肯尼亚萨希瓦尔牛及其杂交品种在大型奶牛场中的生产力比较，作者：Muhuyu, William B
原名:A comparison of the productivity of Kenya Sahiwal cattle and their crossbreds in large scale dairy by Muhuyu, William B 作品简介:大型乳制品生产系统包括艾尔郡 - 萨希瓦尔牛...
原名:A comparison of the productivity of Kenya Sahiwal cattle and their crossbreds in large scale dairy by Muhuyu, William B 作品简介:大型乳制品生产系统包括艾尔郡 - 萨希瓦尔牛...