尿素颗粒饲料对绵羊增重的影响  

Effect of Urea Pellet on Growth of Tibetan Sheep

作　　者：余忠祥[1] 冯宇哲[1] 陈一耕[1] 柳柱天 

机构地区：[1]青海省畜牧兽医科学院,青海畜牧兽医学院畜牧系

出　　处：《青海畜牧兽医杂志》1996年第5期1-2,共2页Chinese Qinghai Journal of Animal and Veterinary Sciences

摘　　要：在由燕麦干草、油菜荚壳组成的基础饲料中，分别添加３００ｇ／头·日和４００ｇ／头·日的尿素颗粒饲料，对１４～１５月龄藏羊进行圈饲育肥。经４５天饲养，日增重分别为１４８ｇ和１６１．５６ｇ，比仅喂基础料时（８４．４４ｇ）分别提高７５．２６％和９１．３２％；饲料转化率分别提高２７．０９％和２７．９７％；每羊分别多盈利６．４４元和４．９７元。Tibetan sheep aged 14～15 monthes were used in a 45-day yard finishing trialto observe the effect of urea pellet supplemented with 300 and 400 g per animal per day in basaldiet composed of oat hay and oilseed shell on the growth of the animal.The results showed thatthe daily gain was increased by 75.36%and 91. 32%(148 and 161.56 g vs 84.44 g,fed basaldiet orily)individually,the feed efficiency was increased by 27.09%and 27.97%resp.theeconomic profit of each sheep increased by 6.44 and 4.97 RMB.

关 键 词：绵羊 尿素料 日增重 饲料转化率 经济效益 

分 类 号：S826.5[农业科学—畜牧学]