1985～1990年，人工繁育大口鲶成功后，人工养殖大口鲶，尤其是集约化养殖得以在我国南方十多个省市迅速开展，取得了很好的经济和社会效益。但是，几年来的养殖生产过程中暴露出一些值得科研、生产单位和养殖者注意的问题。1．苗种质量问题。近年来，随着大口鲶人工养殖规模的 From 1985 to 1990, after the artificial breeding of the catfish successfully, the artificial catfish, especially intensive farming, has been rapidly carried out in more than 10 provinces and cities in southern China and achieved good economic and social benefits. However, during the past few years, some problems worthy of attention by research institutes, production units and farmers have been exposed during the breeding and production process. 1. Seed quality problems. In recent years, with the catfish artificial breeding scale