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Estimate of phenotypic and genetic correlations between milk production and udder type traits in Iranian Holstein cows

Published online by Cambridge University Press:  23 November 2017

M Kavandi  and
M A Edriss
M Kavandi*
Affiliation:
Isfahan University of Technology, Isfahan, Iran
M A Edriss
Affiliation:
Isfahan University of Technology, Isfahan, Iran
*
Email: kavandi@ag.iut.ac.ir
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Extract

Correlation among type traits and milk production has been investigated by Meyer (1987), Brotherstone (1994) and Misztal et al (1992).One of the primary reasons for collecting and utilizing information on type traits is to aid breeders in selecting profitable functional cows for high production and suitable herd life. The objectives of this study were to estimate phenotypic and genetic correlations among milk production and udder type traits.

Type
Poster presentations
Information
Proceedings of the British Society of Animal Science , Volume 2006 , March 2006 , pp. 81
Copyright
Copyright © 2016 The American Society of International Law

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References

Brotherstone, S. 1994. Genetic and phenotypic relations between linear type traits and production traits in Holstein-Frisian dairy cattle. Animal production 59:183-187.Google Scholar
Meyer, K., Brtherston, S., Hill, W. G. and Edward, M. R. 1987. Inheritance of linear type traits in dairy cattle and correlations with milk production. Animal production 44: 1-10.Google Scholar
Meyer, K. 1997. DFREML user notes, version 3.10, Proceeding of 5 th World Congress on Genetics, Animal Breeding and livestock production. Armidale, Australia.Google Scholar
Misztal, I., Lawler, T. J., Short, T. H. and Van Raden, P. M. 1992. Multiple trait estimation of variance components of yield and type traits using an animal model. Journal of Dairy Science 75: 544-551.CrossRefGoogle Scholar