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首页> 外文期刊>Italian journal of animal science >The effect of MC4R polymorphism on carcass composition and meat quality traits in pigs slaughter at different live weights
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The effect of MC4R polymorphism on carcass composition and meat quality traits in pigs slaughter at different live weights

机译：MC4R基因多态性对不同活重猪屠宰后car体组成和肉质性状的影响

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摘要

Commercial crossbred pigs slaughtered at different live weights were used to investigate the effect of G1426A polymorphism in the melanocortin-4 receptor (MC4R) gene on carcass composition and meat quality traits. The significant effect of G/A substitution on backfat thickness (BF; P<0.01) was observed in pigs slaughtered at high live weight (123.0+/-6.5kg), but not in pigs slaughtered at low live weight (99.1+/-3.7kg). That was accompanied by tendency of decrease (P<0.10) in estimated lean meat percentage (LMP). The BF was higher and LMP was lower in AA compared to GG genotype (P<0.01). Meat quality traits were not affected by MC4R genotype. These results suggest that GG genotype could be favourable in pigs slaughtered at higher live weights due to lower BF and higher LMP.
机译：使用以不同活重宰杀的商品杂交猪来研究melanocortin-4受体（MC4R）基因G1426A多态性对car体组成和肉质性状的影响。在高活重（123.0 +/- 6.5kg）屠宰的猪中观察到G / A替代对背脂厚度（BF; P <0.01）的显着影响，而在低活重（99.1 +/-）屠宰的猪中没有观察到3.7公斤）。随之而来的是瘦肉百分比（LMP）估计下降的趋势（P <0.10）。与GG基因型相比，AA的BF更高，LMP更低（P <0.01）。肉质性状不受MC4R基因型的影响。这些结果表明，由于较高的BF和较低的LMP，在活重较高的屠宰猪中，GG基因型可能是有利的。

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