PORK-PRODUCTION 



BY 



WILLIAM W. SMITH, M.S.A. 



ASSOCIATE PROFESSOR OF ANIMAL HU8BAKDRT 

 PURDUE UNIVBRSITT 



WITH A. CHAPTER ON 



THE PREVENTION OF HOG DISEASES 



BT 

 R. A. CRAIG, D.V.M. 



PBOFEBSOS OF TXTKBINABT BOIEXOB, PURDUE TTNITEBSITT 



AND CHIEF VETEBIHARIAN, PUBDUE AGBIOUL- 



TUBAL XXPEBIUZNT BTATION 



Neto gorfe 



THE MACMILLAN COMPANY 



1920 



AU righU retervtd 



