While these are high in phosphorus, they do provide needed nutrients. . You can also
mix either the rice or the vegetable
mix with drained mackerel or salmon for variety and the fish already has bone steamed with it, so it is balanced properly for calcium. Because of the bone, fish is high in phosphorus and so should be used in very limited amounts. Do not feed tuna, as it is high in mercury. Again, save your eggshells, and dry them overnight.