工厂化养殖罗非鱼与饲料有关的疾病有：营养性疾病和由于饲料变质产生毒素而引起的疾病。 一、营养性疾病 １．由营养缺乏症产生的疾病： （１）病因：由于池塘养殖罗非鱼与工厂化养殖罗非鱼的养殖环境不同，在维生素和矿物质的营养需求量上是有较大差异的，如果将池塘养殖罗非 Tilapia factory-fed and feed-related diseases are: nutritional diseases and diseases caused by the toxins produced by feed deterioration. First, the nutritional diseases 1. Diseases caused by malnutrition: (1) Etiology: Due to the different aquaculture environment of tilapia cultured in ponds and factory farmed tilapia, the nutritional requirements of vitamins and minerals are greatly different. If the Pond breeding Luo Fei