Selenium is always a good lesson in why improving livestock nutrition benefits human health. This study, reported at the recent IFAMA symposium in Frankfurt, notes an important opportunity for increasing human Se status in Se-deficient regions of the world.

An experiment by Brazilian researchers (University of Sao Paulo) looked at what happened when cows were fed various Se/Vitamin E supplements. Then they examined blood Se and VE in school children given milk from each group of cows.