马胃蝇蛆病流行病学研究进展

马胃蝇蛆病是由马胃蝇幼虫寄生于马属动物胃肠道内所引起的一种慢性消耗性寄生虫病，导致宿主高度贫血、消瘦、中毒，严重时衰竭死亡。该病呈世界性分布，不同国家因地理位置、气候环境不同及是否广泛使用驱虫药，呈现出不同的流行规律。在中国主要流行于东北、西北及内蒙古等地，流行6种马胃蝇，以肠胃蝇、红尾胃蝇为优势虫种。文章主要对近些年国内外马胃蝇蛆病感染情况进行描述，总结流行规律，提出研究方向，以期为该病的防制提供参考。

Research Progress on Prevalence of Horse Gastric Myiasis

Horse gastric myiasis is a chronic wasting parasitosis caused by larvae of Gasterophilus spp. parasitics on the gastrointestinal tract of the equids. Horse gastric myiasis leads to host highly anaemic, angular, poisoning even death. This disease is distributes all over the world, each country has a slightly different epidemic law, because of different geographical position and climatic environment, and whether using insect repellent or not. Our country is mainly popular in the Northeast, Northwest and Inner Mongolia, which of 6 kinds of popular horse Gastrophilus, and the dominant species are G. intestinalis and G. nasalis. In this paper,the author described the infections of horse gastric myiasis at home and abroad in recent years, summarized epidemic law and put forward the research direction, so as to provide reference for the disease prevention and control.