Natu Defence is a Natural preparation which keeps intestinal and immune system healthy, stimulate gut motility, improve appetite, feed absorption and body weight in aquatic animals. It exert stimulating effect on intestinal tract, promote growth of intestinal villi, enhances energy level, helps in strengthening body muscles and tissues, scavenge oxygen free radicals, protect from respiratory disorders and risk of early death and health of target species with Natu Defence there is no need to add any formal antibiotics in diet.