Welfare of the laying hen /
Perry, G. C.(Graham C.)
Poultry Science Symposium(27th :2003 :Bristol, England)
Wallingford : CABI Pub.,
c2004.
Proceedings of the World's Poultry Science Association Meeting held in Bristol, England, July 2003.
Includes bibliographical references and index.
Poultry
Animal welfare
Hens