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Animal Science Papers and Reports

.: Home > Animal Science Papers and Reports > 2005 > Volume 23 Number 1 > Piotr Guliٌski, Krzysztof M³ynek, Zygmunt Litwiٌczuk, Ewa Dobrogowska

Heritabilities of and genetic and phenotypic correlations between condition score and production and conformation traits in Black-and-White cows

Piotr Guliٌski, Krzysztof M³ynek, Zygmunt Litwiٌczuk, Ewa Dobrogowska
Chair of Cattle Breeding and Milk Evaluation, University of Podlasie, B. Prusa 14, 08-110 Siedlce, Poland
Abstract :

The objectives of this study were to estimate the heritability (h2) of body condition score (BCS),
body conformation (type) and production traits of Black-and-White cows maintained by small
farmers of Eastern Poland as well as genetic (rG) and phenotypic (rP) correlations between the traits
mentioned. Considered were 2012 cows with completed 305-day lactation from the years 1997-1999. The h2 estimate for BCS was 0.37. Out of 26 condition and conformation traits considered, the rP of 17 and rG of 13 traits appeared negative. The rG values ranged from -0.30 (musculature) to 0.45 (udder).

Keywords :
body conformation / condition score / cows / heritability / production traits

Date Deposited : 09 Aug 2011 10:51

Last Modified : 09 Aug 2011 10:51

Official URL: http://www.ighz.edu.pl/

Volume 23, Number 1, - 2005

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