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Animal Science Database

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Abstract

The objective was to evaluate the reproductive performance of frozen sex-sorted sperm at 4×106 sperm per dose (SexedULTRA 4 M, Sexing Technologies, Navasota, TX) relative to frozen conventional sperm in seasonal-calving pasture-based dairy cows. Semen from Holstein-Friesian (n=8) and Jersey (n=2)...

Author(s)
Maicas, C.; Holden, S. A.; Drake, E.; Cromie, A. R.; Lonergan, P.; Butler, S. T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 1, pp 929-939
Abstract

The objective of this study was to investigate whether health, survival, and performance of dairy heifers from birth through first lactation are associated with parity and health status of their dams. Holstein heifers (n=1,811) derived from artificial insemination were categorized as (1) daughters...

Author(s)
Carvalho, M. R.; Aboujaoude, C.; Peñagaricano, F.; Santos, J. E. P.; Devries, T. J.; McBride, B. W.; Ribeiro, E. S.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 1, pp 823-839
Abstract

The objective of this study was to determine the effects of prepartum negative dietary cation-anion difference diet (DCAD) fed at two dietary Ca inclusion rates on postpartum uterine health and ovulation dynamics of multiparous Holstein cows (n=76). Treatments began at 28 days before expected...

Author(s)
Ryan, K. T.; Guadagnin, A. R.; Glosson, K. M.; Bascom, S. S.; Rowson, A. D.; Steelman, A. J.; Cardoso, F. C.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 142, pp 338-347
Abstract

The objective of this study was to determine the association of beta-carotene concentration in plasma at the moment of artificial insemination (AI) on pregnancy/AI in lactating Holstein cows. A total of 399 events from 364 lactating Holstein cows were enrolled in the trial (143 primiparous and 221...

Author(s)
Madureira, A. M. L.; Pohler, K. G.; Guida, T. G.; Wagner, S. E.; Cerri, R. L. A.; Vasconcelos, J. L. M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 142, pp 216-221
Abstract

Karan Fries is an Indian composite breed of cattle with superior milk production with a greater disease resistance than many other cattle. Understanding of the basic sperm and semen characteristics is necessary to develop the artificial insemination and sperm sexing methods. This study was...

Author(s)
Yata, V. K.; Gangwar, D. K.; Vishal Sharma; Dubey, S. K.; Yadav, S. K.; Suman Choudhary; Sudarshan Kumar; Mohanty, T. K.; Mohanty, A. K.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2020, 212, pp 106250
Abstract

The aim of this research was to evaluate the effect of recombinant bovine somatotropin (bST) on pregnancy per artificial insemination (P/AI), cellular composition of the corpus luteum (CL) and endometrial gland morphometry. In Experiment 1, Nelore cows (n=587) received a fixed-time artificial ...

Author(s)
Costa, N. P.; Gonella-Diaza, A.; Pugliesi, G.; Maldonado, M. B. C.; Scollari, S. C.; Mello, B. P.; Feltrin, I.; Girotto, R.; Castilho, C.; Membrive, C. M. B.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 141, pp 180-185
Abstract

We hypothesized that a shortened version of a modified Ovsynch program (OVS: GnRH-1 -7 d-PGF-1 -24 h-PGF-2 -32 h-GnRH-2 -16 h-AI) that excluded GnRH-1 to resynchronize ovulation in cows bearing a corpus luteum (CL) after a non-pregnancy diagnosis (NPD) or including progesterone supplementation...

Author(s)
Sauls-Hiesterman, J. A.; Voelz, B. E.; Stevenson, J. S.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 141, pp 105-112
Abstract

The objective of this experiment was to evaluate effects of extended-release eprinomectin on fescue toxicosis and impacts on performance and reproduction in fall-calving beef cows. Fall-calving Angus × Simmental multiparous cows [n=335; age=5.8±2.1 yr; 586.5±6.0 kg body weight (BW); 5.48±0.05 body...

Author(s)
Volk, M. J.; Krause, T. R.; Stokes, R. S.; Ireland, F. A.; Shike, D. W.
Publisher
Oxford University Press, Oxford, UK
Citation
Translational Animal Science, 2019, 3, 4, pp 1423-1434
Abstract

This paper examines ex-ante impacts of two policy interventions that improve productivity of local-breed cows through artificial insemination (AI) and producers' access to distant markets through a dairy market hub. The majority of cattle in Kilosa district in Tanzania are local low productivity...

Author(s)
Dizyee, K.; Baker, D.; Omore, A.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2019, 86, 4, pp 440-449
Abstract

Dairy bulls are evaluated using progeny data and genomic testing to determine the quantity of specific traits that they will pass to their daughters. Some bulls excel in some traits but not others. Specifying these various traits as outputs, with the single input of insemination, technical,...

Author(s)
Whitt, C. E.; Tauer, L. W.; Huson, H.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2019, 14, 11, pp e0223436

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