Excess nitrogen and phosphorus nutrients due to large quantities of feed imports, can lead to problems with manuredisposal and pose a potential pollution risk.
大量的饲料进口产生过多的氮磷营养物，将导致粪便处理的问题，并构成潜在的污染风险。
2
Of course, such intensive operations cause other problems as well, notably the disposal of large amounts of manure.
当然，这种密集的饲养方式同样会有一些问题，如需处理大量的肥料。
3
However. In many areas the disposal of animal manure has become a critical problem, especially from feedlots and dairies.