kevin L. Anderson, North Carolina State University, Raleigh, North Carolina, USA

    In Vitro Antimicrobial Susceptibility of Escherichia coli Isolates Originating From Clinical Bovine Mastitis In Finland and Israel

    • T. Kaipainen, University of Helsinki, Saarentaus, Finland ;
    • A. Schwimmer, Hebrew University of Jerusalem, Rehovot, Israel ;
    • N. Shpigel, Hebrew University of Jerusalem, Rehovot, Israel ;
    • T. Honkanen-Buzalski, National Veterinary and Food Research Institute, Helsinki, Finland ;
    • S. Pyörälä, University of Helsinki, Saarentaus, Finland

    Failure of Kirby-Bauer Antibiotic Susceptibility Testing to Predict the Clinical and Bacteriologic Response to Treatment of Bovine Mastitis With Intramammary Cephapirin and Intravenous Oxytetracycline

    • Peter D. Constable, University of Illinois, Urbana, Illinois, USA ;
    • Dawn E. Morin, University of Illinois, Urbana, Illinois, USA

    Session 5 - Prevention and Management Strategies

    Farm Management Practices that Influence the Number and Type of Streptococci and Streptococci-Like Organisms in Dairy Herds

    • D.R. Wolfgang, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • B.M. Jayarao, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • S.R. Pillai, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • A.A. Sawant, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • C.M. Burns, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • L.J. Hutchinson, The Pennsylvania State University, University Park, Pennsylvania, USA

    Common Milking System Problems and Their Impact on Mastitis Incidence

    • Hal Schulte, Cornell University, Ithaca, New York, USA ;
    • Ynte Schukken, Cornell University, Ithaca, New York, USA ;
    • David Wilson, Cornell University, Ithaca, New York, USA

    Inches From Disaster: Mastitis and Injury Problems Associated With Freestall Modifications in a Large Dairy Herd

    • Ken Nordlund, University of Wisconsin, Madison, Wisconsin ;
    • Simon Peek, University of Wisconsin, Madison, Wisconsin ;
    • Tom Bennett, University of Wisconsin, Madison, Wisconsin ;
    • Kathy Emery, University of Wisconsin, Madison, Wisconsin ;
    • Jerry Gaska, Gaska Dairy Health Services, Columbus, Wisconsin

    An Assessment of the Efficacy of Dry Cow Therapy in the Control of Clinical Coliform Mastitis

    • A.J. Bradley, University of Bristol, Bristol, United Kingdom ;
    • M.J. Green, Orchard Veterinary Group, Glastonbury, Somerset, United Kingdom

    Risk Factors Associated With the Cure of Staphylococcus aureus Infection During the Dry Period

    • Randy Dingwell, University of Guelph, Guelph, Ontario, Canada ;
    • Todd Duffield, University of Guelph, Guelph, Ontario, Canada ;
    • Greg Leslie ;
    • Ynte Schukken, Cornell University, Ithaca, New York, USA ;
    • Randy Bagg, Provel, a Division of Eli Lilly Canada, Guelph, Ontario Canada ;
    • Luc DesCoteaux, University of Montreal, St. Hyacinthe, Quebec, Canada ;
    • Wayne Shewfelt, Tavistock Veterinarians, Tavistock, Ontario, Canada ;
    • Jeromy TenHag, Ontario Ministry of Agriculture, Food, Rural Affairs, Fergus, Ontario, Canada

    Results and Cost-Benefit Analysis of a Staph aureus Control Program in Commercial Dairy Herds

    • Alfonso Zecconi, Università degli Studi di Milano, Milano, Italy ;
    • Renata Piccinini, Università degli Studi di Milano, Milano, Italy ;
    • Sabrina Romani, Prohe srl, Production and Health, Milano, Italy

    An Assessment of the Ability of a Non Antibiotic Internal Teat Sealant to Prevent New Intramammary Infections During the Dry Period Under UK Field Conditions

    • J.N. Huxley, University of Bristol, Bristol, United Kingdom ;
    • M.J. Green, Orchard Veterinary Group, Glastonbury, Somerset, United Kingdom ;
    • L.E. Green, University of Warwick, Coventry, United Kingdom ;
    • A.J. Bradley, University of Bristol, Bristol, United Kingdom

    Trends in Norwegian Udder Health Data During 1975 Through 2000

    • Kerstin Plym Forshell, TINE Norwegian Dairies BA, Ås, Norway ;
    • Olav Østerås, TINE Norwegian Dairies/The Norwegian School of Veterinary Science, Oslo, Norway

    Effect of 20 Years of Selection Against Clinical Mastitis in the Norwegian Cattle Population

    • Bjørg Heringstad, Agricultural University of Norway, Ås, Norway ;
    • Gunnar Klemetsdal, Agricultural University of Norway, Ås, Norway ;
    • Romdhane Rekaya, University of Wisconsin, Madison, Wisconsin, USA ;
    • Daniel Gianola, University of Wisconsin, Madison, Wisconsin, USA

    Bulk Tank Milk Analysis: A Useful Tool For Ascertaining Information on Milk Quality and Herd Udder Health

    • B.M. Jayarao, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • S.R. Pillai, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • D.R. Wolfgang, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • C.M. Burns, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • L.J. Hutchinson, The Pennsylvania State University, University Park, Pennsylvania, USA

