2026 DCRC Annual Meeting Posters

1. Associations between early postpartum vaginal discharge trajectories and health indicators in dairy cows

Carina A. Baretta1,2, Frederico N. S. Pereira1, Izabella S. Ferreira1, Pedro Pivetta de Campos1, Tana J. Almand1, Maria J. Wollentarski1, AkihiroUeda1, Richard V. Pereira1, Hugo F. Monteiro1,3, Fabio S. Lima1*, 1University of California-Davis, Davis, CA, USA; 2Universidade do Estado de Santa Catarina, SC, Brazil; 3Cornell University, Ithaca, NY, USA

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2. Reticuloruminal bolussensor data around calving and after a mastitis challenge: temperature, activity, and rumination responses in dairy cows

P.J.B. Queiroz1,2, A.C. Souza e Castro1, L. Camargo da Costa1, M. Bulnes-Larsen1, R.V.R.S. Leite1, T.H. Swartz1, T.C. Bruinjé1, 1South Dakota State University, Brookings, SD, USA; 2Federal University of Goiás, Goiânia, GO, Brazil

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3. Associations of postpartum plasma haptoglobin concentration with measures of dairy farm productivity, health, and fertility

O. Reyes1, L. K. Mamedova1, D.V. Fonseca2, R.C. Neves3, G.J. Carpenter4, T.R. Montgomery1, A. Abuelo1, B.J. Bradford1, Michigan State University, East Lansing, MI, USA; 2University of Florida, Gainesville, FL, USA; 3Purdue University, West Lafayette, IN, USA; 4Iowa State University, Ames, IA, USA

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4. Estrous behaviour in Holstein heifers: associations with hormonal profiles, ovulation timing, and endometrial gene expression

J.C.S. Marques1, P.P. Souto1,2, M. Baylao1,2, J. Denis-Robichaud3, R.S. Conceicao1, C. C. Bartolomeu2, J.L.M. Vasconcelos4, R.L.A. Cerri1, 1University of British Columbia, Vancouver, BC, Canada; 2Rural Federal University of Pernambuco, Recife, Pernambuco, Brazil; 3University of Montreal, Montreal, QC, Canada; 4São Paulo State University, São Paulo, SP, Brazil

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5. Association of transition health with estrus detection for first insemination by automated activity monitors

Lucio Campora, Carlos Roeschmann, Rocio Malet, Eduardo S. Ribeiro, Rita Couto-Serrenho, Stephen J. LeBlanc, University of Guelph, Guelph, ON, Canada

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6. Associations of early postpartum estrus detection and health with pregnancy at first insemination and by 120 days

Lucio Campora, Carlos Roeschmann, Rocio Malet, Eduardo S. Ribeiro, Rita Couto-Serrenho, Stephen J. LeBlanc, University of Guelph, Guelph, ON, Canada

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7. Machine learning approaches for the early prediction of pregnancy status in dairy cows

Neeraj Neeraj, Teshome Alemu, Raj Duggavathi, McGill University, Montreal, QC, Canada

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8. Risk factors for the development and failed resolution of endometritis and their consequences for reproduction

C.F. Roeschmann, L. Campora, E. Morrison, E.S. Ribeiro, R. Couto Serrenho, S.J. LeBlanc, University of Guelph, Guelph, ON, Canada

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9. Predictive ability of transition health data for first breeding based on automated activity monitors

C.F. Roeschmann, L. Campora, E. Morrison, E.S. Ribeiro, R. Couto Serrenho, S.J. LeBlanc, University of Guelph, Guelph, ON, Canada

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10. Exploration of the peripheral leukocyte transcriptome of primiparous dairy cows with metritis

Lindsey C. Makratzakis, Caio C. Figueiredo, Stephen P. Ficklin, Corinna T. Cauchy, Lindsay M. Parrish, Frederico Narciso de Souza Pereira, Aline Martelo Pereira, Kathlyn M. Heaton, Hussnain Rashid, Craig S. McConnel, Washington State University, Pullman, WA, USA

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11. Characterizing differences in endometrial function associated with purulent vaginal discharge in dairy cattle

M.H. Rashid1, A. Martelo -Pereira1, F.N.S. Pereira1, M.C. Oliveira Costa1, E.F. Santos1, L. Christensen2, J.A. Sexton1, M. Ciccarelli1, L.B. Williams1, M. Binelli3, M.S. Waqas1, E.B. de Oliveira4, C.C. Figueiredo1, 1Washington State University, Pullman, WA, USA; 2University of Idaho, Moscow, ID, USA; 3University of Florida, Gainesville, FL, USA; 4Zoetis Inc., Parsippany, NJ, USA

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12. Evaluation of phenotypic, genomic, and automated activity monitoring data for predicting metritis in Holstein dairy cows using generalized regression models

F.N.S. Pereira1, P. Pivetta de Campos1, A. Ueda1, I.S. Ferreira1, C.A. Baretta1, T.J. Almand1, M.J. Wollentarski1, R.V. Pereira1, E.B. de Oliveira2, H.F. Monteiro1,3, F.S. Lima1, 1University of California-Davis, Davis, CA, USA; 2Zoetis Inc., Parsippany, NJ, USA; 3Cornell University, Ithaca, NY, USA

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13. Assessing the associations between genomic predictions for uterine diseases and their development during the first 10 days postpartum

Pivetta de Campos1, F.N.S. Pereira1, I.S. Ferreira1, H. F. Monteiro1, C. A. Baretta1, A. Ueda1, M.J. Wollentarski1, T.J. Almand1, R.V. Pereira1, E.B. de Oliveira2, H.F. Monteiro1,3, F.S. Lima1, 1University of California-Davis, Davis, CA, USA; 2Zoetis Inc., Parsippany, NJ, USA; 3Cornell University, Ithaca, NY, USA

