The pathogenesis of necrotic proliferative colitis in swine is linked to whipworm induced suppression of mucosal immunity to resident bacteria.
Mansfield LS, Urban JF. The pathogenesis of necrotic proliferative colitis in swine is linked to whipworm induced suppression of mucosal immunity to resident bacteria. Vet Immunol Immunopathol. 1996 Mar; 50(1-2):1-17.