meat guano

例句：

1. 1.The chickens are fed with meat guano to promote growth.
   鸡用肉粉喂养以促进生长。
2. 2. The farmers use animal manure as a source of fertilizer for their crops.
   农民使用动物粪便作为农作物的肥料来源。
3. 3. Meat guano is a valuable resource that can be used to boost soil fertility.
   肉粉是一种宝贵的资源，可以用来提高土壤肥力。