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Relationships among udder type traits and milk yield of Iranian Holstein-Friesian cattle

Published online by Cambridge University Press:  20 November 2017

M. R. Sanjabi*
Affiliation:
Department of Animal Science, IROST, Tehran, Iran
M. G. Govindaiah
Affiliation:
Department of Animal Breeding, Genetics and Biostatistics, Vet. College, UAS, Blr, India
M. M. Moeini
Affiliation:
Department of Animal Science, Razi University, Kermanshah, Iran.
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Extract

Correlation among type traits and with milk production has been investigated by 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 with udder traits.

Type
Genetics
Copyright
Copyright © The British Society of Animal Science 2003

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References

Brotherstone, S. 1994. Genetic and phenotypic relations between linear type traits and production traits in Holstein-Friesian dairy cattle. Animal Production 59: 183187 CrossRefGoogle 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 Random, P. M. 1992. Multiple trait estimation of variance components of yield and type traits using an animal model. Journal of Dairy Science 75: 544551.CrossRefGoogle Scholar

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