大口鲶是一种凶猛肉食性鱼类 ,在人工养殖条件下 ,苗种常以水蚯蚓、成鱼以小杂鱼或屠宰副产物为饲料源。近年 ,由于大口鲶饲料的商业化 ,养殖过程出现了一个由鲜饵改喂人工配合饲料的驯化转食过程 ,此过程是用商品料进行规模化养殖的转折点 ,转食方法不当 ,苗种成活率极低。为 Catfish is a ferocious carnivorous fish, under artificial aquaculture conditions, often with water, earthworms, adult fish to small trash or slaughter by-product feed source. In recent years, due to the commercialization of the feed for catfish, the domestication and feeding process of feeding artificial feed by fresh bait has emerged in the breeding process. This process is a turning point for large-scale breeding of commercial materials. Improper feeding methods and survival of seedlings Very low rate. for