Diary Husbandry Department
alfalfa, nutrition, vitamins A, vitamins D, calves
Every farmer knows that adequate amount of vitamin D and A are needed in order to maintain vigorous health, good growth, and efficient production in his livestock. This need has been well established by carefully controlled experimental work and by farm observations. It brings into sharp focus problem of finding the most economical means of providing these important nutrients.
South Dakota State College of Agriculture and Mechanic Arts, Agricultural Experiment Station
Wallis, G. C., "Vitamins D and A in Alfalfa Hay" (1944). Agricultural Experiment Station Circulars. 50.