Co-infection of Escherichia coli, Enterococcus faecalis and Chlamydia psittaci contributes to salpingitis of laying hens and breeder ducks. Enterococcus faecalis

Grey-transparent to white colonies were observed to develop circular with an entire margin, convex and surrounded by a pronounced zone of gamma-haemolysis on blood agars and no transparent ring on the outer side was found on Baird-Parker medium. Under microscope, the Streptococcus isolate was found to be gram-positive, chain-forming, coccus-shaped organisms and the isolate was were determined as E. faecalis by biochemical assays.