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罗非鱼是一种生长速度快、适应性强、性成熟早的热带鱼类,在养殖上具有饲养期短、周转快的特点,已成为我区主要养殖的经济鱼类。近年来,随着高密度精养在生产中的应用,罗非鱼也出现多种疾病,其中突眼病(因其突眼症状而被当地渔民称为突眼病)危害最大,直接影响经济效益。笔者根
Tilapia is a kind of tropical fish with fast growth, strong adaptability and early sexual maturity. It has the characteristics of short feeding period and fast turnover in breeding. It has become the main type of economic fish cultured in our region. In recent years, with the application of high-density intensive cultivation in production, many diseases have emerged in tilapia, of which the outbreak of ophthalmopathy (referred to as exophthalmopathy by the local fishermen due to its exophthalmia symptoms) is most harmful and has a direct economic impact. I root