庄浪县安格斯肉牛冻配改良效果分析

Analysis on the Improvement Effect of Frozen Semen Breeding of Angus Beef Cattle in Zhuanglang County

摘要:

经试验测定,安杂犊牛初生重32.25 kg，3月龄重121.15 kg, 6月龄重183.75 kg，12月龄重247.46 kg, 24月龄重402.93 kg，分别较其它品种牛同期体重增长20.34 %、141.33 %、90.16 %、26.07 %和41.38 %，差异极显著（P＜0.01）。全县累计推广安格斯冻配改良4307头，受胎3928头，爱胎率91.2 %。

Abstract:

In this test, the birth weight of Angus hybrid calves was 32.25 kg, 121.15 kg at 3 months, 183.75 kg at 6 months, 247.46 kg at 12 months, and 402.93 kg at 24 months, respectively, compared with other breeds of cattle in the same period. An increase of 20.34%, 141.33%, 90.16%, 26.07% and 41.38%, the difference was extremely significant (P < 0.01). A total of 4,307 Angus beef cattle had been promoted in the county for breeding with frozen semen, and 3,928 of them have been conceived, with a conception rate of 91.2%.