Vitamin AD3E is a dietary vitamin intake usually meets the needs of the animals. Vitamin A is a protective substance for the entire ectoderm and important for the development, the protection and the regeneration of skin and mucosa. Vitamin A has a special function in the visual forms retinal. Vitamin A is additionally of great importance for growth, skeletal development and fertility of the animals. Vitamin D3 is also called the anti-rachitic vitamin, it regulates the metabolism of calcium and phosphorus, in particular promotes the absorption of calcium and phosphorus from the intestine. Vitamin E is necessary for cellular metabolism (cell respiration, nucleic acid metabolism), and it acts as an antioxidant, by means of which the antioxidant of unsaturated fatty acids and vitamin A in vivo is suppressed.