The requirement of all vitamins and elements varies not only with the different periods of growth and physiological functions (Pregnancy & Lactation) but also with nutrition.
Vitamin A: Enters into the oxidation & reduction reactions, in special the metabolism of carbohydrate  & lipids, as well as it also stimulates the Epithelia.
Vitamin D3: Plays a role in Calcium & phosphor metabolism and their precipitation in the bones, helps both calcium & phosphor absorption in the intestine, and stimulates parathyroid Hormone.
Vitamin E: Regulates oxidation-reduction reactions & protein metabolism, it stimulates the urogenital tract.
Sodium Selenite: The essential role of selenium is as part of the enzyme glutathione peroxidase; whose function is to prevent free-radical damage to tissue.
Mineral Elements: Are very useful in building body tissues, metabolism, and various stages of growth. They are important in all stages of growth in animals.
Antioxidants (BHA): It is intended to be used as an antioxidant in feeding tuffs for all animal species and categories.