TY - BOOK AU - Crawford,R.D. TI - Poultry breeding and genetics SN - 0444885579 Hb, Bp. AV - SF 492 P68 1990 CIRC PY - 1990/// CY - Amsterdam, New York PB - Elsevier KW - Poultry KW - Breeding KW - Genetics N1 - Includes bibliographical references and index ER -