- Charles F. Henderson, A. C. Hull, Charles Michael Merkel, Edgar Blake Hurd, Edwin Edward Drewniak, Fisk Gerhardt, George R. Struble, Gerald N. Franks, Howard Reynolds, James Robert Douglass, James William Kimmey, Jesse Edward Harmond, John Robinson Winston, Joseph Benjamin Shepherd, L. F. Locke, L. V. Wilcox, Leonard M. Klein, Lloyd W. Noble, Myron Sallee Anderson, United States. Agricultural Research Service. Animal and Poultry Husbandry Research Branch, Victor Friedrich Bruns, Walter Henricks Hodge, Walter M. Osborn, William H. Metzler, United States. Department of Agriculture, Anselm Clyde Griffin, Gladys L. Gilpin, Ralph Corbin Hall, Vernon Pollard Moore, Wallace M. Johnson, Irwin Hornstein
· 1955
And conclusions. pp. 21.
- Albert S. Hunter, Anselm Clyde Griffin, Donald Douglas Durost, Gerald N. Franks, Henry Howard Finnell, Jose Vicente-Chandler, Miron L. Heinselman, Norris W. Gilbert, Oris T. Robertson, Oscar K. Barnes, Ralph Dickieson Jennings, Robert Warren Cooper, Thomas James Army, Walter E. Chapman, William E. Hendrix, William S. Chepil, Charles Scott Shaw, Clifford Scharff Schopmeyer, Donald S. Black, Fernando Abruna, Glen Thomas Barton, Lauren M. Burtch, Neal P. Woodruff, Oliver L. McCaskill, Victor Leo Stedronsky, Warren Durward Hanson, Cuthbert Henry McDowell, Dennis H. Currie, Servando Silva, William H. Davis McGregor
· 1958
- Anselm Clyde Griffin, Burt Walter Heywang, Byron Sloane Miller, Carl Emil Nelson, Fred Earl Keating, George R. Struble, Gerald N. Franks, Harley A. Daniel, James Russell Douglass, James Vermeer, John Edwin Bear, Karl Frederick Wenger, Loren George Polhamus, Max James LaRock, Robert F. Hutton, W. C. Moldenhauer, Arthur Frederick Sievers, Edsel Aurburn Harrell, Harold Coleman Hallock, J. C. Oglesbee, John Andrew Johnson, Oscar Roland Mathews, Robert Gilbert Yeck
· 1956