新池鱼畸形病的发生与防治在新挖的鱼池，经常发现一些鱼的身体呈“Ｓ”型弯曲的畸形病，尾部粗短，鳃盖凹凸不平，上下腭不齐，鱼鳍畸形，发生此病的原因是新开鱼池中含重金属盐类过多导致中毒。老鱼池中的土壤重金属盐类大都溶解了，一般不发此病。畸形病的鱼，食量减少... Occurrence and prevention of new pond fish deformity In the newly dug fish ponds, often found some fish body was “S” curved malformations, the tail is stubby, operculum uneven, upper and lower palate missing, the occurrence of deformed fins The reason for the disease is that the newly-opened fish pond contains too much heavy metal salts and causes poisoning. Most of the old fish pond soil heavy metal salts are dissolved, the general does not send the disease. Teratosis of fish, reduce appetite ...