加系和德系西门塔尔肉用种公牛生长发育观察

Observation of The Growth and Development of Canadian and Germany Simmental Bulls

中文关键词: 西门塔尔  加系  德系  体尺  体重  增速

英文关键词: Simmental  Canadian line  Germany line  Body size  Body weight  Growth rate  

中文摘要:

      [目的]为了解加系和德系西门塔尔肉用种公牛的生长情况.[方法]通过对加系和德系西门塔尔肉用种公牛不同年龄体尺、体重的测量.[结果]表明:加系都要高于德系;一岁期间加系明显高于德系,从一岁到两岁期间增速相近,两岁以后德系要明显高于加系.[结论] 不同时期加系和德系西门塔尔肉牛种公牛生长速度有明显差异.

英文摘要:

      To understand the growth and development regulation of Canadian and Germany Simmental Bulls,the body sizes and body weight were recorded.It showed that all parameters detected of Canadian Simmental Bulls were higher than those of Germany Simmental Bulls from birth to one year old and after two year old.Growth rate between one year old and two year old were almost same.These results showed that the growth of Canadian and Germany Simmental Bulls were obviously different from each other.