Sheep is the main breeding variety in the development of animal husbandry in Xinjiang, and parasitic disease is one of the most harmful diseases that affect the development of sheep industry. As a chronic and consumptive disease, parasitic disease in sheep prevails in pastoral areas, and the highest prevalence in adult sheep of grazing flock can be up to 100%. As the sheep feeding model switched from free grazing to stabling breeding, the types and dynamics of the pathogenic infections of sheep parasitic di...