However. In many areas the disposal of animal manure has become a critical problem, especially from feedlots and dairies.
然而，在许多区域中，动物粪肥的处理已经变得一个紧要关头的问题，尤其从饲育场和乳酪农场。
2
The expanded production of meat has been facilitated by industrial feedlots, which bleed antibiotics and other noxious chemicals.
工业化养殖场通过喂养抗生素和其它有毒的化学药品，使得肉食扩大生产更为容易。
3
The main production profit margin of medium-sized (100 ~ 499 head) feedlot was 18.02%, and highest among different scale feedlots. The management level of large-scale feedlots must be improved.