    An Evaluation of the Canadian Quality Milk Program and Implementation

    • Nicole Unger, Ministry of Agriculture, Food, Fisheries, Abbotsford, British Columbia, Canada ;
    • Ministry Agriculture ;
    • Food $lastName ;
    • Fisheries $lastName

    Activities and Outcomes of Wisconsin Dairy Farms Participating in Team-Based Milk Quality Programs

    • Pamela Ruegg, University of Wisconsin, Madison, Wisconsin, USA

    Prototheca Intramammary Infections: Impact on Prepasteurized Milk Quality and Herd Management (paper not available)

    • R.N. Gonzalez, Cornell University, Ithaca, New York, USA ;
    • G.J. Bennett, Cornell University, Ithaca, New York, USA ;
    • D.J. Wilson, Cornell University, Ithaca, New York, USA ;
    • M.J. Zurakowski, Cornell University, Ithaca, New York, USA ;
    • S.A. Sickels, Cornell University, Ithaca, New York, USA ;
    • D.V. Nydam, Cornell University, Ithaca, New York, USA

    A Case-Based Approach to Dealing With Rising Somatic Cell Counts in a Large Dairy Herd

    • R.A. Page, Michigan State University, East Lansing, Michigan, USA ;
    • P.A. Busman, Michigan State University, East Lansing, Michigan, USA ;
    • P.M. Sears, Michigan State University, East Lansing, Michigan, USA

    Session 6 - Teat Health and Milking Systems

    Evaluation of Bovine Teat Condition in Commercial Dairy Herds: 1. Non-Infectious Factors

    • G.A. Mein, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia ;
    • F. Neijenhuis, The Netherlands ;
    • W.F. Morgan, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia ;
    • D.J. Reinemann, USA ;
    • J.E. Hillerton, Institute for Animal Health, Compton, United Kingdom ;
    • J.R. Baines, UK ;
    • I. Ohnstad, UK ;
    • M.D. Rasmussen, Denmark ;
    • L. Timms, Iowa State University, Ames, Iowa, USA ;
    • J.S. Britt, USA ;
    • R. Farnsworth, USA ;
    • N. Cook, USA ;
    • T. Hemling, USA

    Evaluation of Bovine Teat Condition in Commercial Dairy Herds: 2. Infectious Factors and Infections

    • J. Eric Hillerton, Institute for Animal Health, Compton, United Kingdom ;
    • W.F. Morgan, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia ;
    • R. Farnsworth, USA ;
    • F. Neijenhuis, The Netherlands ;
    • J.R. Baines, UK ;
    • G.A. Mein, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia ;
    • I. Ohnstad, UK ;
    • D.J. Reinemann, USA ;
    • L. Timms, Iowa State University, Ames, Iowa, USA

    Evaluation of Bovine Teat Condition in Commercial Dairy Herds: 3. Getting the Numbers Right

    • D.J. Reinemann, USA ;
    • M.D. Rasmussen, Denmark ;
    • S. Neijenhuis ;
    • G.A. Mein, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia ;
    • J.E. Hillerton, Institute for Animal Health, Compton, United Kingdom ;
    • W.F. Morgan, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia ;
    • L. Timms, Iowa State University, Ames, Iowa, USA ;
    • N. Farnsworth ;
    • J.R. Baines, UK ;
    • T. Hemling, USA

    Evaluation of Bovine Teat Condition in Commercial Dairy Herds: 4. Relationship Between Teat-End Callosity or Hyperkeratosis and Mastitis

    • F. Neijenhuis, The Netherlands ;
    • G.A. Mein, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia ;
    • J.S. Britt, USA ;
    • D.J. Reinemann, USA ;
    • J.E. Hillerton, Institute for Animal Health, Compton, United Kingdom ;
    • R. Farnsworth, USA ;
    • J.R. Baines, UK ;
    • T. Hemling, USA ;
    • I. Ohnstad, UK ;
    • N. Cook, USA ;
    • W.F. Morgan, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia ;
    • L. Timms, Iowa State University, Ames, Iowa, USA

    Effects of Milking Vacuum on Milking Performance and Teat Condition

    • Douglas J. Reinemann, University of Wisconsin, Madison, Wisconsin, USA ;
    • Misty A. Davis, University of Wisconsin, Madison, Wisconsin, USA ;
    • Debora Costa, University of Wisconsin, Madison, Wisconsin, USA ;
    • Ana Carolina Rodriguez, University of Wisconsin, Madison, Wisconsin, USA

    Efficiency of Different Types of Milking Parlors and Factors Related to Quality Milk

    • Marcelo Pérez, Alpura, Texcoco, México

    Automated Collection of Parlor Performance Data: Information Needed and Proposed Standardized Definitions

    • Steven Stewart, University of Minnesota, St Paul, Minnesota, USA ;
    • Steve Eicker, Valley Ag Software, King Ferry, New York, USA ;
    • Paul Rapnicki, University of Minnesota, St Paul, Minnesota, USA

    Dynamic Efficiency: A Vacuum Regulation Measurement Protocol For Milking Machines

