【摘要】 规模化养猪场由于规模大,集约化程度高而有利于提高生猪的饲养技术,从而增加经济效益;但同时由于猪粪尿过度集中和冲洗水大量增加,也会对周围环境造成严重污染。为此本文以规模化养猪场为例,采用物质循环利用型生态工程及健康和能源型综合系统两种饲养模式,可使养猪场周围生态环境得到良好的保护并能提高人们的健康和营养水平。更多还原

【Abstract】 A large-scale pig gery is very intensive .It can improve the raising technology thus increasing profits. But a great deal of manure and polluted water is drained, which can also pollute environment seriously. So the paper takes large-scale pig gery for example. It adopts material cycling and utilizable ecological engineering system and health and energy comprehensive system. It can protect the ecological environment and also improve the level of health and nutrition.更多还原