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Abstract

The technology available to assess sperm population characteristics has advanced greatly in recent years. Large artificial insemination (AI) organizations that sell bovine semen utilize many of these technologies not only for novel research purposes, but also to make decisions regarding whether to...

Author(s)
Harstine, B. R.; Utt, M. D.; DeJarnette, J. M.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2018, 12, s1, pp s63-s74
Abstract

Breeding of dairy cattle is undergoing a paradigm shift to genomic selection of potential sires and dams. This undoubtedly will affect how bulls are managed in an artificial insemination (AI) center and impact methods to estimate their 'fertility'. Our goal is to help decision-makers understand the ...

Author(s)
Amann, R. P.; DeJarnette, J. M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2012, 77, 5, pp 795-817
Abstract

The objective of this study was to compare fixed-time AI pregnancy rate in Angus crossbred beef cows inseminated with frozen-thawed or fresh-extended semen. Two ejaculates from each of two Angus bulls were collected by artificial vagina and pooled for each bull. The pooled semen from each bull was...

Author(s)
Bucher, A.; Kasimanickam, R.; Hall, J. B.; DeJarnette, J. M.; Whittier, W. D.; Kähn, W.; Xu, Z.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2009, 71, 7, pp 1180-1185