一、饲料的选用所配制的饲料应根据鸡群不同的生长时期，对能量、蛋白质等营养成分进行不同的配比。配方中各种养分原料的选用应利用计算机来筛选出最低成本的配方，制成后的饲料既要适口性好、营养全面，又要价格低廉。对于不同日龄鸡群，应选择不同形状饲料，颗粒料和破... First, the choice of feed The formulated feed should be based on flocks of different growth stages, the energy, protein and other nutrients for different ratio. The formulation of various nutrients used in raw materials should be selected by computer to filter out the lowest cost formula, made of the feed should not only palatability, nutrition is comprehensive, but also low prices. For different days of flocks, should choose different shapes of feed, pellets and broken ...