feed composition

例句：

1. 1.The composition of the feed is crucial for the growth of the livestock.
   饲料的成分对家畜的生长至关重要。
2. 2. The research on the feed composition has significant implications for animal health.
   关于饲料成分的研究对于动物健康具有重要意义。
3. 3. The composition of the feed affects the nutrient content and thus the performance of the animals.
   饲料成分影响营养成分，从而影响动物的表现。