摘要
试验对当年4月龄羔羊采用全舍饲、放牧加补饲和全放牧3种方式进行育肥。结果显示:全舍饲育肥羔羊比对照组每只活重高19.29kg、胴体重高13.69kg、屠宰率高12.25个百分点、经济效益高52.80元;放牧加补饲育肥羔羊比对照组每只活重高6.99kg、胴体重高5.61kg、屠宰率高7.80个百分点、经济效益高36.00元。
This trial was performed to study the effect of three rearing condition of confined house, pasture supplementation and pasture only on the fattening performance of 4-month lambs, and the results showed that, the live weight of lambs have increased of 19.29kg in confined house than those lambs only in pasture, the carcass weight increased of 13.69kg, the slaughter rate increased of 12.25%,and the net profit increased of 52.80 Yuan;the live weight of lambs have increased of 6.99kg in pasture supplementation condition than those lambs only in pasture, and the carcass weight increased of 5.61 kg, the slaughter rate increased of 7.80%, and the net profit increased of 36 Yuan.
关键词
育肥
羔羊
高寒牧区
fattening performance
lamb
Qinghai-Tibet plateau pasture
