For years, those tests have found a small but persistent number of animals with drugresidues, mostly antibiotics, that violate legal limits.
数年来,通过检测发现每年都有一小批动物身上有药物残留,主要表现为抗生素,已超过法律许可的界限。
2
Since refusals of drugresidues fluctuate widely, a consistent and thorough inspection program is necessary.
因此必须通过一致的和彻底的检查程序来控制越来越广泛的因为药物残留导致被拒绝入境的事情的发生。
3
Breeding chicken with selenium feedstuff can effectively improve the ability to resist bacteria and virus while reduce veterinary drug dosage and pesticide residues in eggs.