PigHealth.com  
   Provides information on Pig Health, Swine Diseases, Hog Welfare and Pork Safety. Has nearly 1000 articles and links on the subject matter and has a comprehensive book shop on pig topics.
   http://www.pighealth.com

International Pigletter  
   A monthly newsletter and acollection of swine production information from around the world through the Pig World Library.
   http://www.pigletter.com/

Alpharma Animal Health's Reporcin site  
   Information about Alpharma Animal Health and Reporcin (porcine growth product).
   http://www.alpharma.com.au

Antwi Farms  
   Providing various free research papers on swine diseases and regular updates.
   http://www.antwifarms.com/swinediseases.shtml

Hog Cholera  
   An article on Hog Cholera.
   http://www.ars.usda.gov/is/timeline/cholera.htm

Managing Pig Health and the Treatment of Disease  
   Practical manual providing detailed information on pigs, hogs, swine. This 600+ page book, written by Mike Muirhead and Tom Alexander is written in an easily understandable format and is aimed at everyone involved in swine production, from the farmer to t
   http://www.managingpighealth.com

Disease of Swine  
   Directory of links to information on many of the diseases in swine.
   http://www.swinefile.com/Artdis.htm