● Berkhoff GA,Campbell SG,Naylor HB (1974). Etiology and pathogenesis of ulcerative enteritis ("quail disease"). Isolation of the causative anaerobe. Avian Dis.18, 186-94. ● Berkhoff HA (1985). Clostridium colinum sp. nov., nom. rev., the causative agent of ulcerative enteritis (quail disease) in quail, chickens, and pheasants. Int. J. Syst. Bacteriol.35, 155-159.
