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Abstract

The study was carried on 68 ewes of local Awassi sheep in the Al-Kafeel sheep station Karbala governorate, Iraq for the period from 1/10/2017 to 1/8/2018. Genetic analysis was carried out in the molecular genetics laboratory at the College of Agriculture / Basrah University in order to extract (DNA) and determine the genotype  of the IGF-1(Insulin-like growth factor 1) and GH (Growth Hormone) genes. This study aimed to know the association between the genotype of the ewes of IGF-1 and GH  genes and their relationship to the productive traits of the lambs, which included the weights of lambs from birth to weaning and body measurements, Three of the  genotypes for IGF-1 were revealed AG, GC, CC and two for GH CT, TC . The effect of IGF-1 genotypes was significant (P<0.05) on weights of lambs at weaning, age  6 months and some body measurements with superior genotype GC. The genotypes of  GH had a significant effect on the weight of the lambs at birth by CT superiority. While the weights of weaning, six months and body measurements were not significantly affected by different genotypes.

Keywords

Sheep Polymorphism IGF-1 GH Body Weight Body Measurements

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How to Cite
Al Qasimi, R. H. ., Hassan, A. F. ., & Khudair, B. Y. . (2019). Effect of IGF-1 and GH Genes Polymorphism on Weights and Body Measurements of Awassi Lambs in Different Ages. Basrah Journal of Agricultural Sciences, 32(1), 39–46. https://doi.org/10.37077/25200860.2019.125
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