Genetic variants affecting meat and milk production traits appear to have effects on reproduction traits in cattle

Collis, E., Fortes, M. R. S., Zhang, Y., Tier, B., Schutt, K., Barendse, W. and Hawken, R. (2012) Genetic variants affecting meat and milk production traits appear to have effects on reproduction traits in cattle. Animal Genetics, 43 4: 442-446. doi:10.1111/j.1365-2052.2011.02272.x


Author Collis, E.
Fortes, M. R. S.
Zhang, Y.
Tier, B.
Schutt, K.
Barendse, W.
Hawken, R.
Title Genetic variants affecting meat and milk production traits appear to have effects on reproduction traits in cattle
Journal name Animal Genetics   Check publisher's open access policy
ISSN 0268-9146
1365-2052
Publication date 2012-08
Sub-type Article (original research)
DOI 10.1111/j.1365-2052.2011.02272.x
Volume 43
Issue 4
Start page 442
End page 446
Total pages 5
Place of publication West Sussex, United Kingdom
Publisher Wiley-Blackwell Publishing
Collection year 2013
Language eng
Formatted abstract
Polymorphisms located in the genes ABCG2, DGAT1, LEP, PRLR, RORC, CAPN1 and CAST previously have been associated with milk or meat production traits. In this study, these polymorphisms were examined for significant effects on reproductive traits [age at puberty (AGECL), post-partum anoestrus interval (PPAI) and the ability ovulate prior to weaning (PW)] and on a panel of correlated traits such as weight, growth and serum concentration of insulin-like growth factor I. The effects of the polymorphisms were examined in two samples of tropically adapted beef cattle: Brahman (N = 932) and Tropical Composites (N = 1097). A polymorphism in the gene DGAT1 was associated with age at puberty in the combined sample (P = 0.042), and two polymorphisms in CAPN1 were associated with PPAI (P = 0.033) and with the ability ovulate PW (P = 0.017). The favourable allele for reproductive traits was not always the favourable allele associated with production traits. The effects of these polymorphisms on reproductive traits were small compared to their effects on the traits for which they were originally discovered
Keyword Beef cattle
Bos indicus
Capn1
Dgat1
Genetic markers
Reproduction
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Veterinary Science Publications
 
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