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玉米是一种重要的粮食作物之一。本世纪五十年代后,由于畜牧业的发展,玉米做为饲料的比重大大增加。目前全世界生产的玉米约有70～75%做饲料,10～18%做为工业、医药原料,15%做为食粮。我国的玉米总产量居世界第二,发展前景可观。目前国内外综合利用玉米的途径是: 一、玉米是优质饲料玉米营养价值和消化率高于大麦、燕麦、高粱。适时收获的玉米茎叶和果穗是奶牛的优
Corn is one of the important food crops. After the fifties of this century, due to the development of animal husbandry, the proportion of corn as feed increased greatly. At present, about 70-75% of the corn produced in the world is used as feed, 10-18% is used as industrial and medical raw materials and 15% is used as food. China’s corn output ranks second in the world, and its development prospect is considerable. At present, the comprehensive utilization of corn at home and abroad is: First, corn is a good quality feed Corn nutritional value and digestibility higher than barley, oats, sorghum. Timely harvest of corn stems and ears of cows is excellent