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  • President’s Report
  • 60th Annual Meeting (2021), January 26-28, 2021, Virtual

    President’s Report

    President’s Report

    • Sarne De Vliegher

    General Sessions

    Evolution of Dairy’s Past, Present and Future – NMC, the Cow and the Consumer

    • Josh Luth

    Are We Ready for Our Close-up? If COVID- was the Dress Rehearsal, What’s Next?

    • Danelle Bickett-Weddle

    Training, Motivating and Retaining Milk Harvest Technicians with the Roadmap Approach

    • Vibeke Fladkjaer ;
    • Michael Farre

    Sensor-supported Udder Health Management – The Consultant’s Perspective

    • Torben Werner Bennedsgaard

    Detection, Correction, and Prevention of Milking Equipment Problems on Dairy Farms

    • Paul D. Virkler

    COVID is not an Excuse

    • Axel Lundstrom

    Motivating Our Employees and Looking into Their ‘Whys’

    • Jorge Delgado

    Sensor Technology in Udder Health Management

    • Henk Hogeveen ;
    • David Kelton ;
    • Alfonso Zecconi ;
    • Gunnar Dalen ;
    • Hen Honig ;
    • Maria Sánchez Mainar ;
    • Ilka Klaas

    How We Use Sensors on Our Farm from Touching Udders to Touching Screens

    • Sytse Heeg ;
    • Anita Heeg ;
    • Nancy Charlton

    Tools for Guiding Selective Dry Cow Therapy Programs

    • Sam M. Rowe ;
    • Amy K. Vasquez ;
    • Sandra M. Godden ;
    • Daryl V. Nydam

    How to Prevent Abnormal from Becoming Normal: New Zealand’s Effort to Eradicate M. Bovis. Can Your Milk Quality Put Global Trade at Risk?

    • Jess Spatz Shelgren

    Implementing On-farm Intervention for Contagious Mastitis Control

    • Amanda Wright

    Mastitis Pathogen Updates from the Field: Perspectives and Data from a Milk Quality Lab

    • Justine Britten

    Technology Transfer Session

    Comparative Secretome Analysis of Staphylococcus aureus Strains Belonging to Sequence Types with Different Within-herd Mastitis Prevalence

    • M. Filippa Addis ;
    • Salvatore Pisanu ;
    • Martina Penati ;
    • Valentina Monistero ;
    • Alessandra Gazzola ;
    • Bianca Castiglioni ;
    • Paola Cremonesi ;
    • Paolo Moroni ;
    • Daniela Pagnozzi ;
    • Renata Piccinini

    Results of Milk Samples Submitted for Mycoplasma spp. Examination from California Dairies Between 20 and 21

    • Daniela R. Bruno ;
    • Fernanda C. Ferreira ;
    • Karen Tonooka ;
    • Terry Lehenbauer

    Producers’ Perceived Barriers for Reducing Antimicrobial Use in Canadian Dairy Farms: A Qualitative Study

    • Claudia G. Cobo-Angel ;
    • Caroline N.M. Ritter ;
    • Steven M. Roche ;
    • Stephen J. LeBlanc

    Clinical Mastitis-related Antimicrobial Use: Current Practices on Canadian Dairy Farms

    • Ellen de Jong ;
    • Kayley D. McCubbin ;
    • Carmen Brummelhuis ;
    • Herman W. Barkema

    Relationship Between Cow’s Social Interactions and Milk Performance: An Exploratory Use of Social Network Analysis

    • Liliana Fadul-Pacheco ;
    • Michael Liou ;
    • Douglas Reinemann ;
    • Victor. E. Cabrera

    Associations Between Intramammary Infections Caused by Non-aureus Staphylococci, Streptococcus spp. and Streptococcus-like organisms and Staphylococcus aureus in Early Lactation in Organic Dairy Cows

    • Felipe Peña Mosca ;
    • Chris Dean ;
    • Tui Ray ;
    • Enrique Doster ;
    • Leticia Fernandes ;
    • Acir Antunes ;
    • Kirsten Sharpe ;
    • Victoria Feijoo ;
    • Carol Baumann ;
    • Thomas Wehri ;
    • Bradley Heins ;
    • Pablo Pinedo ;
    • Vinicus Machado ;
    • Luciano Caixeta ;
    • Noelle Noyes

