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近几年,各地河蟹“抖抖病”发病频繁,而且很难治愈,常造成河蟹大量死亡,顽强生存下来的也因错过最佳生长期而规格偏小,使养蟹户亏损。近几年,我们在分析发病原因的基础上,加强了防治的宣传和指导工作,河蟹“抖抖病”发病死亡率有了明显的下降,取得了明显效果。一、症状河蟹发生“抖
In recent years, crabs around the world have become more frequent and difficult to cure. They often cause crabs to die in large numbers. Due to their lack of specifications, they have also suffered losses due to their lack of optimal growth period. In recent years, on the basis of analyzing the causes of the disease, we have stepped up publicity and guidance on prevention and treatment. The incidence of death from crabs and shaking diseases has been significantly reduced, and remarkable results have been achieved. First, the symptoms crab occurred "shaking