对31头新生荷斯坦犊牛胃进行了观测。
Stomachs morphology of 31 heads of Holstein newborn calves were observed.
对新生荷斯坦犊牛心脏右心室结构进行了观测。
The structure of ventriculus dexter was observed in Holstan newborn calf.
采用非配对试验设计,对荷斯坦犊牛进行了新型饲养模式的研究。
The research on the new type of feeding pattern of Holstein calves by means of unequal paired feeding trial was studied.
为合理有效的利用我国荷斯坦犊牛资源,本文进行了乳用犊牛培育和肉用犊牛生产两方面的研究。
Study on breeding of dairy calves and production of meat calves was studied to use the source of Holstein calves in our country effectively.
为合理有效的利用我国荷斯坦犊牛资源,本文进行了乳用犊牛培育和肉用犊牛生产两方面的研究。
Study on breeding of dairy calves and production of meat calves was studied to use the source of Holstein calves in our country effectively.
应用推荐