Micronutrients are nutrients the body requires with small quantity such as vitamins, amino acids and minerals. They play a very important and indispensable role on the optimal development of animals.

Macronutrients are essential elements the body requires with large quantity such as protein, fat, carbohydrate, and several multi-minerals, calcium, phophorus, salt, etc. They play a very important and indispensable role on the optimal development of animals.