Syndrome II occurs in rapidly growing dogs that are fed zinc deficient diets high in phytates or minerals (e.g. calcium), or diets oversupplemented with minerals and vitamins that interfere with zinc absorption. | Syndrome II occurs in rapidly growing dogs that are fed zinc deficient diets high in phytates or minerals (e.g. calcium), or diets oversupplemented with minerals and vitamins that interfere with zinc absorption. |