牛皮蝇病是一种慢性寄生虫病,由牛皮蝇和蚊皮蝇的幼虫寄生于牛背部皮下组织引起。本病在我国西北、东北和我省(尤其是晋南)都有发生,常使一半以上的牛受害。患牛长期痛苦、喷鼻、踢蹴、乱跑、消瘦,奶牛患病还会影响产奶量。幼虫寄生处,牛肉失去食用价值,牛皮穿孔,质量降低。一、病原体1.特征牛皮蝇和蚊皮蝇属皮蝇科皮蝇属,它们的幼虫群众称为牛蛴螬蝴虫,成虫 Cowpea is a chronic parasitic disease caused by larvae of the leatherfly and mosquito fly parasitized in the back of the cow. The disease in our country’s northwest, northeast and province (especially Jinnan) have occurred, often more than half of the cattle victims. Suffering from long-term pain in cattle, nasal spray, kicking, running around, weight loss, cows affected will affect milk production. Parasites larvae, loss of edible value of beef, leather perforation, reduce the quality. First, the pathogens 1. Characteristics of leather flies and mosquito flies Pigeon skin flies genus, their larvae masses known as bovine moths, adults