A serial study of grazing ecology and digestibility and metabolism of sheep on alpine pasture Ⅲ The analysis of seasonal dynamics and the restrictive factors of the diet digestibility by grazing sheep;

A series of studies on ecology, nutrient digestion and metabolism of grazing sheep on alpine pastures:Ⅱ a new method for collecting urine of sheep during grazing;

The serial studies of ecological grazing and digestion and metabolism of sheep on alpine pasture Ⅰ The study of forage preference index of grazing sheep;

Effects of Different Fattening Methods on Liveweight Gain of Grazing Tibetan Sheep in Alpine-cold Area in Warm Seasons;

Effect of the stimulant growth on digestion and absorption of grazing sheep;

Ecosystem control project was used to prevent oxytropis poisoning in 43 flocks of glaging sheep for 3 years,The preventive efficiency was obvious,The oxytropis poisoning in these flocks of sheep has been decreased year by year,lamb reproduction and survive rats has been increased year by year.