TY - BOOK AU - Hauver,W.E. AU - Kilpatrick,Lester TI - Poultry grading manual T2 - Agriculture handbook / United States Department of Agriculture AV - SF502 .H37 PY - 1961///] CY - Washington PB - U.S. Dept. of Agriculture, Agricultural Marketing Service, Poultry Division KW - Poultry KW - Grading N1 - Cover title; Earlier editions prepared by O.F. Johnson; "Selected references for further study": p. 37 ER -