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黄鳝是一种食用和药用价值都很高的经济鱼类,在国内外市场上十分畅销,也是我国出口创汇率较高的水产养殖名优品种。由于环境的改变,密度的增大,各种应激因素的增多,黄鳝经常发生疾病,给养殖者造成了较大经济损失。本人总结了近几年在黄鳝养殖过程中遇到的几种常见病与防治技术简介如下,供养殖者参考。一、生态性常见疾病1.痉挛症(1)病因与症状:该病是目前对黄鳝人工养殖威胁最大的病害。主要表
Eel is a kind of economic fish with high edible and medicinal value. It is very popular in the domestic and foreign markets and is also a famous aquaculture species with a high foreign exchange rate of export in China. Due to the change of environment, the increase of density and the increase of all kinds of stress factors, eel frequently causes diseases and causes great economic losses to farmers. I summed up in recent years in the eel breeding process encountered several common diseases and prevention and treatment of technical briefings are as follows, for the farmer reference. First, the ecological common diseases 1. Spasticity (1) causes and symptoms: the disease is currently the largest threat to the artificial breeding of eel disease. Main table