鱼类暴发性传染病,夏秋季各地鱼池多有发生,传染快,死亡率高。症状是病鱼体表两侧、头嘴、眼眶、肠道、内脏充血发炎。该病不易救治,采取预防的办法,可收到明显的效果。一、清塘消毒铲除池塘四周杂草,清除塘底过多淤泥。塘底暴晒数日后,灌水6～10厘米,每1/15公顷 Fish outbreaks of infectious diseases, fish ponds throughout the summer and autumn have occurred, infection is rapid, high mortality. Symptoms are sick fish on both sides of the body surface, head mouth, eyes, gut, visceral hyperemia inflammation. The disease is not easy to cure, take preventive measures, can receive significant results. First, clear pond disinfection Weeds around the pond, remove excess sludge pond. A few days after the end of the pond, irrigation 6 to 10 cm, each 1/15 hectare