Enhancing the Riboflavin Content of Mare's Milk

Abstract

ALTHOUGH cow's milk is generally considered one of the best natural sources of riboflavin, Holmes and his co-workers,1 in a study of the vitamin content of mare's milk, found that draft (Percheron) mares produced milk containing extremely little riboflavin. The riboflavin levels varied from 0.05 to 0.20 mg. per liter of milk, with averages of 0.09, 0.11, and 0.13 mg. for the three mares used in the study. These values were less than one tenth those found for milk produced by cows that grazed in the same pastures and were fed hay grown in the same or adjacent fields to . . .