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《Heilongjiang Animal Science and Veterinary Medicine》 2015-20
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Effects of dietary protein levels on productive performance of lambs

WANG Zhi-you;HOU Sheng-zhen;LEI You-xin;College of Agriculture and Animal Husbandry,Qinghai University;  
To study the effects of dietary protein levels on productive performance of lambs,90 fifty- day- old hybrid lambs of Dorset sheep and Tibetan sheep were selected and randomly divided into 3 groups,which were fed there kinds of diets with the same energy and different protein levels of 10. 80%,12. 84% and 14. 97%,respectively. This test period lasted for 120 d. The results showed that the daily weight gain of lambs highly significantly increased( P 0. 01) with the increase of dietary protein levels,while the feed utilization efficiency and economic benefits also increased. There were no significant differences( P 0. 05) in serum total protein,albumin and globulin of lambs when dietary protein levels were 10. 80%,12. 84% and 14. 97%.
【Fund】: 农业科技成果转化资金项目(2012GB2G20047)
【CateGory Index】: S826.5
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