    • Allan M. Britten, Udder Health Systems, Inc., Bellingham, Washington, USA ;
    • Lionel H. Brazil, Western Dairies Inc., Tulare, California, USA

    Methodology of Measuring Strip Yield

    • M.A. Davis, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • D.J. Reinemann, USA

    Effects of Automatic Take-Off Settings on Individual Cow Milking Duration and Milk Yield

    • S. Godden, University of Minnesota, St. Paul, Minnesota, USA ;
    • S. Stewart, University of Minnesota, St. Paul, Minnesota, USA ;
    • P. Rapnicki, University of Minnesota, St. Paul, Minnesota, USA ;
    • D. Reid, Rocky Ridge Veterinary Services, Hazel Green, Wisconsin, USA ;
    • A. Johnson, Total Herd Management Services, Seymour, Wisconsin, USA ;
    • S. Eicker, Valley Ag Software, King Ferry, New York, USA

    The Impact of Automatic Milking on Udder Health

    • Morten Dam Rasmussen, Danish Institute of Agricultural Sciences, Tjele, Denmark ;
    • Jens Yde Blom, Danish Agricultural Advisory Centre, Aarhus, Denmark ;
    • Lars Arne Hjort Nielsen, Danish Agricultural Advisory Centre, Aarhus, Denmark ;
    • Per Justesen, Danish Dairy Board, Aarhus, Denmark

    Automatic Milking: How to Define a Threshold For Dumping Mastitic Milk

    • Morten Dam Rasmussen, Danish Institute of Agricultural Sciences, Tjele, Denmark

    Assessment of a Milking Robot in Wisconsin and Update on US Regulatory Approvals For Automatic Milking Systems

    • Douglas J. Reinemann, University of Wisconsin, Madison, Wisconsin, USA ;
    • Pamela L. Ruegg, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • Misty A. Davis, University of Wisconsin, Madison, Wisconsin, USA

    Udder Health and Milk Quality on Ontario Dairy Farms Utilizing Voluntary Milking Systems

    • David F. Kelton, University of Guelph, Guelph, Ontario, Canada ;
    • Jack Rodenburg, Ontario Ministry of Agriculture, Food, Rural Affairs, Woodstock, Ontario, Canada ;
    • Karen Hand, University of Guelph, Guelph, Ontario, Canada

    Poster Session

    Influence of Using a Iodine Predip on BTSCC, SPC, PIC, LPC, and CC Values and on Mastitis Pathogens in Bulk Tank Milk

    • C.N. Acuña, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina ;
    • R.E. Chertcoff, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina ;
    • G.M. Citro, DiverseyLever Argentina S.A., Buenos Aires, Argentina ;
    • S.A Bollini, DiverseyLever Argentina S.A., Buenos Aires, Argentina ;
    • Agro-Veterinary Quality ;
    • Mastitis,DiverseyLever S.A.

    Prevalence and Antimicrobial Susceptibilities of Mastitis Pathogens Isolated From Clinical Cases of Argentine Dairy Cows

    • R.E. Chertcoff, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina ;
    • C.N. Acuña, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina ;
    • E. Izak, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina

    Prevalence of Mastitis Pathogens in Bulk Tank Milk of Argentina

    • C.N. Acuña, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina ;
    • R.E. Chertcoff, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina ;
    • M. Lamanna, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina

    The Influence of Various Teat Preparation Routines on the Recovery of Staphylococcus spp., Streptococcus spp., and Coliforms From Teat Skin Swabs

    • C.N. Acuña, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina ;
    • R.E. Chertcoff, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina ;
    • S.C. Nickerson, LSU Ag Center, Hill Farm Research Station, Homer, Louisiana, USA

    Adherence Strategies of Streptococcus uberis

    • R.A. Almeida, The University of Tennessee, Knoxville, Tennessee, USA ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Internalization of Mastitis Pathogens: A Bacterial Strategy to Survive and Cause Intramammary Infection

    • R.A. Almeida, The University of Tennessee, Knoxville, Tennessee, USA ;
    • L.F. Calvinho, INTA EEA Rafaela, Argentina ;
    • D. Döpfer, Utrecht University, Utrecht, The Netherlands ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Protective Effect of Melatonin and Catalase in Neutrophil-Induced Mammary Epithelial Cell Damage

    • V. Boulanger, AAFC-Bovine and Swine Research and Development Centre, Lennoxville, Quebec, Canada ;
    • X. Zhao, McGill University, Montreal, Quebec, Canada ;
    • P. Lacasse, AAFC-Bovine and Swine Research and Development Centre, Lennoxville, Quebec, Canada

    An Investigation of Factors Affecting the Ability of Escherichia coli to Cause Prolonged Intramammary Infection

    • A.J. Bradley, University of Bristol, Bristol, United Kingdom ;
    • T. Knowles, University of Bristol, Bristol, United Kingdom ;
    • W.P.H. Duffus, University of Bristol, Bristol, United Kingdom

    The Use of Ultrasonography in the Assessment of the Supramammary Lymph Node in Lactating Dairy Cattle

    • K.J. Bradley, University of Bristol, Bristol, United Kingdom ;
    • F.J. Barr, University of Bristol, Bristol, United Kingdom ;
    • A.J. Bradley, University of Bristol, Bristol, United Kingdom

