The document summarizes common diseases affecting neonatal and growing pigs. For neonatal pigs, it lists Escherichia coli, transmissible gastroenteritis coronavirus, Clostridium perfringens type C, coccidiosis, and rotavirus. For growing pigs, it lists Brachyspira hyodysenteriae causing swine dysentery, Lawsonia intracellularis causing proliferative enteropathy, and Salmonella Typhimurium which can infect humans. It also provides images showing the pathogenesis of proliferative enteropathy caused by L. intracellularis.

1. Neonatal Pigs Growing Pigs
•Enterotoxigenic •Swine Dysentery
Colibacillosis (E coli) -0-7 (Brachyspira hyodysenteriae)
days
•Porcine Proliferative
•Clostridium perfringens Enteropathy (Lawsonia
Type C intracellularis)
•Transmissible •Salomonella
Gastroenteropathy of Typhimurium (Zoonotic)
Swine (TGE; Coronavirus) •Postweaning
•Coccidiosis (Isospora; Colibacillosis (E. coli)-
Eimeria) enterotoxigenic or hemolytic

2. Small Intestine
Cecum Colon
Neonatal pigs
E coli
TGE
Rotavirus
Coccidia
Clostridium (red gut)
Postweaning pigs
Lawsonia Salmonella Brachyspira

3. Small Intestine
Cecum Colon
Neonatal pigs
E coli
TGE
Rotavirus
Coccidia
Clostridium (red gut)
Postweaning pigs
Lawsonia Salmonella Brachyspira

4. Small Intestine
Cecum Colon
Neonatal pigs
E coli
TGE
Rotavirus
Coccidia
Clostridium (red gut)
Postweaning pigs
Lawsonia Salmonella Brachyspira

5. Proliferative enteropathy/Adenomatosis
• Lawsonia intracellularis
http://www.thepigsite.com/publications/contents/
50_pic4.2.1a.jpg
http://www.niah.affrc.go.jp/disease/EM/em_en/
bacteria/campylo/campylo2.jpg
Mucosal hyperplasia  Mucosal necrosis with fibrin  Mucosal hemorrhage