1. 1. Anonymous, “Beef from Dairy Herds” (Barlby Report 1), Brit. Oil and Cake Mills Ltd, 1956.
2. 2. Anonymous, “Dry Skim Milk and Dry Buttermilk in Home Mixed Feeds”, Am. Dry Milk Institute, Feed Service Bull. 216, Chicago, 1949.
3. Livestock and Meat Statistics (Supplement);Anonymous;U.S. Agr. Bull.,1959
4. 4. Anonymous, “U S. Calf Crop with Estimates of Breakdown Between Dairy and Beef Calves”, Am. Meat Institute, Table 843-R 2, 1959.
5. U.S. Grades for Beef;Anonymous;U.S.D.A. Leaflet,1957