大口鲶的养殖第三讲鱼苗、鱼种培育大口鲶鱼苗、鱼种培育，指的是从水花鱼苗开始，经３５～５０天饲养，使其达到９～１２厘米，这一长度规格鱼种的饲育过程。根据大口鲶在苗种阶段的生长发育特点，这一过程又可分为两个阶段：第一阶段：从水花鱼苗起，约经１０～１５天时... Large-mouth catfish culture Lecture 3 fish fry, fish breeding fishes catfish, fishes breeding, refers to the beginning from the water fry, feeding 35 to 50 days to make it up to 9 to 12 cm, the length of the species of species Rearing process. According to the growth characteristics of the catfish in the seed stage, this process can be divided into two stages: the first stage: starting from the flower frog, about 10 to 15 days ...