The Optimal Stocking Rates on Grazing System in Inner Mongolia SteppeⅠ.Based on Analysis of Liveweight Gain per Animal and Hectare and Benefit Grazing Experiment for Sustainable Management of Grassland Ecosystem of Inner Mongolia Steppe:Experimental Design and the Effects of Stocking Rates on Grassland Production and Animal Liveweight Studies on Productivities For Dairy Cows Under Different Grazing System and Grazing Intensity─2.Effect of Grazing on milk yields and weight gain Herbage Intake and Milk Performance of Dairy Cows Under Different Grazing Systems and Intensities in Agro-pastoral Transitional Zone of North China Study on Optimal Grazing Intensity Based on the Secondary Productivity of Alpine Grassland Grazing System Daily Weight Gain of Hulun Buir Short Tail Sheep in Response to Greenhouse Precision Feeding after Weaning in Inner Mongolia Effect of supplemental acrylate to diet on digestion and metabolism of sheep Feeding Effects of Dietary Combinations on Growing Ewe and Benefit Comparison Effects of Grazing Intensity on Forage Productivity and Sheep Performance at Pasture in South China