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在畜牧业迅速发展的今天,如何控制和消除畜牧业带来的环境污染已成为畜牧业生产面临的重要课题。本文就饲料原料的选择、日粮配制、饲料添加剂的应用、饲养方式与饲料加工工艺的改进等一系列减少环境污染的营养调控措施作一介绍。随着人们环保意识的增强,畜牧业生产过程中产生的排泄物对环境的污染问题日益受到人们的重视。据报道,2000年全世界家畜数量有39亿头,每年排粪量近5亿吨,而鸡粪更高达460亿
In the rapid development of animal husbandry today, how to control and eliminate the environmental pollution caused by livestock husbandry has become an important issue facing the production of livestock husbandry. In this paper, a series of nutrition control measures to reduce environmental pollution are introduced, such as the choice of feed ingredients, the formulation of diets, the application of feed additives, the feeding methods and the improvement of feed processing technology. With the enhancement of people’s awareness of environmental protection, the pollution of excrement produced in the process of livestock husbandry has been paid more and more attention by people. It is reported that in 2000 the number of livestock in the world was 3.9 billion heads, and the annual discharge of feces was nearly 500 million tons while that of chicken manure was as high as 46 billion