团头鲂因具有饲料蛋白需求较低,养殖成本较低,易获得高产,养殖效益较高等优点,现已成为天津地区淡水养殖的主要品种之一。近年来随着养殖产量的不断提高,病害也越来越严重,给养殖者造成的经济损失呈上升趋势。笔者在从事团头鲂养殖过程中,对天津地区池塘养殖团头鲂常见的疾病及防治方法进行了总结,供大家参考。一、细菌性疾病1.细菌性出血病病原体:主要是嗜水气单胞菌。主要症状:病鱼的上下颌、鳃盖、眼底、鳍基部、鱼体两侧充血,肛门红肿,腹部膨大,剖开 Due to the low demand for feed protein, lower breeding cost, high yield and high breeding efficiency, Triticella is now one of the main varieties of freshwater aquaculture in Tianjin. In recent years, with the continuous improvement of aquaculture production, the diseases are more and more serious, and the economic losses to the farmers are on the rise. In the process of breeder breeding, the author summed up the common diseases and prevention methods of pond tuna in Tianjin area for your reference. First, the bacterial disease 1. Bacterial hemorrhagic disease pathogens: mainly Aeromonas hydrophila. The main symptoms: diseased fish jaw, gill, fundus, fin base, fish on both sides of congestion, anal swelling, abdominal enlargement, cut open