    Incidence of Clinical Mastitis in Two Institutional Dairy Herds: A Retrospective Study (1988/1990-2000)

    • J.R.F. Brito, Embrapa Gado de Leite, Juiz de For a, Brazil ;
    • M.A.V.P. Brito, Embrapa Gado de Leite, Juiz de For a, Brazil ;
    • G.N. Souza, Embrapa Gado de Leite, Juiz de For a, Brazil ;
    • A.C.C.L. Ribeiro, Embrapa Gado de Leite, Juiz de For a, Brazil

    Subclinical Mastitis in Two Institutional Dairy Herds: A Retrospective Study (1994-2000)

    • J.R.F. Brito, Embrapa Gado de Leite, Juiz de For a, Brazil ;
    • G.N. Souza, Embrapa Gado de Leite, Juiz de For a, Brazil ;
    • M.A.V.P. Brito, Embrapa Gado de Leite, Juiz de For a, Brazil ;
    • L. Rubiale, Embrapa Gado de Leite (Embrapa Dairy Cattle), Juiz de Fora, Brazil

    A Diagnostic Algorithm For Investigating Mastitis Problems on Farms

    • N.B. Cook, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • T.B. Bennett, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • K.M. Emery, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • K.V. Nordlund, University of Wisconsin-Madison, Madison, Wisconsin, USA

    Microorganisms Isolated From Mastitis and Their Influence on Milk Quality

    • E.O. Costa, Universidade de São Paulo, São Paulo, Brazil ;
    • P. Melville, Universidade de São Paulo, São Paulo, Brazil ;
    • F. Jr ;
    • A. Ribeiro ;
    • J. Silva ;
    • D. Leal ;
    • E.P. Carvalho

    Microorganisms Isolated From Mastitis: Antibiotic In Vitro Sensitivity

    • E.O. Costa, Universidade de São Paulo, São Paulo, Brazil ;
    • P.A. Melville ;
    • F. Jr ;
    • A.R. Ribeiro ;
    • J.A.B. Silva

    Effect of Liner Age on Milking Characteristics of the Liner

    • M.A. Davis, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • D.J. Reinemann, USA

    Evaluation of Milking Performance of Cows Milked With a Conventional Parlor Compared to an Automatic Milking System

    • M.A. Davis, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • D.J. Reinemann, USA

    Methodology of Measurement and Classification of Irregular Vacuum Fluctuations (IVF)

    • M.A. Davis, University of Wisconsin-Madison, Madison, Wisconsin, USA ;
    • D.J. Reinemann, USA ;
    • G.A. Mein, Teat Club International, c/o F. Neijenhuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands, Authors from: Australia

    The Effect of Milk Production and Management Factors on the Process of Drying-Off Dairy Cows

    • R.T. Dingwell ;
    • K.E. Leslie ;
    • D.F. Schukken ;
    • J. Sargeant ;
    • L. Timms, Iowa State University, Ames, Iowa, USA

    Factors Influencing Iodine Content of Milk After Predipping With a Teat Disinfectant Containing Polyvidone Iodine

    • U. Falkenberg ;
    • B.-A. Tenhagen, Free University of Berlin, Berlin, Germany ;
    • D. Forderung ;
    • W. Heuwieser, Free University of Berlin, Berlin, Germany

    In Vitro Sensitivity Pattern and Betalactamase Production of Escherichia coli Strains Isolated From Bovine Mastitis Cases

    • F. Jr ;
    • E.O. Costa, Universidade de São Paulo, São Paulo, Brazil

    Comparison of the Antibiotic Susceptibilities of Staphylococcus aureus Between Organic and Traditional Dairy Herds: Preliminary Results (poster withdrawn)

    • L. Garrison-Tikofsky ;
    • C. Kuzma ;
    • R. Gonzalez, Cornell University, Ithaca, New York, USA

    DNA Fingerprinting of Mastitis Pathogens: A Useful Tool For Bacterial Identification and Epidemiological Investigations

    • B.E. Gillespie ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Efficacy of Extended Pirlimycin Therapy For Treatment of Chronic Intramammary Infections in Lactating Dairy Cows

    • B.E. Gillespie ;
    • H. Moorehead ;
    • H.H. Dowlen ;
    • D.L. Johnson ;
    • K.C. Lamar ;
    • M.J. Lewis ;
    • S.J. Ivey ;
    • Chester ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    PCR-Elisa Procedure For Salmonella Serovars A, B, C1, C2 and D

    • B.E. Gillespie ;
    • A.G. Mathew ;
    • F.A. Draughon, , The University of Tennessee, Knoxville, Tennessee, USA ;
    • B.M. Jayarao, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Using Cell Counts of Colostrum Foremilk Samples For Mastitis Detection

    • Nils Thomas Grabowski, School of Veterinary Medicine, Hannover, Federal Republic of Germany ;
    • Volker Krömker ;
    • Jörn Hamann, School of Veterinary Medicine, Hannover, Federal Republic of Germany

    Meta-Analysis of Electrical Conductivity Data of Quarter Milk Samples to Improve Mastitis Diagnosis

    • Volker Krömker ;
    • Jörn Hamann, School of Veterinary Medicine, Hannover, Federal Republic of Germany ;
    • Nils Thomas Grabowski, School of Veterinary Medicine, Hannover, Federal Republic of Germany

