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Correlated responses in production traits selected according to certain biochemical and phenotypical traits in white Leghorn | ||
| Al-Anbar Journal of Veterinary Sciences | ||
| Article 1, Volume 2, Issue 2, 2009, Pages 1-8 PDF (156.47 K) | ||
| Author | ||
| A. A. Abbas | ||
| Abstract | ||
| This study was depended on collected data from 24 sires, 129 dam at 20 wks as a parents stock and 336 of progeny, that was conducted at the Poultry Farm / Animal Resources Department, College of Agriculture, Baghdad University, and during the period from 15/10/2004 until 30/9/2005. The aim of this study was to estimate indirect selection response in production traits according to certain biochemical and phenotypical traits. Results showed increase in the means of daughters production traits as a result of indirect selection according to dam biochemical traits and comb size in sires. results achieves correlated response in production traits especially in egg production , egg mass and first egg weight. The outcome of this study indicates that using biochemical and comb size traits in parent generation achieved some genetic response, that assists of genetic improvement by direct selection programs according to production traits. | ||
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