Vitamin A: is necessary for the regeneration of skin and mucous membranes. It increases resistance to infections. and supports health, growth and fertility
Vitamin D3; deficiency leads to bad development of the bones .e.g. rachitis) in young animals and a bad egg-quality in layers and breeders)
,Vitamin E: is necessary in the prevention of disorders like ascites in broilers low fertility, nervous and muscular system lesions that appear in case of deficiency state