    Physiological Levels of Mastitis-Indicating Milk Constituents

    • Jörn Hamann, School of Veterinary Medicine, Hannover, Federal Republic of Germany ;
    • Nils Thomas Grabowski, School of Veterinary Medicine, Hannover, Federal Republic of Germany ;
    • Volker Krömker ;
    • Karl Nogai

    Comparison of Blood Constituent Concentrations From the Udder and Jugular Vein of High-Yielding Cows

    • Ralf Redetzky, School of Veterinary Medicine, Hannover, Federal Republic of Germany ;
    • Volker Krömker ;
    • Jörn Hamann, School of Veterinary Medicine, Hannover, Federal Republic of Germany

    An Investigation of Factors Affecting the Adherence and Efficacy of an External Teat Sealant in Organic Herds

    • A.J. Hayton, Kingfisher Vet. Group, Crewkerne, Somerset, United Kingdom ;
    • A.J. Bradley, University of Bristol, Bristol, United Kingdom

    Evaluation of Bovine Teat Condition in Commercial Dairy Herds: 5. A Portfolio of Teat Conditions

    • J. Eric Hillerton, Institute for Animal Health, Compton, United Kingdom ;
    • N. Middleton, Institute for Animal Health, Compton, United Kingdom ;
    • M.F.H. Shearn, Institute for Animal Health, Compton, United Kingdom

    Treatment of Clinical Bovine Mastitis With Diode Laser Application

    • M. Hoedemaker, School of Veterinary Medicine Hannover, Hannover, Germany ;
    • E.M. Hackenforth, School of Veterinary Medicine Hannover, Hannover, Germany

    Comparison of Two Manual Methods of Washing and Disinfection of Teatcups During the Milking Routine on the Reduction of Staphylococcus species

    • A.E. Hoet, La Universidad del Zulia, Maracaibo, Zulia State, Venezuela ;
    • G. Carruyo, La Universidad del Zulia, Maracaibo, Zulia State, Venezuela ;
    • E. Gutierrez, La Universidad del Zulia, Maracaibo, Zulia State, Venezuela ;
    • M. Bravo, La Universidad del Zulia, Maracaibo, Zulia State, Venezuela ;
    • M. Parra, La Universidad del Zulia, Maracaibo, Zulia State, Venezuela

    Speciation of Corynebacteria of Milk Origin By Restriction Analysis of the 16S rRNA Gene Sequence

    • J.N. Huxley, University of Bristol, Bristol, United Kingdom ;
    • A.J. Bradley, University of Bristol, Bristol, United Kingdom

    Evaluation of Combination Therapy in Dairy Herds With High Incidence of Clinical Staphylococcus aureus Mastitis

    • E. Izak, Agro-Veterinary Advisory Group in Milk Quality and Mastitis, Buenos Aires, Argentina

    Bacteriological Quality of Bulk Tank Milk in Pennsylvania

    • B.M. Jayarao, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • S.R. Pillai, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • D.R. Wolfgang, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • C.M. Burns, The Pennsylvania State University, University Park, Pennsylvania, USA ;
    • L.J. Hutchinson, The Pennsylvania State University, University Park, Pennsylvania, USA

    Efficacy of Acidified Sodium Chlorite and 0.5% Iodine Postmilking Teat Dips For Control of Environmental and Contagious Mastitis Under Natural Exposure Conditions

    • G. Kemp

    Detection of Mastitis Using Selected Quarter-Milk Parameters

    • Volker Krömker ;
    • Nils Thomas Grabowski, School of Veterinary Medicine, Hannover, Federal Republic of Germany ;
    • Ralf Redetzky, School of Veterinary Medicine, Hannover, Federal Republic of Germany ;
    • Jörn Hamann, School of Veterinary Medicine, Hannover, Federal Republic of Germany

    A Customizable Milking Poster to Establish a Standard Operating Procedure and to Train New Milkers (poster withdrawn)

    • Pierre Levesque, Institute of Agricultural Technology, La Pocatiere, Quebec, Canada

    Machine Milking: What Does the Cow Want (poster withdrawn)

    • Pierre Levesque, Institute of Agricultural Technology, La Pocatiere, Quebec, Canada

    Pierre Levesque

    • Institute Technology ;
    • La Pocatiere ;
    • Quebec $lastName ;
    • Canada $lastName

    New Aspects Regarding The Use of Milk Electrical Conductivity as a Parameter for Routine Diagnostics in Dairy Production Medicine Programs

    • R. Mansfeld, University of Munich, Munich, Germany ;
    • Silke Mansfeld, University of Munich, Munich, Germany ;
    • Brigitte Santl, University of Munich, Munich, Germany ;
    • Martina Hoedemaker, School of Veterinary Medicine Hannover, Hannover, Germany

    Prevalence of Mastitis In Heifers and Identification of Risk Factors

    • María Martín-Richard, Asesoría para la Producción Láctea, Guadalix de la Sierra, Madrid, Spain ;
    • Mercedes González-Fernández de Castro, Asesoría para la Producción Láctea, Guadalix de la Sierra, Madrid, Spain ;
    • Ángeles Gómez-Leira, Asesoría para la Producción Láctea, Guadalix de la Sierra, Madrid, Spain ;
    • María García-Alba, Asesoría para la Producción Láctea, Guadalix de la Sierra, Madrid, Spain

