畜禽处于自然食物链的顶端,并与人类处于相同的环境条件下,危害人类的环境污染物,绝大部分也能危害畜禽鱼。由于生物富集作用及所处环境比人类更差,畜禽体内有害物质的积累和对其生长发育的影响更甚。随着人民生活水准提高,对畜禽产品的 Livestock and poultry are at the top of the natural food chain and are at the same environmental conditions as human beings. The environmental pollutants endangering human beings and most of them can endanger livestock and poultry. Due to the role of bio-enrichment and the environment is worse than humans, the accumulation of harmful substances in livestock and poultry and its growth and development even more affected. With the improvement of people’s living standards, the products of livestock and poultry