美国瑞士褐牛在塔城地区舍饲条件下的适应性研究

Study on Adaptability of America Switzerland Brown Cattle under the Barn Feeding Conditions in Tacheng Region

[目的]通过对美国瑞士褐牛在塔城地区舍饲条件下适应性的研究,为新类型的培育提供科学依据。[方法]对美国瑞士褐牛犊牛和母牛进行为期三年的饲养观察,对其生长情况、泌乳、繁殖性能、耐粗饲、耐热抗寒性能及疾病项目进行测定及统计分析。[结果]在舍饲条件下,初生重平均为35.23 kg,6月龄平均日增重为719.81 g;12月龄平均日增重为724.16 g,生长发育良好。平均繁殖成活率为81.72%;一胎平均泌乳量为3 561 kg,二胎平均泌乳量为4 267 kg,三胎平均泌乳量为4 579 kg。[结论]美国瑞士褐牛在塔城地区舍饲饲养条件下其生长发育良好,表现出了良好的适应性。

【Objective】 Through the study on adaptability of America Switzerland Brown cattle under the barn feeding conditions,it could provide scientific basis for growing new species.【Method】 Based on the 3 years＇ observation,the growth,lactation,reproductive performance,the ability of resist heat and cold,and the disease of America Switzerland Brown cattle were measured and statistically analyzed.【Result】The result indicated that under the barn feeding conditions,all cattle grew and developed well with the birth weigh of 35.23 kg,the average daily gain of 719.81g and 724.16 g at 6 month age and 12 month age,respectively.The average reproductive survival rate was 81.72%.And the average milk yield was 3 561kg,4 267 kg and 4 579 kg at the first three lactations,respectively.However,high percentage of foot disease and mastitis were noted in the experiment.【Conclusion】The growth and development of America Switzerland Brown cattle were well under the barn feeding conditions in Tacheng,and the Adaptability were well too.