    Management of Recycled Manure Solids Bedding on Midwest Dairy Farms. Part 1 - Relationship Between Processing Method, Udder Health and Production, and Bedding Bacteria Counts

    • Sandra M. Godden ;
    • Felipe Peña Mosca ;
    • Erin Royster ;
    • Brian A. Crooker ;
    • Peter Raynor ;
    • Kevin Janni

    Management of Recycled Manure Solids Bedding on Midwest Dairy Farms. Part 2 - Relationship Between Processing Method, Bedding Characteristics and Bedding Bacterial Count

    • Felipe Peña Mosca ;
    • Sandra M. Godden ;
    • Erin Royster ;
    • Brian A. Crooker ;
    • Peter Raynor ;
    • Kevin Janni

    Determination of the Milk Pharmacokinetics and Depletion of Milk Residues Following Intramammary Administration of Cephapirin Sodium in Lactating Dairy Goats

    • Kristen P. Hayman ;
    • Leo L. Timms ;
    • Jonathan P. Mochel ;
    • Paul J. Plummer ;
    • Patrick J. Gorden

    Comparing Blanket Versus Selective Dry-cow Treatment Approaches for Elimination and Prevention of Intramammary Infections During the Dry Period: A Systematic Review and Meta-analysis

    • Fidèle Kabera ;
    • Jean-Philippe Roy ;
    • Mohamed Afifi ;
    • Sandra Godden ;
    • Javier Sanchez ;
    • Simon Dufour

    Antimicrobial Activity of Polyhexamethylene Biguanide Nanoparticles Against Mastitis-causing Staphylococcus aureus

    • Renata de F. Leite ;
    • Juliano L. Gonçalves ;
    • Chiara Febbraro ;
    • Asma Buanz ;
    • Steven Van Winden ;
    • Duncan Craig ;
    • Liam Good ;
    • Marcos V. dos Santos

    Evaluation of Chromogenic Culture Media for Rapid Identification of Gram-positive Bacteria Causing Subclinical Mastitis in Postpartum Period

    • Breno L.N. Garcia ;
    • Brunna M. Granja ;
    • Carlos E. Fidelis ;
    • Gustavo Freu ;
    • Renata de F. Leite ;
    • Marcos V. dos Santos

    Association Between Antimicrobial Use and Antimicrobial Resistance of Streptococcus uberis Causing Clinical Mastitis

    • Larissa Martins ;
    • Renata F. Leite ;
    • Juliano L. Gonçalves ;
    • Tiago Tomazi ;
    • Marcos V. Santos

    Disinfection Properties of Peracetic Acid and Sodium Hypochlorite on New and Aged Liner Surfaces Exposed to Very High Levels of Staph. aureus and Strep. agalactiae

    • Mario López Benavides ;
    • Jason Seymour ;
    • Amanda Faltynowski ;
    • David Lackey

    Combined Bulk Tank SCC and Teat Skin Condition Evaluation in Multiple Herds in Summer Conditions as an Indicator of Product Efficiency

    • G Mazon ;
    • M. López Benavides ;
    • S. Leibowitz ;
    • J. Partridge ;
    • J.H.C Costa

    Case Report: Mycoplasma Mastitis Outbreaks in Two Chilean Dairy Herds

    • Fernando Ulloa ;
    • Diego Bórquez ;
    • Ronald Jara ;
    • Eduardo García ;
    • Juan Kruze ;
    • Armin Mella

    Molecular Characterization of Streptococcus uberis Strains Isolated from a Clinical Bovine Mastitis Outbreak in an Italian Dairy Farm

    • Valentina Monistero ;
    • Paola Cremonesi ;
    • Stefano Morandi ;
    • Antonio Barberio ;
    • Bianca Castiglioni ;
    • Clara Locatelli ;
    • Renata Piccinini ;
    • Paolo Moroni

    Waste Milk Containing Antimicrobials Affects Gut Health and Microbiota Diversity in Calves

    • Martina Penati ;
    • Giulia Sala ;
    • Filippo Biscarini ;
    • Antonio Boccardo ;
    • Valerio Bronzo ;
    • Bianca Castiglioni ;
    • Paola Cremonesi ;
    • Davide Pravettoni ;
    • Clara Locatelli ;
    • Paolo Moroni ;
    • M. Filippa Addis

    Vacuum Control Strategies and Review of ISO Guidelines for Milking Vacuum

    • Douglas J. Reinemann ;
    • Carl Oskar Paulrud

    Evaluation of Four Predictive Algorithms for Intramammary Infection Status in Late Lactation Cows

