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Animal Science Database

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Abstract

A blinded, negative controlled, randomized intervention study was undertaken to test the hypothesis that addition of meloxicam, a nonsteroidal anti-inflammatory drug, to antimicrobial treatment of mild to moderate clinical mastitis would improve fertility and reduce the risk of removal from the...

Author(s)
McDougall, S.; Abbeloos, E.; Piepers, S.; Rao, A. S.; Astiz, S.; Werven, T. van; Statham, J.; Pérez-Villalobos, N.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 3, pp 2026-2042
Abstract

The objectives of this study were to (1) evaluate factors associated with variation in circulating anti-Müllerian hormone (AMH) concentrations, (2) establish an optimum AMH threshold predictive of pregnancy to first artificial insemination (P/AI), (3) examine the relationship between AMH and...

Author(s)
Gobikrushanth, M.; Purfield, D. C.; Colazo, M. G.; Butler, S. T.; Wang, Z.; Ambrose, D. J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 8, pp 7563-7574
Abstract

Author(s)
Martins, J. P. N.; Martinez, W.; Schmitt, J. S.; Ross, P. J.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Proceedings of the Fifty-First Annual Conference of the American Association of Bovine Practitioners, Phoenix, Arizona, USA, September 13-15, 2018, 2018, pp 317
Abstract

The objective was to evaluate the individual and combined effect of anovulation and cytological endometritis (CTE) on the reproductive performance of dairy cows. A total of 1,569 cows from 3 data sets were used. In data set 1, 403 Holstein cows from 5 dairies in New York were used. In data set 2,...

Author(s)
Vieira Neto, A.; Gilbert, R. O.; Butler, W. R.; Santos, J. E. P.; Ribeiro, E. S.; Vercouteren, M. M.; Bruno, R. G.; Bittar, J. H. J.; Galvão, K. N.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 9, pp 5415-5425
Abstract

The objectives of the current experiment were to evaluate the reproductive performance and economic outcome of 3 synchronization strategies for first artificial insemination (AI) of dairy heifers. Holstein heifers from 2 herds (site A, California, n=415; site B, Idaho, n=425) were assigned to 1 of...

Author(s)
Lopes, G., Jr.; Johnson, C. R.; Mendonça, L. G. D.; Silva, P. R. B.; Moraes, J. G. N.; Ahmadzadeh, A.; Dalton, J. C.; Chebel, R. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 3, pp 1612-1622
Abstract

Normande (NO) × Holstein (HO) crossbred cows (n=251), Montbéliarde (MO) × HO crossbred cows (n=503), and Scandinavian Red (SR) × HO crossbred cows (n=321) were compared with pure HO cows (n=416) for fertility, somatic cell score (SCS), and 305-d projected milk, fat, and protein production during...

Author(s)
Heins, B. J.; Hansen, L. B.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 2, pp 918-924
Abstract

Objectives were to evaluate 3 resynchronization protocols for lactating dairy cows. At 32±3 d after pre-enrollment artificial insemination (AI; study d -7), 1 wk before pregnancy diagnosis, cows from 2 farms were enrolled and randomly assigned to 1 of 3 resynchronization protocols after balancing...

Author(s)
Dewey, S. T.; Mendonça, L. G. D.; Lopes, G., Jr.; Rivera, F. A.; Guagnini, F.; Chebel, R. C.; Bilby, T. R.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 9, pp 4086-4095
Abstract

This study compared the calving to conception intervals for cows in AI pens with cows exposed to natural service sires, controlling for milk production, mastitis occurrence, parity and calving month effects. Records from 10 western United States dairy herds (mean herd size=2058 cows) were evaluated ...

Author(s)
Overton, M. W.; Sischo, W. M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2005, 64, 3, pp 603-613
Abstract

ALLEN, A. D., and LASLEY, J. F. Influence of season of birth on growth rate and survival of pigs: 955. ALMQUIST, J. O., HALE, E. B., and SAACKS, R. G. Effect of frequency of ejaculation on the semen production and sexual activity of young dairy bulls: 1014-1015. BELL, M. C., MURPHREE, R. L., and...

Citation
Journal of Animal Science, 1954, 13, pp 955-1036
Abstract

A development in connexion with departmental reorganization was the establishment of an Agricultural Research Administration in which the Bureau of Animal Industry was grouped with other bureaux having related interests [see V. B. 13. 344, abst. 2307], Active support of the nation's wartime...

Author(s)
MOHLER, J. R.
Publisher
Washington, D.C. : Superintendent of Documents.,
Citation
United States Department of Agriculture, Agricultural Research Administration. Report of the Chief of the Bureau of Animal Industry, 1942., 1942, pp 46 pp.

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