湖南湘阴县东湖渔场以鲫鱼作母本和鲤鱼作父本进行人工杂交,取得了良好成绩。近年来,他们为解决鲫鲤杂交的自然繁殖问题做了许多工作。1978年时,该场发现有成批自然繁殖的鲫鲤杂交鱼种幼苗。今春,他们挑选成熟年龄鲫鲤杂交鱼放入试验专池进行了4次产卵,自然孵化出鱼苗3万余尾。为查明它们的生殖方式,全场职工 Hunan Huayin County East Lake Fisheries to crucian carp and carp parenting for manual crossover, and achieved good results. In recent years, they have done a lot of work to solve the problem of natural propagation of crucian carp crossbreeding. In 1978, the site found a group of natural breeding crucian carp hybrid seedlings. This spring, they selected mature age crucian carp hybrid fish into the test pool for 4 spawning, naturally hatching more than 30,000 fry. To identify their reproductive methods, the entire staff