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黄岩市新桥镇养猪专业户郑庆方,大力种植美国俄勒岗黑麦草,以草代料,降低养猪饲料成本,获得良好的经济效益。1988年至1991年共售出肥猪221头,纯种繁殖金华猪7胎,提供纯种小母猪36头,净收入23800元。共中以草代料,节约精饲料费达4185元,占净收入的17.58%。郑庆方除坚持自繁自养良种猪,注重环境卫生
Xinqiao Town, Huangyan pig Zheng Zhengfang professional households, vigorously planting the United States Oregon ryegrass, to grass substitutes, reduce pig feed costs, access to good economic benefits. From 1988 to 1991, a total of 221 fat pigs were sold, while purebred Jinhua pigs and 7 were born, providing 36 purebred gilts with a net income of 23,800 yuan. A total of grass in the material, the cost savings of refined feed 4185 yuan, accounting for 17.58% of net income. In addition to sticking to Zheng Qing Fang since breeding pigs, pay attention to environmental health