Judy Felton-Taylor
Bovine sperm defects are affected by breed, age, season and region
Felton-Taylor, Judy; Prosser, Kelli A.; Hernandez-Medrano, Juan H.; Gentili, Sheridan; Copping, Katrina J.; Macrossan, Paula E.; Perry, Viv E.A.
Authors
Kelli A. Prosser
Juan H. Hernandez-Medrano
Sheridan Gentili
Katrina J. Copping
Paula E. Macrossan
Viv E.A. Perry
Abstract
This study reports the distribution of sperm morphology defects by breed, age, season and region of 11,387 bulls in 500 herds in Australia and near Pacific Islands during annual BBSE. Bull location was divided into 4 broad climatic regions based upon temperature, vegetation and climatic risk. Taking into account the impact of age, season, region, and breed there were differences between breeds in both percent morphologically normal sperm and in some individual categories of sperm abnormality (P < 0.001). Independent of breed, season and region, proximal droplets were significantly increased in bulls less than 20 months of age. This is the first study to comprehensively collect data from this wide geographical area and compare sperm morphology profiles among the Bos indicus and Bos taurus breeds. The findings of this study will act as a guide for veterinary practitioners and cattle breeders in the proportion of bulls that can be expected to pass the PNS test, by breed, age and region, based on a robust data set.
Citation
Felton-Taylor, J., Prosser, K. A., Hernandez-Medrano, J. H., Gentili, S., Copping, K. J., Macrossan, P. E., & Perry, V. E. (2020). Bovine sperm defects are affected by breed, age, season and region. Theriogenology, 142, 1-7. https://doi.org/10.1016/j.theriogenology.2019.09.001
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 2, 2019 |
Online Publication Date | Sep 5, 2019 |
Publication Date | Jan 15, 2020 |
Deposit Date | Sep 23, 2019 |
Publicly Available Date | Mar 29, 2024 |
Journal | Theriogenology |
Print ISSN | 0093-691X |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 142 |
Pages | 1-7 |
DOI | https://doi.org/10.1016/j.theriogenology.2019.09.001 |
Keywords | Food Animals; Animal Science and Zoology; Equine; Small Animals |
Public URL | https://nottingham-repository.worktribe.com/output/2647871 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S0093691X19303838 |
Files
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Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/
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