1997年间，作者对自由放牧条件下放牧于沙地草地的蒙古牛和蒙古羊的选择性采食进行了观察研究。
Selective grazing of the native cattle and sheep in Inner Mongolia under the continuous grazing system during May and December 19% and 1997 was studied.
作者研究了14例羊（绵羊11例，山羊3例）的试验性北萱草根中毒。
Experimental toxicosis of the root was carried out on 14 animals (11 sheep and 3 goats) by the authors.
作者研究了14例羊（绵羊11例，山羊3例）的试验性北萱草根中毒。
Experimental toxicosis of the root was carried out on 14 animals (11 sheep and 3 goats) by the authors.
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