抗闽杂交黄牛F_1放牧饲养研究

Feeding on Pasture of Droughtmaster × Minnan(F 1)

为研究抗旱王改良闽南黄牛的杂种优势，在放牧和冬季补饲尿素氨化稻草条件下，抗闽杂交黄牛Ｆ１的３、１２、２４月龄体重分别比闽南黄牛提高３１．９６％，６．７６％，８．４３％。２４月龄屠宰体重比闽南黄牛高３６．５２ｋｇ，表现出明显的杂种优势。

Hybrid vigor of Minnan ox being crossed by Droughtmaster was study By grazing and winter supple mentation with urea ammoniated rice straw,Droughtmaster×Minnan(F 1)′s body weight aged 3,12,24 months was 31 96, 6 76, 8 42 percent respectively higher than that of Minnan The dressed weight aged 24 months was 36 52 kg heavier than that of Minnan,appearanced a clear hybrid vigor.