Outbreaks of C. pseudotuberculosis infection occurred in two herds of about 2500 imported
dromedaries. Over 4 months about 15% developed numerous muscular subcutaneous
abscesses particularly on the hind-quarters, shoulders, base of the neck and tail, under the
jaw, and on the joints. Affected dromedaries did not respond to antibiotic therapy.
Postmortem examination revealed emaciation, and abscesses in lungs and liver. Both herds
were heavily infested with Hyalomma ticks. C. pseudotuberculosis Type I or biovar ovis was …

This communication describes outbreaks of Corynebacterium pseudotuberculosis (Cp)
infection in two herds of camels (Camelus dromedarius) for the first time in Saudi Arabia.
The herds consisted of about 2,500 adult local and imported camels. Over a period of four
months about 15% developed numerous muscular and subcutaneous abscesses
particularly on the hind-quarters, shoulders, at the base of the neck and tail, under the jaw
and on the joints. Both herds were heavily infested with ticks of Hyalomma species. The …