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中文摘要：
60d的精料补饲试验结果表明，补饲精料对减少藏羊冷季掉膘有明显作用。2岁藏羊试验组比对照组每只少减重了2．6kg，两组藏羊活重之间存在显著差异（P〈0.05）。同时，冷季补饲对藏羊在夏季草场体重恢复有着一定的帮助。通过计算得出投产比为1：1．66，说明补饲精料足该区域增加藏羊冷季营养供给，减少掉膘，提高生产效葺墨的有效途径之一。
英文摘要：
The experimental studying showed in 60 days that supplement concetrate feed can play great role in decreasing losing body weight of Tibetan sheep in cold season. Tibetan sheeps aged 2 years old as experimental groups, comparing with control group,it is 2.6kg less than control group in decreasing body weight,There is significant difference between in alive body weight { P 〈 0.05 ）. Supplementa~ feeding in cold season can help help restoration of body wcight in summer pastur. The ratio of input and output is 1 ： 1.6,6, the supplement concentrate is effective way in providing nutrition,decreasing losing body weight of Tibetan sheeps in cold season in Guinan of Qinghai Province.
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