    Evaluation of a New Teat Dip Incorporating Accelarated Hydrogen PeroxideTM(poster withdrawn)

    • Michael D. McKinzie, DeLaval, Kansas City, Missouri, USA ;
    • Thomas C. Hemling, DeLaval, Kansas City, Missouri, USA

    Residual Efficacy of Two Acidified Sodium Chlorite Barrier Teat Disinfectants Using an In-Vitro Pseudo Teat Method

    • Joseph Morelli, Alcide Corporation, Redmond, Washington, USA ;
    • Maura Aldrich, Alcide Corporation, Redmond, Washington, USA ;
    • Cayce Warf, Alcide Corporation, Redmond, Washington, USA

    Evaluation of Antimicrobial Agents For Inhibiting Fungal Growth On Agar Media for Isolation of Campylobacter in Fecal Samples From Cull Dairy Cows

    • S.E. Murinda, The University of Tennessee, Knoxville, Tennessee, USA ;
    • L.T. Nguye, The University of Tennessee, Knoxville, Tennessee, USA ;
    • S.J. Ivey ;
    • R.A. Almeida, The University of Tennessee, Knoxville, Tennessee, USA ;
    • P. Meleo, , The University of Tennessee, Knoxville, Tennessee, USA ;
    • F.A. Draughon, , The University of Tennessee, Knoxville, Tennessee, USA ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Isolation of Mastitis And Foodborne Pathogens From Dairy Farms

    • S.E. Murinda, The University of Tennessee, Knoxville, Tennessee, USA ;
    • L. Nguyen ;
    • S.J. Ivey ;
    • R.A. Almeida, The University of Tennessee, Knoxville, Tennessee, USA ;
    • B.E. Gillespie ;
    • F.A. Draughon, , The University of Tennessee, Knoxville, Tennessee, USA ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Prevalence of Salmonella spp. in Bulk Tank Milk and Fecal Samples From Cull Dairy Cows

    • S.E. Murinda, The University of Tennessee, Knoxville, Tennessee, USA ;
    • L. Nguyen ;
    • S.J. Ivey ;
    • R.A. Almeida, The University of Tennessee, Knoxville, Tennessee, USA ;
    • B.E. Gillespie ;
    • F.A. Draughon, , The University of Tennessee, Knoxville, Tennessee, USA ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Prevalence of Escherichia coli O157:H7 in Bulk Tank Milk and Fecal Samples From Cull Dairy Cows

    • S.E. Murinda, The University of Tennessee, Knoxville, Tennessee, USA ;
    • L. Nguyen ;
    • S.J. Ivey ;
    • R.A. Almeida, The University of Tennessee, Knoxville, Tennessee, USA ;
    • B.E. Gillespie ;
    • F.A. Draughon, , The University of Tennessee, Knoxville, Tennessee, USA ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Prototheca zopfi Mastitis in Holstein Dairy Herds and Its Characteristics of Insufficient Elimination (poster withdrawn)

    • H. Nagahata, Rakuno Gakuen University and Hokkaido-Nosai obihiro, Hokkaido, Japan ;
    • K. Kawai, Rakuno Gakuen University and Hokkaido-Nosai obihiro, Hokkaido, Japan ;
    • H. Higuchi, Rakuno Gakuen University and Hokkaido-Nosai obihiro, Hokkaido, Japan ;
    • W. Miki, Rakuno Gakuen University and Hokkaido-Nosai obihiro, Hokkaido, Japan ;
    • T. Kayama, Rakuno Gakuen University and Hokkaido-Nosai obihiro, Hokkaido, Japan

    Comparison of Intramammary Antibiotic Preparations For The Treatment of Clinical Bovine Mastitis Caused by Bacteria Sensitive to Penicillin

    • Stig Anders Ødegaard, The Norwegian School of Veterinary Science, Oslo, Norway ;
    • Ståle Sviland, National Veterinary Institute of Norway, Oslo, Norway

    Practical Control of Environmental Mastitis on a High Yielding Dairy Herd in Southern England

    • I.C. Ohnstad, ADAS, Mamhead Castle, Exeter, England

    An Effective Strategy for the Control of Mastitis in Heifers

    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA ;
    • B.E. Gillespie ;
    • M.J. Lewis ;
    • E.C. Jaenicke, The University of Tennessee, Knoxville, Tennessee, USA ;
    • H.H. Dowlen

    Identification of Lactoferrin-Binding Proteins in Streptococcus Dysgalactiae Isolated From Cows With Mastitis

    • H.M. Park, The University of Tennessee, Knoxville, Tennessee, USA ;
    • R.A. Almeida, The University of Tennessee, Knoxville, Tennessee, USA ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Retained Effect of Milking Induced Keratin Removal?

