TY - BOOK AU - AU - Freeman,B.M. AU - Boorman,K.N. TI - Economic factors affecting egg production: proceedings of the Tenth Poultry Science Symposium, 18th-20th September 1974 SN - 0902727052 PY - 1975/// CY - Edinburgh PB - British Poultry Science Ltd KW - Eggs KW - Production KW - Economic aspects KW - Congresses KW - Poultry KW - Egg trade KW - Great Britain N1 - Includes bibliographies ER -