Correlation Analysis between UCP2 Gene and Growth Traits in Ningxia Hibrid Simmental Cattle |
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Authors: | JIANG Qiu-fei LUO Xiao-yu HONG Long LI Xin FENG Yuan WU Liang HAN Li-yun GU Ya-ling |
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Affiliation: | 1. School of Agriculture, Ningxia University, Yinchuan 750021, China;2. Animal Husbandry Extension Station, Yinchuan 750001, China;3. Faculty of Agricultural Sciences, Yinchuan 750001, China |
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Abstract: | To find genotype with fast growth rates in Ningxia hibrid Simmental cattle,the genetic variation of UCP2 gene were detected by PCR-SSCP method and DNA sequencing,then analyzed UCP2 gene polymorphism related with some growth traits.The results showed that there were three SNPs (T632C,A655G and A689C) in UCP2 gene exon 1,which divided into AA,BB and AB genotypes by PCR-SSCP method.Individuals with different genotypes in different months of age,body weight,body height, chest circumference and body length were AA > AB > BB.AA genotype in different age of body height and chest circumference were significantly different than BB genotype (P < 0.05;P < 0.01),and were no significant difference with AB genotype (P > 0.05).The results demonstrated that T632C locus had significant meaning for improving weight trait breeding of Ningxia hibrid Simmental cattle,AA genotype could be the breeding genotype. |
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Keywords: | UCP2 gene hibrid Simmental cattle polymorphism growth traits |
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