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彩红鲷抗病力强,在池塘养殖中很少发病,但是水质调控不好或鱼体经运输、捕捞擦伤,很容易在短期内引起大量死亡,要密切注意防治。常见的鱼病有如下几种: 一、水霉病 1.病因:由水霉菌引起。 2.症状:病鱼急躁不安,独游水面或浅滩,游动缓慢,体表有絮状水霉着生,皮肤黏液增多,鱼体消瘦衰弱而死。此病一般在水温18℃时最为流行,特别是鱼种下塘时易发生。
Red sea bream strong disease resistance, rarely in the pond disease, but poor water quality control or transport by the fish, fishing abrasions, it is easy to cause a large number of deaths in the short term, pay close attention to prevention and treatment. Common fish diseases are as follows: First, water mold disease 1. Cause: caused by water mold. 2. Symptoms: diseased fish restlessness, swimming alone or shallow water, swimming slowly, the body surface with a flocculent mildew, skin mucus increased, the body emaciated and died. The disease is generally the most popular at a water temperature of 18 ℃, especially when the species of ponds prone to happen.