Among six populations in this paper, Feeds conversion of Simmental is the best ,The second is Hereford and Angus,, and Luxi cattle is the worst;

• 在本实验的六个品种中,西门塔尔在饲料转化方面是最优秀的,其次,是海福特、安格斯,最差的是鲁西黄牛;