【摘要】 BM Y牛通过20余年的选育,表现出良好的生产性能,根据毛色的表型性状分为3个品系;初生、6、12、18和24月龄体重灰毛系分别为32.25、178.45、252.10、335.26和403.83 kg,黑毛系分别为31.71、176.80、251.89、337.68和404.52kg,红毛系分别为31.36、174.77、246.72、335.46和400.55 kg。更多还原

【Abstract】 There were 3 breeds of BMY cattle because of the color and it was more than 20 years study and selection by Yunnan Beef Cattle & Pasture Research Center and the performance very good growth ability.The body weight(BW) of grey ones at birth,6,12,18 and 24 months were 32.25178.45252.10335.26和403.83 kg,the black ones were 31.71176.80251.89337.68和404.52 kg,the yellow ones were 31.36174.77246.72335.46和400.55 kg.更多还原