CALCIUM & PHOSPHOROUS SUPPLEMENT FOR FISHES

Calcium absorption in fishes from environmental water is species specific and depends on concentration of calcium in rearing environment and availability of dietary calcium. Calcium and phosphorous are generally combined together in fish body therefore maintaining a dietary calcium: phosphorus ratio is important. Ca exists in a complex form in fish meal, which is not available to fishes; hence, although fish meal contains an appreciable amount of calcium, dietary Ca supplementation in fish meal.