The bacterial flora of the normal canine vagina compared with that of vaginal exudates

The aerobic bacterial flora (excluding Mycoplasma spp.) of the vagina of sixty‐two clinically normal bitches was determined and the species most frequently isolated, in decreasing order, were: Escherichia colt, Streptococcus ‘viridans’, Staphylococcus aureus and Streptococcus cards. From the vaginal exudates of seventy‐two bitches with vaginitis, the order of frequency was: E. coli, Strep, canis and Staph. aureus. The only consistent difference between the bacterial flora from the two sources was the relatively higher numbers of bacteria in the vaginal exudates.