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14. Effect of treatment with GnRH at the time of AI on fertility outcomes in lactating dairy cows detected in estrus using tail chalk or automated monitoring devices

V.A.B. Primo1, T.D. Gonzalez2, C.J. Middleton1, M.B. Ugarte Marin1, J.A. Gibaud1, R.C. Chebel1, R. S. Bisinotto1, 1University of Florida, Gainesville, FL, USA; 2North Carolina State University, Raleigh, NC, USA

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15. The effect of maternal bovine appeasing substance at time of insemination on fertility of first service lactating dairy cows

I.M.R. Leao, J.P.N. Martins, University of Wisconsin, Madison, WI, USA

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16. Comparison of a 6-d CoSynch program without progesterone implant versus the 5-d CoSynch on fertility of first service dairy heifers

I.M.R. Leao, J.P.N. Martins, University of Wisconsin, Madison, WI, USA

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17. The impact of highly pathogenic avian influenza H5N1 on lactating dairy cow reproductive performance

A.L. Ollinger1, L. Pomi1, A. Hyden1, A. Ahmadzadeh4, K. Alward5, J. Dalton4, R. Hagevoort6, T. Hairgrove1, T. Minela1, S. Paudyal1, J. Piñeiro3, K. Pholer1, D.R. Williams7, J.A. Spencer2, 1Texas A&M University, College Station, TX, USA; 2Texas A&M AgriLife Research and Extension, Stephenville, TX, USA; 3Texas A&M AgriLife Research and Extension, Amarillo, TX, USA; 4University of Idaho, Moscow, ID, USA; 5West Texas A&M University, Canyon, TX, USA; 6New Mexico State University, Las Cruces, NM, USA; 7University of California-Davis, Tulare, CA, USA

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18. Associations of bovine leukemia virus infection with fertility, disease, and culling

O. Willoughby1, E. Morrison1, F. van der Meer2, D. Kelton1, K.L. Spence1, S.J. LeBlanc1,1Ontario Veterinary College, Guelph, ON, Canada; 2University of Calgary, Calgary, AB, Canada

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19. Development of a simplified fertility program for estrus-based and timed AI at scale dairy operations

A. George1, A. Rangel1, S. Narvaez-Sanchez1, E. Bohnen1, K. Schulte1, M. McCracken1, K. Langhofer1, S. Ramos1, R. Rezende2, D. Duhatschek2, T. Cunha2, P. Fricke3, G. Bethard4, V.E. Gomez-Leon5, J.P. Andrade1, 1West Texas A&M University, Canyon, TX, USA; 2Parnell Pharmaceuticals, Overland Park, KS, USA; 3Universityof Wisconsin, Madison, WI, USA; 4High Plains Ponderosa Dairy, Plains, KS, USA; 5Kansas State University, Manhattan, KS, USA

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20. Anti-inflammatory treatment at dry-off: Effects on colostrum quality and quantity and heifer health and reproductive performance

N. Brizuela-Wahlin, R. Sorto, S. Byrnes, E. Hovingh, A.A. Barragan, Penn State University, University Park, PA, USA

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21. Blood leukocyte differential profiles measured using an on-farm device distinguish cows with and without metritis

A.C. Souza e Castro, T.C. Bruinjé, South Dakota State University, Brookings, SD, USA

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22. Patterns of rumination time, physical activity, and body temperature in lactating dairy cows with different pregnancy and ovarian status after artificial insemination

S. Aguero, A. Jacome, A.L. Laplacette, J.O. Giordano, Cornell University, Ithaca, NY, UsA

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23. Validation of an integrated portable imaging system and lateral flow assay for on-farm cattle pregnancy diagnosis

Theopisti A. Nikolaou1, Sebastian Aguero1, Sheridan Tompkins1, Josh Branen2, Noon Elbedawi1, Catherine Guo1, Monalisa Almeida1, Clara Rial1, David Erickson1, Julio Giordano1, 1Cornell University, Ithaca, NY, USA; 2BioTracking, LLC, Moscow, ID, USA

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24. Low prepartum rumination time as a risk factor for postpartum clinical diseases and culling in parous cows

S.J. Bocco, M. Meli, R. Fletcher, B.H. de Lima, G.H. Carlesso, L. Jomier, A. Madureira, T. Duffield, E.S. Ribeiro, University of Guelph, Guelph, ON, Canada

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25. Association of lifetime NM$ with health, metabolic status, and culling in transition Holstein cows

S.M. Bellinzoni, J. López Colón, C. Cardoso Carmona, A.E. Relling, K.C. Krogstad, and G.M. Schuenemann, The Ohio State University, Columbus, OH, USA

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26. Performance of automated estrus alerts generated by a reticulorumen bolus sensor system for prediction of ovulation events in lactating dairy cows

A. Jacome, S. Aguero, M.M. Perez, F.R. Scattolini, J.O. Giordano, Cornell University, Ithaca, NY, USA

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27. Predicting first service reproductive performance in lactating dairy cows with machine learning algorithms trained on behavioral, performance, and cow features data

A.L. Laplacette, A. Jacome, J.O. Giordano, Cornell University, Ithaca, NY, USA

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28. Investigating the importance of subclinical ketosis for cows milked in robotic milking systems

S.M. Moore, J.C.S. Marques, R.S. Conceicao, J. Denis-Robichaud, R.L.A. Cerri, University of British Columbia, Vancouver, BC, Canada

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