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| Associations of Polymorphisms of IGF-IR, CAPN Ⅱand UCP 3 Genes in Nanyang Cattle with Its Growth Traits |
| 2, 2, 2, 2, 2 |
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Abstract Bovine insulin-like growth factorsⅠreceptor(IGF-IR), m-calpain(CAPN Ⅱ) and uncoupling protein 3(UCP 3) loci were evaluated for associations with growth traits in Nanyang population by PCR-RFLP. Only two individuals with genotype BB were detected at IGF-IR/TaqⅠloci, allele A at IGF-IR/TaqⅠlocus and allele B at CAPN Ⅱ/HhaⅠwere dominant in the studied population which were in Hardy-Weinberg equilibrium at IGF-IR/TaqⅠand CAPN Ⅱ/HhaⅠloci and in Hardy-Weinberg disequilibrium at UCP 3/BglⅠlocus. No statistically significant differences in growth traits were observed between the genotypes at IGF-IR/TaqⅠlocus. There were statistically significant differences between the genotypes at CAPN Ⅱ/HhaⅠlocus for growth traits of six-month individuals and for heart girth and body length of different growth stages (P<0.05 or P<0.01). UCP 3/BglⅠpolymorphism had significant effects on body weight, withers heights and body length of six-month animals, and withers heights, heart girth and body length of twenty-four-month individuals (P<0.05). Individuals with genotypes AB at CAPN Ⅱ/HhaⅠand UCP 3/BglⅠloci had best performance. Therefore, polymorphisms of CAPN Ⅱ/HhaⅠ and UCP 3/BglⅠcan be potential effective markers for early selection in the breeding process of Nanyang cattle.
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Received: 29 April 2009
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YANG Han, ZHANG Yang-Hai, WANG Min, KANG Yu-Xin, ZHU Hai-Jing, LAN Xian-Yong, QU Lei, YAN Hai-Long, PAN Chuan-Ying. Polymorphisms of 3'-UTR of POU1F1 Gene and Its Association with Growth Traits in Shaanbei White Cashmere Goats (Capra hircus)[J]. 农业生物技术学报, 2019, 27(7): 1224-1232. |
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