欧拉羊杂交改良甘加羊效果分析

Crossbred effect in F1 between Ganjia and Oula Type Tibet Sheep of Gannan

在相同的自然条件下,欧杂（欧拉羊×甘加羊）F1初生重、0～180日龄平均日增重公羔为4.56 kg和138.11 g/d,母羔为4.28 kg和125.72 g/d,均显著高于甘加型藏羊的相应指标,差异极显著（P〈0.01）。3、6、18月龄欧杂F1的体重增加明显,差异极显著（P〈0.01）;体高、体长、胸围均高于甘加羊,差异显著（P〈0.05）。

Under the same natural conditions,as far as F1 between Oula and Ganjia Type Tibet Sheep of Gannan was concerned, birth weight and average daily gain of male and female lambs were 4.56 kg, 138.11 g/d and 4. 28 kg, 125.72 g/d respectively from 0 to 180 days old, these index were above corresponding ones in Ganjia Type Tibet Sheep of Gannan very significantly（p〈0.01） ;the body weight was above ones of Ganjia Type Tibet Sheep of Gannan, there was very significant difference （p〈0.01） ; body height, body length and heart girth of F1 were significantly higher ones of Ganjia Type Tibet Sheep of Gannan （p〈0.05）.