فصلنامه ایمنی زیستی
سال دهم شماره 1 (بهار 1396)

For years, many medical prescriptions for the treatment of bacterial infections, particularly infections of fish taken, however, to deal with the issue of bacterial resistance against antibiotics and the body's accumulation of fish, as well as the effects of emissions of these drugs on the environment from the use of this drug problems in fish and other aquatic animals. There are vitamins, as one of the constituent parts of the feed, in food rations for survival, growth and reproduction of normal animals is necessary. In the diet of fish and shrimp are 11 types of water-soluble and fat-soluble vitamin is used 11. Vitamin C is one of the critical vitamins which has several metabolic functions, including effects on growth, survival and prevent mortality, wound healing, reduces the effects of stress and resistance to pathogens and improve the performance of reproduction. Vitamin C is a powerful antioxidant to protect cells against oxidative damage plays an important role, vitamin C as a bulwark against oxidizing agents such as oxygen free group acts by trapping free radicals raising and remove it from the environment of the cell. The uses of probiotics in aquaculture technology are synchronized with the environment. Using these materials, it is possible to increase output, improve the water quality and the fact that they can be considered as the biological control. Another way of preventive health management of fish farms using natural and non-immune stimulant. Based on the studies we concluded that adding probiotics can improve the growth performance and immune responses of fish.