可提高饲料转化率（Feed Conservation Rate，FCR）5--15%。其二，补充畜禽（猪鸡等）内源酶的不足。
基于8个网页-相关网页
feed conservation rate
饲料保存率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The killing follows warnings last year from conservation groups that elephants were being slaughtered in Africa at an alarming rate to feed demand for ivory from increasingly affluent Asian countries, particularly China and Thailand.
CNN: SHARE THIS
应用推荐
模块上移
模块下移
不移动