牦牛Q-Tc和Q-Tr值的探讨  

Studies on Q Tc and Q Tr Values of Yak

作　　者：张才骏[1] 

机构地区：[1]青海畜牧兽医学院

出　　处：《青海畜牧兽医杂志》1997年第4期6-7,共2页Chinese Qinghai Journal of Animal and Veterinary Sciences

摘　　要：对７６头牦牛的Ｑ－Ｔｃ和Ｑ－Ｔｒ值研究表明，牦牛的Ｑ－Ｔｃ值具有年龄差异，成年牦牛、２岁牦牛和１～３月龄牦牛的Ｑ－Ｔｃ值（ｓ）分别为０．３１２，０．３２７和０．３４５。成年牦牛和２岁牦牛的Ｋ常数应定为０．３２ｓ，１～３月龄牦牛应定为０．３４（或０．３５）ｓ。The results of reseach on the Q Tc and Q Tr values of 76 yaks showed that there was a difference between the Q Tc values in variant age groups of yak .The Q Tc values in the adult yaks, the yaks two year old and the calves 1～3 month old were 0.312,0.327 and 0.345 seconds,respectively.The K constant established in adult and two year old yaks was 0.32 seconds and was 0.34 or 0.35 seconds in 1～3 month old calves.

关 键 词：牦牛 Q-T间期 Q-TC Q-Tr K常数 

分 类 号：S823.85[农业科学—畜牧学] S856.2[农业科学—畜牧兽医]