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Position: Home > Articles > Investigation on α_(s1)-Casein in Milk of Cattle in Qinghai Province by Electrophoresis Chinese Qinghai Journal of Animal and Veterinary Sciences 2000,30 (2) 3-6

青海牛乳中α_(s1)-酪蛋白的电泳研究

作  者:
张才骏;张海峰;邓生栋;才仁三德布
单  位:
青海大学!西宁,810016,青海大学!西宁,810016,青海大学农牧学院!2000届毕业生,德令哈市兽医站;青海大学
关键词:
牛;乳;α_(s1)-酪蛋白;α_(s1)CN~D等位基因;α_(s1)CN~E等位基因
摘  要:
对青海省 4个品种 56 0头牛乳中的αs1 酪蛋白进行了电泳研究。结果发现 :(1)青海牛乳中αs1 酪蛋白基因座受αs1 CNB,αs1 CNC,αs1 CND 和αs1 CNE4个等位基因的控制 ,有αs1 CNBB ,αs1 CNBC ,αs1 CNBD ,αs1 CNBE ,αs1 CNCC和αs1 CNCD 6种基因型 ;(2 )在青海东部黄牛中发现一种新等位基因αs1 CNE 和一种罕见等位基因αs1 CND ;(3)在αs1 CN基因座上 ,柴达木黄牛与青海东部黄牛之间有最近的亲缘关系 ,而杂种牛与黑白花牛的亲缘关系较近。
译  名:
Investigation on α_(s1)-Casein in Milk of Cattle in Qinghai Province by Electrophoresis
作  者:
ZHANG Cai Jun et al (Qinghai University,Xining,810003)
关键词:
Cattle,Milk,α_(s1)-Casein,α_(s1) CN~D allele,α_(s1)-CN~E allele
摘  要:
cattle of four breeds in Qinghai Province were used to investigate the α s1 casein in milk by electrophoresis.The results were as follows:(1)The polymorphism was controlled by four alleles including α s1 CN B,α s1 CN C,α s1 CN D and α s1 CN E and having six genotypes including α s1 CN BB,α s1 CNBC,α s1 CN BD,α s1 CN BE,α s1 CN CC and α s1 CN CD;(2)A new allele,or α s1 CN E,and a rare allele,or α s1 CN D,were discovered in the milk of Qinghai east yellow cattle;(3)There was the closest relationship between Chaidamu and Qinghai east yellow cattle and the closer relation ship between crossbred cattle and black white cattle.

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