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果洛地区初生和1岁牦犊牛生长发育规律研究
Study on Law of Grourh and Development of Newborn and Yearling Yaks in GouLou Region
【摘要】 对果洛地区 1岁和当年生犊牛各 7头 ,跟踪测定体重 1年 ,结果 :当年生犊牛体重呈平稳上升趋势 ,一年内增重44 .61kg ,1岁犊牛夏秋季生长较快 ,春季补偿生长迅速 ,冬季体重有所下降 ,一年内增重 42 .0 6kg。
【Abstract】 newborn and 7 yearling yak calves in Goulou region were selected to earmark and measur the body weight in a year.The results wewe as follows:The body weight of newborn yak calves increased by an average of 44.61kg in a year;yearling yak calves had rapid growth during the summer to autumn.The componsatory growth was rapid in spring and the body weight slightly lost in winter.The net weight gain of yearling yak calves were averaged 42.06kg in a year.
- 【文献出处】 青海畜牧兽医杂志 ,Chinese Qhinghai Journal of Animal and Veterinary Sciences , 编辑部邮箱 ,2001年05期
- 【分类号】S823.85
- 【被引频次】13
- 【下载频次】53