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Multivariate genetic analysis on body weight traits in Ghezel sheep

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Author(s): Hasan Baneh | Mohammad Rokouei | Farhad Ghafouri-Kesbi | Ayoob Veysi | Shahram Niknafs

Journal: Songklanakarin Journal of Science and Technology
ISSN 0125-3395

Volume: 35;
Issue: 2;
Start page: 131;
Date: 2013;
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Keywords: Ghezel sheep | growth traits | heritability | genetic | phenotypic correlation

ABSTRACT
The present study was carried out to estimate the genetic and phenotypic parameters for growth traits in Ghezel sheep,using pedigree information and body weight records which collected from 2000 to 2009 at Ghezel Sheep Breeding Station.Traits of interest were birth weight (BW, n=2,073), weaning weight (WW, n=1,663) and six-month old weight (6MW, n=1,315).The environmental factors were studied using GLM procedure in SAS software. (Co) variance components estimated basedon multivariate animal model by REML method, using DMU-package. All traits were significantly influenced by birth year,lamb’s sex, type of birth and dam age (p

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