1. Energy level of the diet for laying hens in Western Washington;Berg;Washington Agri. Exp. Sta. Tech. Bull.,1956
2. Protein and energy studies with developing White Leghorn pullets;Berg;Poultry Sci.,1958
3. The protein requirement of growing birds;Blaylock;Poultry Sci.,1956
4. Energy-protein ratio approach for poultry feed formulation;Combs;Flour and Feed,1955
5. Energy values of feedstuffs for poultry;Titus,1957