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KMID : 1025520140560010034
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Journal of Animal Science and Technology
2014 Volume.56 No. 1 p.34 ~ p.34
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Population genetic structure analysis and effect of inbreeding on body weights at different ages in Iranian Mehraban sheep
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Yavarifard Roya
Hossein-Zadeh Navid Ghavi
Shadparvar Abdol Ahad
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Abstract
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The objective of this study was to describe the population structure and inbreeding, and to quantify their effects on weights at different ages of Mehraban sheep in Iran. The analysis was based on the pedigree information of 26990 animals and 10278 body weight records from birth to yearling age. Data and pedigree information were collected during 1994 to 2011 by the breeding station of Mehraban sheep. The population structure was analyzed using the CFC program. Inbreeding of all animals was calculated by INBUPGF90 program. All animals were grouped into three classes according to their inbreeding coefficients: the first class included non-inbred animals (F=0); and the second and third classes included inbred animals (0
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KEYWORD
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Fat-tailed sheep, Growth traits, Inbreeding depression, Mating program, Pedigree analysis
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