deep-litter
美 
英 
- un.厚褥草;厚垫草
 - 网络厚裖垫;厚垫草法;深粪法
 
adj.  | 1. using a thick layer of straw or other natural material for farm animals, especially poultry, to move about in 2. from or produced by animals raised in deep-litter conditions  | 
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