增加精料饲喂量对黑黄、西黄二代杂种母牛产奶量的影响

Effect of Increasing Concentrative Feed on Milk Yield of Hybrid CowF_2 of Holstein-Yellow and Simmental-Yellow

在现有的饲养管理条件下增加精料饲喂量,可显著提高黑黄、西黄二代杂种母牛产奶量。

The milk yield of hybrid cow F2 of Holstein - Yellow and Simmental - Yellow was significantly increased using increasing concentrative feed amount under the condition of modem feeding and management.