PIJEPACE TO THE THIIID EDITION; 



This book has been written td furnisli ai;rieultiira,l students 

 with a comprehensive and con\'enient statement of the facts 

 and princii)les of Poultry rro(hiction. It is h(jpcd that it 

 will render a service in teaching its subject in the great 

 producing areas where farm poultry is abundant and poultry 

 farms rare. It is of necessity A'ery largely a compilation, 

 and as far as possible consists of a systematic re])ort of facts 

 fully or partly established by careful exjieriment. 



The material is largely that used by the author in courses 

 taught at Iowa State College and Kansas State Agricultural 

 College during the last eleven years. This has been supi>le- 

 mented by knowledge gleaned from the literature of the 

 subject. Credit is given for material whe^e^'er used, when 

 the person with whom it originated is known. 



It is a pleasure to acknowledge the assistance of the follow- 

 ing gentlemen in the jireparation of this l.)ook: 



INIr. J. G. Halpin, Professor of Poultry Husbandry, Uni- 

 versity of Wisconsin, made several helpful suggestions, 

 particularly in reference to the chapters on The Poultry 

 Industry, Housing and Hygiene, and Preparing for Con- 

 smiiption. 



INIr. A. G. Philijis, Professor of Poultry Husbandry, 

 Purdue University, made several pertinent suggestions 

 concerning the chapter on Breeding. 



Messrs. (Jeorge C. Bowman and Harry Perry, of the 



"(v) 



