National Mastitis Council
65th Annual Meeting
January 26-29, 2026
2026 Technology Transfer Session Poster Presentations

 

  1. The Practices of Michigan and Wisconsin Dairy Veterinarians Regarding Antimicrobial Usage for the Treatment and Prevention of Mastitis
    Jaimie M. Strickland1, Jean Kayitsinga1, Maria Jose Fuenzalida Valenzuela2, Pamela L. Ruegg1, 1Michigan State University, East Lansing, Michigan, USA, 2University of Wisconsin-River Falls, River Falls, Wisconsin, USA
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  1. Characterizing Milk Flow Patterns in Dairy Cows Using Machine Learning: Implications for Milk Yield
    M.B. Ugarte Marin1, V.A.B. Primo1, F.M. Masia2, R.S. Bisinotto1, 1University of Florida, Gainesville, Florida, USA, 2Lely International N.V, Maassluis, South Holland, the Netherlands
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  1. Genetic Diversity and Antimicrobial Resistance in Mastitis-associated Escherichia coli Isolates
    Anna M. Acosta and Edward G. Dudley, The Pennsylvania State University, University Park, Pennsylvania, USA
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  1. Dry-off Milk Yield and Postpartum Udder Health on United States Dairies
    Emily E. Leonard1, Cainan C. Florentino1, Elise R. Shepley1, Felipe Peña-Mosca2, Daryl V. Nydam2, Tiago Tomazi3, Luciano S. Caixeta1, 1University of Minnesota, Saint Paul, Minnesota, USA, 2Cornell University, Ithaca, New York, USA, 3Merck Animal Health, Kenilworth, New Jersey, USA
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  1. Bismuth Residues in Bulk Tank Milk from Dairy Farms Using Automated Milking Systems in Ontario
    Fernando J. Guardado Servellon, David L. Renaud, Kelsey L. Spence, Trevor J. DeVries, Rita Couto Serrenho, University of Guelph, Guelph, Ontario, Canada
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  1. Effects of Repeated Intramammary Lipopolysaccharide Infusion on Neutrophil Dynamics
    Elizabeth N. Plunkett and Benjamin D. Enger, The Ohio State University, Wooster, Ohio, USA
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  1. Protective Effects of Staphylococcus chromogenes against Staphylococcus aureus Intramammary Infections in Dairy Heifers
    Skylar Walton and Pamela R.F. Adkins, University of Missouri, Columbia, Missouri, USA
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  1. Antimicrobial Resistance Genes and Genetic Diversity of Enterococcus Isolates from a Low-antibiotic-use Dairy Farm
    Delower Hossain1, Alessandra Mallardi2,3, Valentina Monistero1, Stefano Morandi3, Bianca Castiglioni3, Paola Cremonesi3, Paolo Moroni1, 1University of Milan, Lodi, Italy, 2University of Pavia, Pavia, Italy, 3National Research Council, Milan, Italy
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  1. Persistent and Transient Subclinical Mastitis Caused by Gram-positive Bacteria Occurring on a Large Organic Dairy Farm
    Lara C.B. Juliano, Jaimie Strickland, Leticia de Souza, Ireyon Buchanna, Pamela L. Ruegg, Michigan State University, East Lansing, Michigan, USA
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  1. Impact of Water Quality on Stability, pH, and Active Ingredient Levels in Teat Disinfectants Prepared from Concentrates
    Camelia Traistaru, Marina Dorella, Samantha Barbosa, Kyle Keller, Mark Henderson, Donna LeJune, Carolina Mateus, Marianna Gentilini, DeLaval Manufacturing, Kansas City, Missouri, USA
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  1. Challenges of On-farm Testing of Chlorine Dioxide in Teat Dip Solutions
    Kyle Keller, Mark Henderson, Camelia Traistaru, Helmut Hirt, Kyle Buhman, Carolina Mateus, Marianna Gentilini, DeLaval Manufacturing, Kansas City, USA
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  1. Effect of an Automatic Teat Scrubber Pre-milking Cow Preparation on Cow Milking Performance
    Felipe Z. Freitas¹, Amanda G.Valle¹, Ángela N. Rodríguez¹, Cristian M. de Magalhães Rodrigues Martins², ¹Evoluir Saúde do Leite, Patos de Minas, Minas Gerais, Brazil, ²Rúmina, Piracicaba, São Paulo, Brazil
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  1. Quantifying Milk Filter Management: A Scoring Approach Linked to Total Bacteria Count and Coliform Count in Automated Milking Systems
    Kaat Lievens1 and Marianna Gentilini2, 1DeLaval NV, Drongen, Belgium, 2DeLaval Manufacturing, Waunakee, Wisconsin, USA
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  1. Association of Subclinical Intramammary Infections and Hygiene, and Characteristics of Teat, Udder, and Cow in Connecticut Dairy Herds
    Caroline Smith and Yasser Mahmmod, Long Island University, Brookville, New York, USA
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  1. Unable to participate in NMC’s 2026 Technology Transfer Session.

