通过更佳的膳食和对排泄物的利用使对动物的管理更有效率，对其也是很有帮助。

Improving animal management (with better diets and use of manure), would also help.

youdao

通过更佳的膳食和对排泄物的利用使对动物的管理更有效率，对其也是很有帮助。

Improving animal management (with better diets and use of manure), would also help.

youdao