Welfare of the laying hen / 
edited by G.C. Perry. 
 - Wallingford, Oxfordshire, UK ;  Cambridge, MA, USA :  CABI Pub.,  c2004. 
 - xiv, 430 p. :  ill. ;  25 cm. 
 - Poultry science symposium series ;  v. 27 .
 - Poultry science symposium ;  no. 27. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0851998135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hens--Congresses.<br/>Poultry--Congresses.
<br/><br/><label>Dewey Class. No.: </label>636.5142 WEL