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.