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一般来说,7、8、9三个月气温高,水温适宜,是鱼类活动、摄食、生长的旺季,同时又是病害多发期。鱼产量及经济效益的高低与鱼病有直接关系,现将几种常见病防治方法简述如下。一、水霉病症状:此病由于霉菌产生大量酵素分解鱼体组织,使鱼体受到刺激,分泌大量黏液,病鱼在水中焦躁不
In general, 7,8,9 three months of high temperature, water temperature is appropriate, is the fish activity, feeding, growth season, but also disease prone period. Fish production and the level of economic benefits and fish diseases are directly related to the prevention and treatment of several common diseases are summarized below. First, the water mildew symptoms: the disease due to mold a large number of enzymes to decompose fish tissue, so that the fish are stimulated, secrete a large number of mucus, sick fish in the water irritable