一、加强池塘的清淤消毒工作池塘淤积是限制鱼产量的主要因素之一,也是引发鱼类疾病的重要原因。因淤泥中存在许多寄生虫和致病微生物,在水质环境恶化时,易大量滋生蔓延,导致鱼类疾病的暴发和流行。特别是养殖多年的老鱼塘、死水塘、漏水塘和塘底淤泥过厚的池塘要利用寒冬空闲 First, to strengthen the pond dredging disinfection pond deposition is one of the main factors limiting fish production, but also lead to fish disease is an important reason. Due to the presence of many parasite and pathogenic microorganisms in the sludge, it is easy to multiply and spread when the water quality and environment deteriorate, resulting in the outbreak and prevalence of fish diseases. Especially old fish ponds that have been cultivated for many years, ponds that have dead ponds, leaking ponds and thick ponds at the pond bottom should make use of winter cold