    • S.M. Rowe ;
    • A.K. Vasquez ;
    • S.M. Godden ;
    • D.V. Nydam ;
    • E. Royster ;
    • J. Timmerman ;
    • M. Boyle

    Partial Budget Analysis of Culture and Algorithm-guided Selective Dry Cow Therapy

    • Sam M. Rowe ;
    • Daryl V. Nydam ;
    • Sandra M. Godden ;
    • Patrick J. Gorden ;
    • Alfonso Lago ;
    • Amy K. Vasquez ;
    • Erin Royster ;
    • Jenny Timmerman ;
    • Mark J. Thomas ;
    • R.A. Lynch

    The Effect of Selective Dry Cow Therapy on New Intramammary Infections and the Bacterial Diversity of Quarter Milk

    • Juliano Leonel Gonçalves ;
    • Priscila Anchieta Trevisoli ;
    • Anderson Clayton da Silva ;
    • Polyana Tizioto ;
    • Renata de Freitas Leite ;
    • Larissa Martins ;
    • Carlos Eduardo Fidelis ;
    • Nathália Cristina Cirone Silva ;
    • Luiz Lehmann Coutinho ;
    • Marcos Veiga dos Santos

    Methicillin-resistant Non-aureus Staphylococci on German Dairy Farms

    • Arne Schnitt ;
    • Tobias Lienen ;
    • Heidi Wichmann-Schauer ;
    • Bernd-Alois Tenhagen

    In Vitro Effect of Bovine-associated Non-aureus Staphylococci on Staphylococcus aureus Growth and rnaIII Expression

    • Bruno T. Silva ;
    • Fernando N. Souza ;
    • Sofie Piepers ;
    • Sarne De Vliegher

    Characteristics that Determine Teat Spray Compatibility and Coverage in Automatic Systems

    • Amy K. Vasquez ;
    • Marianna Gentilini ;
    • Mario Lopez Benavides

    Impact of Dry Cow Antimicrobial Use on the Milk Microbiome: Characterization of Dry-off and Fresh-cow Samples from 6 U.S. Dairy Farms

    • Amy K. Vasquez ;
    • Daryl Nydam ;
    • Sam M. Rowe ;
    • Sandra M. Godden ;
    • Patrick J. Gorden ;
    • Alfonso Lago ;
    • Erin Royster ;
    • Jenny Timmerman ;
    • Mark J. Thomas

    Contribution of Algorithm Components for Determining Intramammary Infection Status Around Dry-off

    • Amy Vasquez ;
    • Sam Rowe ;
    • Daryl Nydam ;
    • Sandra Godden ;
    • Erin Royster ;
    • Jennifer Timmerman ;
    • Matthew Boyle

    Evaluation of Antimicrobial Use Indicators in Udder Health and Productive Efficiency in Dairy Cows in Uruguay

    • Mariana I. Vidart ;
    • Elena M. de Torres ;
    • Daniela V. Escobar ;
    • Gonzalo Suárez

    Case Report: Vaccination for Streptococcus Uberis Infections at 3 Dutch Dairy Herds to Control Clinical Mastitis, Subclinical Mastitis and the Use of Intramammary Antibiotics

    • A.J.G. Beulens ;
    • J.H.J. Hartjes ;
    • Michal Pochodyla

    The Effect of Manual Forestripping on Teat Tissue Condition and Milking Performance in Holstein Dairy Cows

    • Matthias Wieland ;
    • Paul D. Virkler ;
    • Alyssa Weld ;
    • Jaclyn M. Melvin ;
    • Marit R. Wettstein ;
    • Meghan F. Oswald ;
    • Christina M. Geary ;
    • Rick D. Watters ;
    • Rob Lynch ;
    • Daryl V. Nydam

    Using Deep Learning to Assess Teat-end Condition in Dairy Cows

    • Ian R. Porter ;
    • Matthias Wieland ;
    • Parminder S. Basran

    Identifying the Major On-farm Factors Associated with Elevated Free Fatty Acids in Milk

    • Hannah M. Woodhouse ;
    • David F. Kelton

    A Case Report: Monitoring On-farm Culture Lab Performance to Identify Opportunities for Employee Training

    • Ellen N. Launstein ;
    • Linda L. Tikofsky ;
    • Jennifer N. Roberts