  1. Antimicrobial Resistance Analysis in Gram-negative Bacteria Isolated from Milk of Cows with Clinical Mastitis in the Central-Bajio Region of Mexico
    Zaira Irem Gonzalez-Romero, Anabel Ordaz-Vázquez, Valeria María Alanis-Gallardo, Universidad Nacional Autónoma de México, México City, Mexico
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  1. Characterization of the Antimicrobial Resistance Profiles of Gram-negative Bacteria Isolated from Bovine Mastitis Cases Collected Between April and September 2024
    Alejandro Torres Contreras, Anabel Ordaz Vázquez, Valeria María Alanis Gallardo, Universidad Nacional Autónoma de México, Mexico City, México
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  1. Characterization and Control of Clinical Mastitis in Mexican Dairy Herds: Preliminary Results for Health Improvement
    Valeria M. Alanis Gallardo, Omar Baez Salvador, Orbelin Soberanis Ramos, Miguel Angel Ortega Monroy, Anabel Ordaz Vazquez, Universidad Nacional Autónoma de México, Mexico City, Mexico.
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  1. Intramammary Antimicrobial Usage and Phenotypic Antimicrobial Resistance of Staphylococcus aureus in Dairy Cows: A Systematic Review
    Ireyon M. Buchanna, Lara Juliano, Cara Robinson, Annette O’Connor, Pamela L. Ruegg, Michigan State University, East Lansing, Michigan, USA

 

  1. Molecular and Phenotypic Characterization of Prototheca Species Isolates Associated with Bovine Mastitis Cases in Chile
    Armin Mella1, Jaime Rodriguez1, Paulina Sepúlveda-García1, Nivia Canales1, Matías Goddard1, Carlo Cornuy2, Álvaro G. Morales1, Luis Collado1, 1Universidad Austral de Chile, Valdivia, Chile, 2Lecherías del Sur Spa, Francisco Bilbao, Osorno, Chile
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  1. Case Report: FLODX a Novel Biosensor for the Detection of Mastitis Associated Bacteria
    Joanne M. Hanifin1, Joanna B. Tierney1, Bridget A. Breen1, Ashley F. Sullivan1, Venkata Vamsi B. Yallapragada2, 1Centre for Applied Bioscience Research, Munster Technological University, Tralee, Co. Kerry, Ireland, 2Centre for Advanced Photonics & Process Analysis, Munster Technological University, Bishopstown, Cork, Ireland
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  1. Bayesian Estimation of Diagnostic Accuracy of Novel Molecular Microarray Assay and Bacterial Culture for Diagnosis of Bovine Mastitis with Mycoplasma californicum using Latent Class Analysis
    Yasser Mahmmod1, Nicolaas Smit2, Holger Klapproth2,3, Michael Zvonar4, 1Long Island University, Brookville, New York, USA, 2Safeguard Biosystems Holding Ltd., London, United Kingdom, 3University of Freiburg, Freiburg, Germany, 4Valley Veterinarians Inc., Tulare, California, USA
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  1. Microbiome Composition of Bedding, Teat Skin, and Raw Milk in Compost-bedded Pack Barns
    Karise F. Nogara1,3, José A. Ferronatto2,3, Dany Mesa1, Rodrigo Cardoso1, Daniel Angelo Sganzerla Graichen4, Erika K. Ganda3, Maity Zopollatto1, 1Universidade Federal do Paraná, Curitiba, Paraná, Brazil, 2Universidade de São Paulo, São Paulo, São Paulo, Brazil, 3Pennsylvania State University, State College, Pennsylvania, USA, 4Universidade Federal de Santa Maria, Palmeira das Missões, Rio Grande do Sul, Brazil
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  1. Impact of Mastitis Challenge on Greenhouse Gas Emissions from Dairy Cows in Controlled Environment Conditions
    Francisco A. Leal Yepes, Geneva M. Graef, Alejandra Zapata-Salazar, Joseph W. McFadden, Marina Madureira Ferreira, Diego A. Ceballos, Sydney R. Zarb, Nirosh Seneviratne, Quinn K. Kolar, Cornell University, Ithaca, New York, USA
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  1. Management of Dairy Cattle: Effect of Low-stress Cow Handling Strategy on Welfare and Production Performance of Primiparous Cows
    Yujia Tian1, Hui Wang1, Kai Liu2, Ilka Christine Klaas3, Yan Liu4, 1Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, China, 2College of Animal Science and Technology, China Agricultural University, Beijing, China, 3DeLaval International AB, Tumba, Sweden, 4DeLaval Cluster AP, Beijing, China
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  1. Seasonal Incidence Rate of Postpartum Clinical Mastitis of Primiparous and Multiparous dairy cows in Dairy Herds of Uruguay
    Elena de Torres1, Nicolas Torterolo2, Fernando Sotelo3, Cecilia Ponce de León2, Ramiro Larumbe2, María Eugenia Martin2, Jéssica T. Morales4, Bernardo Lockhart1, Brandon González-Córdova5, Marcos A. Muñoz5, 1Universidad de la República, Montevideo, Uruguay, 2Private Dairy Consultant, Uruguay, 3Instituto Nacional para Control y Mejoramiento Lechero, Montevideo, Uruguay, 4Instituto Nacional de Investigación Agropecuaria, Colonia, Uruguay, 5Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
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