用中草药代替抗生素来防治疾病,不易产生抗药性和毒副作用,也不会污染水环境。而且,中草药对水产动物具有调节机体平衡与生理功能、提高机体特异性和非特异性免疫力、提高消化吸收、增强体质、促进生长的作用,此外还具有抗菌、抑制病毒等方面的作用。 Chinese herbal medicine instead of antibiotics to prevent disease, not easy to produce resistance and toxic side effects, it will not pollute the water environment. Moreover, Chinese herbal medicine has the functions of regulating body balance and physiological functions, improving body specific and nonspecific immunity, improving digestion and absorption, enhancing body constitution and promoting growth of aquatic animals, and also has functions of antibacterial and virus-inhibiting.