feed additive

• 饲料添加剂

feed additive的用法和样例：

例句

1. The green additive was added in test group hens, while the control group was not.
   试验组添加蛋鸡用复合绿色饲料添加剂，对照组不添加。
2. Roxarsone is one of the animal feed additives that uses extensively at home and abroad recently.
   洛克沙胂是目前国内外广泛使用的饲料添加剂之一。