Pigs are very clean animals and choose to defecate in an area separate to their feeding area 猪是非常干净的动物，它们会分的很明确吃食的地方和其它的地方。
2.
The only way currently available to reduce social stress among indoor group - housed sows is to provide individual feeding areas and even then behavioral problems are common 目前，我们要减少它们之间的压力的就是给每头母猪单独提供进食的空间，上面那些互咬动作，不是大问题，是很常见的行为。
