Dairy Husbandry Department
Will a given amount of the protein of oil meal, for example, be of equal value in supplying the needs of a milk cow as will the same amount of the protein of some other feed? To find a satisfactory answer to the above question, asked by many dairymen, has been the aim of the present investigation as reported in this bulletin. It has long been known that the protein from different sources varied in its ability to supply the protein demands of an animal. Numerous investigations have dealt with a study of the so-called "pure proteins" which have been found to vary in their relative values. Comparatively few· of these investigations have dealt with a study of protein as it occurs and is fed in the ordinary feeds. Even fewer have concerned themselves with this protein problem as regards animals producing milk. The present investigation deals with the relative value of the protein of common feeds in supplying the protein requirements of cows producing milk.
dairy feed, dairy nutrition, Dairy Science
South Dakota Experiment Station, South Dakota State College of Agriculture and Mechanic Arts
Larsen, C.; Wright, T.; Jones, H.; and Hoover, H., "Relative Values of Feed Proteins for Dairy Cows" (1920). Agricultural Experiment Station Bulletins. 188.