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Effect of Supplement Feeding in Winter on Body Weight of Crossbred Lambs in Hebei Northwest Plateau Area
Author(s): SUN Maohong, ZUO Guilong, ZUO Haiyi, YUE Chunwang
Pages: 37-
39
Year: 2006
Issue:
5
Journal: CHINESE JOURNAL OF ANIMAL SCIENCE
Keyword: 畜牧学; 母羊补饲; 羔羊体重;
Abstract: 试验旨在研究冀西北高寒半干旱区,经济杂交母本不同营养水平对羔羊增重的影响.结果表明:70%营养组与160%营养组羔羊初生体重差异显著(P<0.05);哺乳30 d时,70%营养组与130%营养组、160%营养组羔羊体重差异显著(P<0.05),100%营养组与160%营养组羔羊体重差异显著(P<0.05);哺乳60 d时,100%营养组与130%营养组、160%营养组羔羊体重差异极显著(P<0.01).说明不同的营养水平直接反映在羔羊的增重差距上,建议在该地区,冬季繁殖母羊在怀孕后期(产前30 d)和产后60 d的哺乳期中,最佳的精料补喂量要达到130%的营养标准水平,羔羊增重较为理想.
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