| abstract |
The present invention relates to a feed additive for bilingual fish including 5'-inosinic acid as an active ingredient, a feed for a fish including the feed additive, a method for enhancing the nonspecific immunity of fish or crustaceans using the feed, Or crustaceans against pathogenic bacteria, and a method for increasing the growth rate of fish or crustaceans using the feed. The feed additive of the present invention can enhance the nonspecific immunity of cultured fish or crustaceans, improve resistance to pathogenic bacteria, and increase the growth rate. Therefore, it is possible to prevent unnecessary use of antibiotics and to improve productivity, immunity and hygiene It will be widely used in the production of aquaculture. |