Just as described in "The Yorkshire's Twilight," in their own best interest farmers would traditionally make sure that their animals 'basic ecological and biological needs were satisfied.
正如〈約克夏的黃昏〉文中所描述，傳統農村為了最大的「收益」，一定會滿足動物基本生態、生理功能，讓動物活得快活。