摘要
通过对21头产后9个月未孕母牛进行催奶处理,结果表明:母牛平均产奶量由处理前的(9.66±2.58)kg/d增加到处理后的(12.0±3.7)kg/d,平均每头增加2.43 kg/d,检查(P<0.05)差异显著;处理后奶牛的受胎率为71％。
Dealing with 21 cows which have not been pregnant for nine months from the latest breeding to promote milk shows that there is 2.34 kg/d milk production increase from (9.66 ± 2.58)kg/d to (12.0±3.7) kg/d(P< 0.05) and 71 percent pregnant rate.
