[Proventriculitis in domestic fowl (Gallus gallus var. dom. L., 1758) caused by megabacteria]. / Eine durch Megabakterien verursachte Drüsenmagenentzündung beim Haushuhn (Gallus gallus var. dom. L., 1758).

Three cases of a disease similar to going light syndrome in budgerigars in a flock of young laying hens in Turkey are reported. In all cases megabacteria in association with E. coli could be isolated. The causing agent appeared to be large, rod-shaped, gram-positive or gram-labil, and catalase test positive bacteria with cytochromoxydase activity. Subcultivation of these bacteria could not be achieved.