选择60只3～4岁体重相近、产羔期相近、健康状况良好的带羔中卫山羊泌乳母羊,随机分为A、B两组,每组30只,经过5个月的饲养,结果表明,两组羔羊在各月龄的平均体重差异均不显著（P〉0.05）。%60 3-4 years old Zhongwei goat ewes in milk with lambs which had similar body weight, similar lambing period and good health were randomly divided into two groups of A and B, with 30 goats in each group. Results showed that there was no significant difference in the average weight of each month old lamb between A and B groups after five months of feeding.
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