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Quantitative Histology Studies on the Test in Hybrid Bull of Wild and Domestic Yak
引用本文:阎萍,Lu Zhonglin,Pan Heping,Zi Dejuan. Quantitative Histology Studies on the Test in Hybrid Bull of Wild and Domestic Yak[J]. 中国草食动物, 2005, 0(Z2): 205-206
作者姓名:阎萍  Lu Zhonglin  Pan Heping  Zi Dejuan
作者单位:Yan Ping(Lanzhou Institute of Animal Science, CAAS, 730050, Lanzhou, Gansu, P R China) Lu Zhonglin(Lanzhou Institute of Animal Science, CAAS, 730050, Lanzhou, Gansu, P R China) Pan Heping(Lanzhou Institute of Animal Science, CAAS, 730050, Lanzhou, Gansu, P R China) Zi Dejuan(Lanzhou Institute of Animal Science, CAAS, 730050, Lanzhou, Gansu, P R China)
摘    要:



Quantitative Histology Studies on the Test in Hybrid Bull of Wild and Domestic Yak
Yan Ping,Lu Zhonglin,Pan Heping,Zi Dejuan. Quantitative Histology Studies on the Test in Hybrid Bull of Wild and Domestic Yak[J]. China Herbivores, 2005, 0(Z2): 205-206
Authors:Yan Ping  Lu Zhonglin  Pan Heping  Zi Dejuan
Abstract:
The testicular tissue of three types of yak bull (1/2 wild yak,cross 1/2 wild yak and domestic yak) were studied quantitatively at 6,12,18 and 24 months old. The results showed that the average values changed from breed to breed at the same age. But there were no significant difference. The volume density and the height of seminiferous tubule and epithelium increased with the age and testicular weight. The capacity rate of the testicular seminiferous tubule in three types were 78.71% ,75.78% and 78.58% respectively, which nearly reached the level of mature bull.
Keywords:1/2 wild yak   yak   testicular tissue   sterology
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