论文部分内容阅读
车轮虫病(病鱼:鲤科鱼类、虹鳟,香鱼、鳗鲡、其它鱼类)。症状:表皮细胞和粘液细胞被害,分泌大量粘液。鳞松弛,体表也有出现赤斑的情况。发生和预防:由数种车轮虫属的纤毛虫寄生引起,和一种寄生于虹鳟的纤毛虫同样,多见于当年鱼的皮肤和鳃。治疗:1.5—2.5％食盐水浸洗30—50分钟,重复二天。五千分之一醋酸溶液浸洗30—50分钟。盐酸奎宁浸洗(参照淡水白点病项)。四千分之一福尔马林液浸洗30分钟。80万分之一碱性孔雀石绿液浸洗90分钟。鱼池也洗洒同样浓度。
Diseases of carps (diseased fish: carps, rainbow trout, sweetfish, eel, other fish). Symptoms: Epidermal cells and mucus cells are killed and a lot of mucus is secreted. Scale relaxation, body surface also have red spots. Occurrence and Prevention: Caused by the parasites of several species of caterpillar of the genus Roth and similar to the ciliates parasitized in rainbow trout, common in fish skin and gills. Treatment: 1.5-2.5% saline for 30-50 minutes, repeated two days. One-fifth of an acetic acid solution for 30-50 minutes. Quinine hydrochloride dipping (see freshwater white point disease). Four thousandths of formalin solution for 30 minutes. 800,000 malachite green liquor dip for 90 minutes. Fish ponds are also sprinkled with the same concentration.