Eliminating Chronic Disease Using a Farmbased Approach: Caseous Lymphadenitis (CL) (PDF) SARE Farmer Grant Final Report 2014 By Anne Lichtenwalner DVM Ph.D., University of Maine Cooperative Extension, and Animal and Veterinary Sciences CL: What is it? “Cheesy gland”: Chronic bacterial infection Corynebacterium pseudotuberculosis Stays in the immune system May cause skin or internal abscesses Can