[Biological activity of vitamin E in feed mixtures with a varying santoquin content].

Studied was the content of vitamins A and E as well as that of fats, aldehydes, and peroxides and the biologic activity of vitamin E with regard to the amount of santoquin in combined forage mixtures for birds. The experiments were carried out with a finisher forage mixture for broilers to which santoquin was added in amounts of 0.010, 0.