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Animal Science Database

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Abstract

Efforts to understand biological functions and develop management schemes specific to Bos indicus-influenced cattle raised in tropical and subtropical environments are critical to meet the increasing global demand for protein. In the United States, B. indicus breeds are mostly used to generate B....

Author(s)
Cooke, R. F.; Cardoso, R. C.; Cerri, R. L. A.; Lamb, G. C.; Pohler, K. G.; Riley, D. G.; Vasconcelos, J. L. M.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2020, 98, 2,
Abstract

Using semen of genetically selected sires is a common practice in commercial dairy farms, however, there is a huge number of characteristics to consider, which complicates sire selection. This work aimed to (1) Determine underlying factors in genetic evaluation of dairy sires. (2) Classify sires on ...

Author(s)
Rodríguez-Campos, L. A.
Publisher
Editorial de la Universidad de Costa Rica, San José, Costa Rica
Citation
Nutrición Animal Tropical, 2019, 13, 2, pp 1-19
Abstract

Genetic selection of dairy cattle in the United States has included reproductive traits (daughter pregnancy rate, DPR; heifer conception rate, HCR), which is believed to have partly contributed to halting the decline in reproductive performance. The objectives of the current study were to evaluate...

Author(s)
Veronese, A.; Marques, O.; Moreira, R.; Belli, A. L.; Bisinotto, R. S.; Bilby, T. R.; Peñagaricano, F.; Chebel, R. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 7, pp 6624-6638
AbstractFull Text

In Kazakhstan, as in most developed countries, a transition to the breeding of Holstein and Holsteinized cattle is performed in dairy cattle breeding. It became possible due to the extensive use of imported livestock and seed from getters from different countries. Results of a scientific experiment ...

Author(s)
Babich, E. A.; Kikebayev, N. A.; Raketsky, V. A.; Baisakalov, A. A.
Publisher
Agri Bio Research Publishers, Hisar, India
Citation
Annals of Agri Bio Research, 2019, 24, 1, pp 134-138
Abstract

The objective of this experiment was to evaluate the impact of complexed trace mineral supplementation on ovum pick-up (OPU) and in vitro embryo production in lactating beef cows. Thirty days prior to fixed-time artificial insemination (FTAI; day -30), 68 postpartum cows were stratified by BW, BCS, ...

Author(s)
Dantas, F. G.; Reese, S. T.; Filho, R. V. O.; Carvalho, R. S.; Franco, G. A.; Abbott, C. R.; Payton, R. R.; Edwards, J. L.; Russell, J. R.; Smith, J. K.; Pohler, K. G.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2019, 97, 4, pp 1478-1490
Abstract

Up to the 18th century, the prevailing view of reproduction, or 'generation' as it was referred to, was that organisms develop from miniatures of themselves, termed preformation. The alternative theory, epigenesis, proposed that the structure of an animal emerges gradually from a relatively...

Author(s)
Lonergan, P.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2018, 12, s1, pp s4-s18
Abstract

Jersey cattle are the second most prominent breed in the United States and represent a growing portion of the dairy cow population in the United States. The objectives of our study were to determine the male lineages of Jersey sires with official genetic evaluations and to determine whether there...

Author(s)
Dechow, C. D.; Liu, W. S.; Idun, J. S.; Maness, B.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 3, pp 2281-2284
Abstract

The objective of this experiment was to evaluate the reproductive performance and herd exit dynamics of dairy cows managed for first service with programs varying in method of submission for insemination and voluntary waiting period (VWP) duration. Holstein cows from a commercial farm in New York...

Author(s)
Stangaferro, M. L.; Wijma, R.; Masello, M.; Giordano, J. O.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 2, pp 1673-1686
Abstract

This experiment evaluated the reproductive performance, herd exit dynamics, and lactation performance of dairy cows managed with a voluntary waiting period (VWP) of 60 or 88 d. Secondary objectives were evaluating VWP effect on cyclicity status, uterine health, systemic inflammation, and body...

Author(s)
Stangaferro, M. L.; Wijma, R.; Masello, M.; Thomas, M. J.; Giordano, J. O.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 1, pp 717-735
AbstractFull Text

The first U.S. dairy cattle genomic evaluation was released in April 2008. Since then, the number of animals genotyped per year has rapidly increased. The over 2 million genotypes currently stored, have increased by nearly 500,000 (90/10% ratio for female and male animals, respectively) added...

Author(s)
Nicolazzi, E. L.; Dürr, J. W.; Wiggans, G. R.
Publisher
Interbull Centre, Uppsala, Sweden
Citation
Interbull Bulletin, 2018, No.53, pp 54-56

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