利用植物显微技术镜检法和食道瘘管法对放牧绵羊采食的高山草原植物成分与嗜食性指数进行分析。
Esophagus fistula method and microscopic examination technique were used to analysis the botanical composition, and preference index of forage selected by grazing sheep on alpine pasture.
2002年春季在内蒙古科左后旗的天然草场上，采用跟群放牧全日观察法，定量研究了自然放牧状态下成年科尔沁牛牧食行为。
The grazing behavior of Kerqin cattle was studied with the whole day long eye observation method in the spring of 2002 at a natural pasture.
本文应用灰色系统理论中的灰色关联度分析法，对影响放牧绵羊生产性能的主要营养限制因素进行了研究。
In this paper, the grey system analysis were used to study the nutritional limitations affecting the productive performance of the grazing sheep.
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