用“dairy cattle”造句大全，dairy cattle造句

At present, since there is no effective vaccine which can prevent the cow mastitis, dairy cattle farmers in China are more helpless when confronted with the intractable mastitis.

And, according to researchers at Iowa state University, the state's refineries already churn out more than five times as much of the stuff as its small stock of dairy cattle can eat.

The object of this paper is to make a research on the use of red-yellow soil resources for the development of the dairy cattle industry.

It is understood that the imports of dairy cattle for next year, the Shanghai World Expo will provide high-quality preparation of milk collection.

The model used was the sire model containing herd-year-season(HYS) effect(fixed), sire group effect(fixed)and sire effect(random), which is widely used in dairy cattle breeding.

Like dairy cattle, most modern beef cattle originally came from England.