- 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 Watts Moore, Carl F. Dunker, Charles D. Converse, Claron Owens Hesse, Elmer Snyder, Everett Eugene Lund, Frank Custer Edminster, Franklin Elmer Allison, Franklin Jacob Crider, George Haymaker Vansell, Guy Weston Bohn, H. O. Hetzer, Harry Edward Goresline, Harry Ream Lochry, Henry Hamilton Bennett, Herbert Spencer, Jesse Edward Harmond, Jesse Wilburn Ingram, Leslie Rushton Hawthorn, Mary Cecelia Whitlock, Myron Sallee Anderson, Oscar Roland Mathews, Ralph William Marquis, United States. Department of Agriculture, Forest G. Bell, Frank N. Harmon, Elbert Hann Reid, Kirby M. Hayes, Leonard M. Klein, Lester Alan Thompson, Max Raymond Osburn, Sidney Fay Blake, Thomas Wallace Whitaker, Alfred W. Otte, Arnon Lewis Mehring, Bert D. Robinson, Paul A. Norman
· 1952