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当前位置: 首页 > 文章 > 荷斯坦母牛生长激素受体基因F279Y突变与产奶性状的关联分析 安徽农业大学学报 2015,42 (4) 515-519
Position: Home > Articles > Association between F279Y mutation of growth hormone receptor gene and milk production traits in Holstein cows Journal of Anhui Agricultural University 2015,42 (4) 515-519

荷斯坦母牛生长激素受体基因F279Y突变与产奶性状的关联分析

作  者：
郭晓飞;徐小兵;李秋玲;冯涛;狄冉;刘秋月;胡文萍;王翔宇;安永福
单  位：
河北省畜牧兽医研究所;廊坊师范学院生命科学学院;中国农业科学院北京畜牧兽医研究所;北京市农林科学院畜牧兽医研究所
关键词：
荷斯坦母牛;生长激素受体基因;F279Y突变;产奶性状
摘  要：
采用PIRA-PCR和RFLP法检测204头中国荷斯坦母牛生长激素受体(growth hormone receptor,GHR)基因F279Y突变,并分析其与产奶性状的关系。结果在中国荷斯坦母牛中检测到GHR基因F279Y突变,3种基因型TT、TA和AA的频率分别为0.461、0.495和0.044,等位基因T和A的频率分别为0.708和0.292。分析表明,AA基因型个体305天产奶量显著高于TA和TT基因型(P<0.05);TT基因型个体乳脂率显著高于AA基因型个体(P<0.05),乳蛋白率极显著高于TA和AA基因型个体(P<0.01)。A等位基因对305天产奶量有正加性效应,显性度相对较高;而对其他4个乳成分性状有负加性效应,显性度相对较低。等位基因A具有提高产奶量的效应,等位基因T具有提高乳成分的效应。本研究初步表明F279Y突变可以用于中国荷斯坦牛产奶性状的标记辅助选择。
译  名：
Association between F279Y mutation of growth hormone receptor gene and milk production traits in Holstein cows
作  者：
GUO Xiaofei;XU Xiaobing;LI Qiuling;FENG Tao;DI Ran;LIU Qiuyue;HU Wenping;WANG Xiangyu;AN Yongfu;CHU Mingxing;Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences;Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences;College of Life Sciences, Langfang Teachers University;Hebei Animal Science and Veterinary Medicine Institute;
关键词：
Holstein cows;;GHR gene;;F279Y mutation;;milk production traits
摘  要：
The F279 Y mutation of the GHR gene was detected in 204 Chinese Holstein cows using primer-introduced restriction analysis-polymerase chain reaction(PIRA-PCR) and restriction fragment length polymorphism(RFLP). The F279 Y mutation and three genotypes were identified in Chinese Holstein cows. Genotype frequency of TT, TA and AA was 0.461, 0.495 and 0.044, respectively. Allele frequency of T and A was 0.708 and 0.292, respectively. The relationship between the F279 Y mutation and milk production traits in Holstein cows was analyzed using linear least squares model. Least squares mean of 305-day milk yield in individuals with AA genotype was significantly higher than that with TA(P<0.05) or TT(P<0.05). Least squares mean of fat percentage in individuals with TT genotype was significantly higher than that with AA(P<0.05). Least squares mean of protein percentage in individuals with TT genotype was significantly higher than that with TA(P<0.01) or AA(P<0.01). Allele A had a positive additive effect on 305-day milk yield with a higher dominance and had a negative additive effect on other four milk composition traits with a lower dominance. A is the dominant allele for milk yield, while T is the dominant allele for milk composition. These results preliminarily indicated that the F279 Y mutation of the GHR gene could be used in molecular marker-assisted selection programs of milk production traits in Holstein cows.

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