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2014•China Animal Husbandry & Veterinary MedicineRequires access

Heritability Estimates and Non-genetic Factors Analysis of Birth Weight of Chinese Merino Sheep(Xinjiang Type)

Xin-Min Xu

Open publisher page 1 citations

Abstract

The article estimate the heritability and analysis the influence of non-genetic factors on birth weight of the number of 2125Chinese Merino sheep(Xinjiang type)by using SAS 8.1program of least-squares analysis and MTDFREML software,the data collected from Nanshan sheep breeding farm.The results showed that the birth weight heritability of Chinese Merino sheep was 0.30,it belonged to the moderate heritability(0.1h20.3).The maternal age,year of birth,lambing type and group were highly significantly effect on birth weight(P0.01),but the gender was no significantly effect on birth weight(P0.05).

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What this paper is about

The article estimate the heritability and analysis the influence of non-genetic factors on birth weight of the number of 2125Chinese Merino sheep(Xinjiang type)by using SAS 8.1program of least-squares analysis and MTDFREML software,the data collected from Nanshan sheep breeding farm.The results showed that the birth weight heritability of Chinese Merino sheep was 0.30,it belonged to the moderate heritability(0.1h20.3).The maternal age,year of birth,lambing type and group were highly significantly effect on birth weight(P0.01),but the gender was no significantly effect on birth weight(P0.05).

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Available abstract

The article estimate the heritability and analysis the influence of non-genetic factors on birth weight of the number of 2125Chinese Merino sheep(Xinjiang type)by using SAS 8.1program of least-squares analysis and MTDFREML software,the data collected from Nanshan sheep breeding farm.The results showed that the birth weight heritability of Chinese Merino sheep was 0.30,it belonged to the moderate heritability(0.1h20.3).The maternal age,year of birth,lambing type and group were highly significantly effect on birth weight(P0.01),but the gender was no significantly effect on birth weight(P0.05).

Key concepts: Heritability, Domestic sheep reproduction, Biology, Birth weight, Animal science, Body weight, Veterinary medicine, Demography

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Heritability Estimates and Non-genetic Factors Analysis of Birth Weight of Chinese Merino Sheep(Xinjiang Type) — Research Paper | ScholarLens