Effects of grazing intensities on foraging behaviors of goats on a cultivated pasture of southern China An investigation of nutrition components and types in Tibet main crop straws and pastures Comprehensive assessment and diagnosis of the health of animal husbandry ecosystems in north China pastures Evaluation on carbon sequestration effects of artificial alfalfa pastures in the Loess Plateau area Evaluation of Associate Effects of Supplementary Herbage,Concentrate Feed and Native Pastures of Qinghai Plateau Using In Vitro Gas Production Technique Relationships between grasses and legumes in mixed grassland: a review