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Abstract

Author(s)
Jimenez, M. B.; McDougald, K. A.; Grau, K. H. A.; Galvao, K. N.; Chebel, R. C.; Santos, J. E. P.; Risco, C. A.; Maunsell, F. P.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Proceedings of the Fiftieth Annual Conference of the American Association of Bovine Practitioners, 14-16 September 2017, Omaha, Nebraska, USA, 2017, pp 196
Abstract

The objective was to evaluate the association between changes in daily rumination time (dRT) and early stages of disease during early lactation and to assess the performance of two proposed disease detection indices. This cohort study included 210 multiparous Holstein cows at the University of...

Author(s)
Paudyal, S.; Maunsell, F. P.; Richeson, J. T.; Risco, C. A.; Donovan, D. A.; Pinedo, P. J.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2018, 12, 7, pp 1484-1492
Abstract

Bacterial infection of the mammary gland activates an intracrine vitamin D pathway in macrophages of dairy cows. The active hormone of the vitamin D pathway, 1,25-dihydroxyvitamin D3 (1,25D), stimulates nitric oxide and β-defensin responses in bovine monocyte cultures, but the effect of 1,25D on...

Author(s)
Merriman, K. E.; Poindexter, M. B.; Kweh, M. F.; Santos, J. E. P.; Nelson, C. D.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Journal of Steroid Biochemistry and Molecular Biology, 2017, 173, pp 33-41
Abstract

Environmental influences during different stages of pregnancy can induce lifelong changes in the structure, physiology, and metabolism of the offspring. Our hypothesis was that season of conception (when the offspring was conceived), associated with heat stress conditions at conception and during...

Author(s)
Pinedo, P. J.; Vries, A. de
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 8, pp 6631-6639
Abstract

The fertility of lactating Holstein cows is severely reduced during periods of heat stress. Despite this reduction in fertility, however, some inseminations conducted during heat stress result in successful pregnancies from which heifer calves are born. Many of these heifer calves are retained and...

Author(s)
Brown, B. M.; Stallings, J. W.; Clay, J. S.; Rhoads, M. L.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2016, 11, 2, pp e0148234
Abstract

Our objective was to evaluate the effect of season of calving, associated with variable levels of heat stress, on the dynamics of rumination during the prepartum period and early lactation of cows that were healthy or affected by peripartal health disorders. Three weeks before the estimated due...

Author(s)
Paudyal, S.; Maunsell, F.; Richeson, J.; Risco, C.; Donovan, A.; Pinedo, P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 11, pp 9057-9068
Abstract

Author(s)
Lima, F. L.; Vieira Neto, A.; Martinez, N. M.; Risco, C. A.; Galvão, K. N.; Santos, J. E. P.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Proceedings of the 46th Annual Conference of the American Association of Bovine Practitioners, Milwaukee, Wisconsin, USA, 19-21 September 2013, 2014, pp 136
Abstract

Heat stress at the time of conception affects the subsequent milk production of primiparous Holstein cows; however, it is unknown whether these effects are maintained across multiple lactations. Therefore, the objective of the current study was to examine the relationship between periconceptional...

Author(s)
Brown, B. M.; Stallings, J. W.; Clay, J. S.; Rhoads, M. L.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2015, 10, 10, pp e0133574
Abstract

The objective of this study was to estimate genetic parameters for dry matter intake (DMI) in prepartum nonlactating and in lactating Holstein cows. Measurements were recorded on cows from Iowa State University (ISU) and the University of Florida (UF) dairy herds. Individual feed intake data were...

Author(s)
Shonka, B. N.; Tao, S.; Dahl, G. E.; Spurlock, D. M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2015, 98, 11, pp 8195-8200
Abstract

This study was initiated to evaluate performance and patterns of cow traits and blood metabolites of 3 breeds of cows grazing bahiagrass (Paspalum notatum Flügge) pastures in central Florida. Purebred cows (n=411) of either Angus (Bos taurus), Brahman (Bos indicus), or Romosinuano (Bos taurus)...

Author(s)
Coleman, S. W.; Chase, C. C.; Riley, D. G.; Williams, M. J.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2017, 95, 1, pp 139-153

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