    • C. Oskar Paulrud, Danish Dairy Board, Aarhus, Denmark ;
    • Morten D. Rasmussen, Danish Institute of Agricultural Sciences, Tjele, Denmark

    Standardized Method to Estimate Potential For Bacterial Growth in Bedding

    • A.P. Johnson, University of Minnesota, St. Paul, Minnesota, USA ;
    • P. Rapnicki, University of Minnesota, St. Paul, Minnesota, USA ;
    • R.F. Bey, University of Minnesota, St. Paul, Minnesota, USA ;
    • R.J. Farnsworth, University of Minnesota, St. Paul, Minnesota, USA ;
    • S.M. Godden, University of Minnesota, St. Paul, Minnesota, USA ;
    • S.C. Stewart, University of Minnesota, St. Paul, Minnesota, USA

    Iron-Uptake Mechanisms as Virulence Factors of Escherichia coli Isolated From Bovine Mastitis

    • Márcio Garcia Ribeiro, Universidade de São Paulo Brazil, São Paulo, Brazil ;
    • Elizabeth Oliveira da Costa, Universidade de São Paulo Brazil, São Paulo, Brazil ;
    • Antônio José Piantino Ferreira, Universidade de São Paulo Brazil, São Paulo, Brazil ;
    • Domingos Da Silva Leite, Universidade de São Paulo Brazil, São Paulo, Brazil ;
    • Hélio Langoni, Universidade de São Paulo Brazil, São Paulo, Brazil ;
    • Felício Garino Júnior, Universidade de São Paulo Brazil, São Paulo, Brazil

    Disturbed Milk Let-Down in Cows After Transport: Etiology and Use of a Long-Acting Oxytocin Analogue For Prophylaxis

    • J. Riedl, Clinic for Veterinary Gynaecology and Obstetrics, LMU, Munich, Germany, *Institute of Physiology, TU, Munich-Weihenstephan, Germany ;
    • E. Kiossis, Clinic for Veterinary Gynaecology and Obstetrics, LMU, Munich, Germany, *Institute of Physiology, TU, Munich-Weihenstephan, Germany ;
    • B.L. Daffner, Clinic for Veterinary Gynaecology and Obstetrics, LMU, Munich, Germany, *Institute of Physiology, TU, Munich-Weihenstephan, Germany ;
    • R.M. Bruckmaier, R. Mansfeld, Clinic for Veterinary Gynaecology and Obstetrics, LMU, Munich, Germany, *Institute of Physiology, TU, Munich-Weihenstephan, Germany ;
    • R. Mansfeld, University of Munich, Munich, Germany ;
    • R. Stolla, Clinic for Veterinary Gynaecology and Obstetrics, LMU, Munich, Germany, *Institute of Physiology, TU, Munich-Weihenstephan, Germany

    In Vitro Activity of Pirlimycin, Lincomycin/Neomycin, and Comparators Against Bovine Mastitis Pathogens Isolated from Dairy Cows in Europe

    • E. S. Portis, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • S. A. Salmon, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • D. L. Galler, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • C. A. Case, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • H.A. Deluyker, Pharmacia Animal Health, Puurs, Belgium and Kalamazoo, Michigan, USA ;
    • J.L. Watts, Pharmacia and Upjohn Animal Health, Kalamazoo, Michigan, USA

    In Vitro Activity of Pirlimycin, Penicillin/Novobiocin, Ceftiofur, and Comparators Against Bovine Mastitis Pathogens Isolated From Dairy Cows in the United States and Canada

    • Sarah A. Salmon, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • Lisa Ruiz, National Food Research Institute, Tsukuba, Japan ;
    • Kathy Stroh Glenn, University of California, Tulare, California, USA ;
    • John W. Hallberg, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • Jeffrey L. Watts, Pharmacia Animal Health, Kalamazoo, Michigan, USA

    Minimum Inhibitory Concentration Determinations For Ceftiofur Against Escherichia coli, Arcanobacterium pyogenes, and Fusobacterium necrophorum Isolated From Cases of Acute Puerperal Metritis in Cows

    • Sarah A. Salmon, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • Eric J. Schmitt, and Puurs, Belgium

    Evaluation of Five Selective Media For Isolation of Catalase Negative Gram Positive Cocci From Bulk Tank Milk

    • Ashish A. Sawant, Pennsylvania State University, University Park, Pennsylvania, USA ;
    • Shreekumar R. Pillai, Pennsylvania State University, University Park, Pennsylvania, USA ;
    • Bhushan M. Jayarao, Pennsylvania State University, University Park, Pennsylvania, USA

    Association of Mastitis With Reproductive Failure in Dairy Cattle

    • F.N. Schrick, The University of Tennessee, Knoxville, Tennessee, USA ;
    • M.E. Hockett, The University of Tennessee, Knoxville, Tennessee, USA ;
    • H.H. Dowlen ;
    • M.E. Lewis, The University of Tennessee, Knoxville, Tennessee, USA ;
    • S.P. Oliver, The University of Tennessee, Knoxville, Tennessee, USA

    Trends In Somatic Cell Counts, Bacterial Counts, and Antibiotic Residue Violations in New York State in 1999-2000

    • Gerdien Van Schaik, Cornell University, Ithaca, New York, USA ;
    • Michal Lotum, Cornell University, Ithaca, New York, USA ;
    • Ynte H. Schukken, Cornell University, Ithaca, New York, USA

    Molecular Subtyping and Population Genetics of Human and Bovine Streptococcus agalactia Isolates

