豫北黄牛及其杂交改良牛的生长发育研究

Growth and Development of Yellow Cattle and Their Crossbred Progeny in North of Henan Province

通过测定分析了西利本杂交牛、利本 F1杂交牛和豫北黄牛的初生～ 2 4月龄体尺、体重指标 ,结果表明 ,西利本三元杂交牛生长发育快 ,各月龄体尺、体重显著大于豫北黄牛 ,比利本 F1也有显著提高。

The body weight and body size parameters of the three breed crossbred progeny of Simmental and Limousin and local yellow cattle, crossbred F 1 of Lmousin and local yellow cattle and local yellow cattle from birth to 24 months old were measured and analyzed. Results showed that three breed crossbred progeny had a higher growth rate and their body sizes and body weights were significantly larger than those of local yellow cattle and crossbred F 1 of Limosin and local yellow.