一、名特优水产动物及其疾病发生的特点 名特优水产动物是一个较为模糊的概念,它是与常规水产动物相对应存在的。一般来说,所谓名特优水产动物是指那些或名贵、稀少,或养殖方式特殊、养殖规模较小,或营养价值优良,商品价值较高的受人特别亲睐的水产经济动物。名特优水产动物一般具有以下特点:①经济价位较高,因而价值较高,养殖效益 First, the characteristics of famous aquaculture animals and their disease Name Aquaculture aquatic animal is a rather vague concept, it is corresponding to conventional aquatic animals exist. Generally speaking, the so-called super-premium aquatic animals are those aquatic economic animals that are precious or sparse, or are cultured in a special way, have a small scale of breeding, or are of good nutritional value and high commodity value. Named Premium aquatic animals generally have the following characteristics: ① higher economic value, and therefore higher value, farming efficiency