NUTRITIONAL ASPECTS OF THE SIGNIFICANCE, OF THE UTILIZATION, OF THE METABOLISM AND OF THE APPLICATION OF VITAMIN-E AND SELENIUM IN THE SHEEP

A review is given on the significance, availability, metabolism and ap plication of vitamin E and selenium in sheep. Vitamin E deficiency com monly occurs in spring. Selenium deficiency occurs in certain areas wh ere the selenium content of plants is low. A further factor is the low availability of selenium as a consequence of reduction reactions in t he forestomachs. When the supply of vitamin E and selenium is suboptim al, activity of the immune system and growth are impaired.