【作者】 敦伟涛； 陈晓勇； 孙洪新； 田树军； 邢艳蕊； 房国芳；

【Author】 DUN Weitao~1,CHEN Xiaoyong~1,SUN Hongxin~1,TIAN Shujun~2,XING Yan-rai~1,FANG Guo-fang~1 (1 Academy of Animal Husbandry and Veterinary Medicine of Hebei Province,Baoding 071000,China; 2 College of Animal Science and Technology,Agricultural University of Hebei Province,Baoding 071001,China)

【机构】 河北省畜牧兽医研究所； 河北农业大学动物科技学院；

【摘要】 利用肉用绵羊与小尾寒羊杂交,杂交后代之间进行横交,分析统计了三种杂交方式及其后代的发情、分娩及繁殖率方面的数据,目的是观察不同杂交方式后代繁殖规律及性能,结果表明小尾寒羊与杜泊、德克赛尔杂交后,随着小尾寒羊含血量的减少,横交后代母羊繁殖规律呈现明显的季节性,繁殖率下降。更多还原

【Abstract】 The data of oestrus,childbirth and reproduction rate were analyzed through three hybrid modes that meat sheep hybridized with Small tail han sheep,and mating between hybrid offsprings.The purpose was to observe the reproduction regular pattern of offsprings from different hybrid modes.The results indicated that there were evident seasonal phenomenon in reproduction,the reproduction rate declined of offspring ewes from hybrid with the blood proportion of Small tail han sheep decrease.更多还原