    • Sharinne Sukhnanand, Cornell University, Ithaca, New York, USA ;
    • Ynte H. Schukken, Cornell University, Ithaca, New York, USA ;
    • Jonathan Hibbs, New York State Department of Health, Albany, New York, USA ;
    • Robin Manthei, Cornell University, Ithaca, New York, USA ;
    • Nellie B. Dumas, Cornell University, Ithaca, New York, USA ;
    • Kathryn J. Boor, Cornell University, Ithaca, New York, USA ;
    • Martin Wiedman, Cornell University, Ithaca, New York, USA

    Summary of Early Lactation DHIA Somatic Cell Counts

    • Steven Stewart, University of Minnesota, St Paul, Minnesota, USA ;
    • Sandra Godden, University of Minnesota, St. Paul, Minnesota, USA ;
    • Paul Rapnicki, University of Minnesota, St Paul, Minnesota, USA ;
    • Steven Eicker, Valley Ag Software, King Ferry, New York, USA

    Evaluation of Recommended and Extended Pirlimycin Therapy Strategies in Four High Somatic Cell Count Herds

    • Leo Timms, Iowa State University, Ames, Iowa, USA

    Field Trial Evaluations of a Persistent Barrier Teat Dip For Preventing Mastitis During The Dry Period and as a Potential Alternative to Dry Cow Therapy

    • Leo Timms, Iowa State University, Ames, Iowa, USA

    Field Trial Evaluation of Extended Pirlimycin Therapy With or Without Vaccination for Staphylococcus aureus Mastitis

    • Leo Timms, Iowa State University, Ames, Iowa, USA

    New Technology for Milk Quality Monitoring: Near Infrared Spectroscopy for Mastitis Diagnosis (poster withdrawn)

    • R. Tsenkova, Kobe University, Kobe, Japan ;
    • F. Terada, National Institute of Animal Industry, Tsukuba Norin Danchi, Japan ;
    • S. Kawano, National Food Research Institute, Tsukuba, Japan ;
    • K. Itoh, Hokkaido University, Sappora, Japan ;
    • K. Toyoda, Hokkaido University, Sappora, Japan

    Iodine Contamination of Milk

    • Yvonne Van der Vorst , Research Institute for Animal Husbandry, Lelystad, The Netherlands

    Milk Quality Costs

    • Yvonne Van der Vorst , Research Institute for Animal Husbandry, Lelystad, The Netherlands ;
    • Michel De Haan, Research Institute for Animal Husbandry, Lelystad, The Netherlands ;
    • Jan Kanis, Research Institute for Animal Husbandry, Lelystad, The Netherlands ;
    • Betsie Slaghuis, Research Institute for Animal Husbandry, Lelystad, The Netherlands ;
    • Grea Wolters, Research Institute for Animal Husbandry, Lelystad, The Netherlands

    The New York State Cattle Health Assurance, Program Mastitis Module: An Integrated Mastitis Prevention/Milk Quality Improvement Program

    • Frank Welcome, Cornell University, Ithaca, New York, USA ;
    • Ynte H. Schukken, Cornell University, Ithaca, New York, USA ;
    • Bill Stone, Cornell University, Ithaca, New York, USA ;
    • John Huntley, Department of Agriculture, Markets, Albany, New York, USA ;
    • Mark McConnon, Department of Agriculture, Markets, Albany, New York, USA ;
    • Kathy Kaufman, Department of Agriculture, Markets, Albany, New York, USA

    Use of Composite Milk Samples for Screening Individual Groups for Identification of Mycoplasma spp. Infected Cows as a Cost Saving Tool (paper not available)

    • F. Welcome, Cornell University, Ithaca, New York, USA ;
    • R. Gonzalez, Cornell University, Ithaca, New York, USA ;
    • M. Zurakowski, Cornell University, Ithaca, New York, USA

    Activity of Selected Antimicrobial Agents Against Strains of E. coli and Klebsiella spp. Isolated From Bovine Intramammary Infections

    • John R. Wenz, Colorado State University, Ft. Collins, Colorado, USA ;
    • Sarah A. Salmon, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • Edward J. Robb, Pharmacia Animal Health, Kalamazoo, Michigan, USA ;
    • Franklyn B. Garry, Colorado State University, Ft. Collins, Colorado, USA ;
    • George M. Barrington, Washington State University, Pullman, Washington, USA

    Evaluation of an Experimental Pulsation System Purported to Improve Milk Quality

    • David J. Wilson, Cornell University, Ithaca, New York, USA ;
    • Ruben N. González, Cornell University, Ithaca, New York, USA ;
    • Lee H. Southwick, Cornell University, Ithaca, New York, USA ;
    • Charles L. Guard, Cornell University, Ithaca, New York, USA

    Cow and Quarter Level Risk Factors For Staphylococcus aureus and Streptococcus uberis Mastitis

    • Ruth Zadoks, Utrecht University, Utrecht, The Netherlands ;
    • Heather Allore, Yale University, New Haven, Connecticut, USA ;
    • Herman Barkema, Animal Health Service, Deventer, The Netherlands ;
    • Otlis Sampimon, Animal Health Service, Deventer, The Netherlands ;
    • Yrjö Gröhn, Cornell University, Ithaca New York, USA ;
    • Ynte Schukken, Cornell University, Ithaca, New York, USA