bull

Grassland types and their vertical distribution on the Datong Cattle Farm in Qinghai, China;

青海大通种牛场草地类型及其垂直分布的调查研究

The study of structure characteristic and biomass of bush-land in Datong cattle farm of Qinghai province;

青海大通种牛场灌丛草地植物群落结构特征及植物量的调查研究

Investigation of grassland resource was carried out in Datong cattle farm in Aug.

为了摸清青海省大通种牛场草地和牲畜资源 ,2 0 0 1年 8月对该场草地资源做了详细调查 ,结果表明 ,全场土地总面积 5 5 8。

The Effect of polyethers ionophore Additive on Gain of Wether Lamband crossbred Holsteins bull;

聚醚类离子载体添加剂对绵羊和荷斯坦杂种牛增重的影响