1973年春,辽宁盘锦地区唐家鱼场花鲢亲鱼的生殖腺感染了粘孢子虫,精巢退化,没有繁殖出鱼苗。1974年从外地运来一些亲鱼,但没有把原有的病鱼彻底淘汰,又混养在一起,以致仅生产少量鱼苗。1975年病情又大发作,不仅雄鱼生殖腺退化,雌鱼生殖腺亦严重破坏,不得已全部淘汰。10月份我们赴现场把混养在其他亲鱼池中的花鲢,自 The spring of 1973, Panjin in Liaoning Panjiayu Tang fish market gonoporosis of the gonads infected with myxospores, sperm degeneration, did not breed fry. In 1974, some broodstock were shipped from the field. However, the original diseased fish were not completely eliminated and were mixed together to produce only a small amount of fry. In 1975 the disease was a major attack, not only male gonadal degenerative, female gonadal also severely damaged, had to be eliminated. In October we went to the scene to polyculture in other broodstock in the carp, since