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Improving Effects of Different Beef Breeds on Local Yellow Cattle in Qinghai Plateau
Author(s): ZHAO Kai, JIN Yi-chao, XUE Bai
Pages: 60-
63
Year: 2006
Issue:
5
Journal: ACTA ECOLOGAE ANIMALIS DOMASTICI
Keyword: 青海高原; 肉牛; 杂交一代; 青海黄牛; 生长发育;
Abstract: 在青海高原环境下,用引进的良种肉牛蓝白花、利木赞、西门塔尔和皮尔蒙特改良当地黄牛.结果显示:四个杂交组合F1代不同年龄的生长速度和体尺指标均明显优于青海黄牛(P<0.01),说明用良种肉牛改良青海黄牛效果明显;在不同杂交后代的比较中,皮×黄F1代各年龄段体重均高于蓝×黄F1、利×黄F1和西×黄F1(P<0.01),皮×黄F1代还保留了青海黄牛抗逆性强,耐粗饲等优良特性,杂交组合较为理想;皮尔蒙特牛可作为当前高原环境下改良青海黄牛的理想父本品种使用.
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