The countermeasures to control environmental contamination from animal faeces were introdnced.The necessity,technical way and method to develop environment-protective feeds were studied.

• 介绍了控制动物排泄物对环境污染的对策，指出了研究开发环保型饲料的必要性，并就环保型饲料研究开发的技术路线和方法进行了探讨。