Oedematous skin disease : a comparison of changeable clinical nature in cattle and buffalo

الملخص EN

Oedematous skin disease (OSD) is a pyogenic bacterial disease affects buffalo and cattle.

OSD is endemic in Egypt with temporal cyclic nature.

An outbreak of OSD was reported in Zefta region of Gharbia governorate during spring and summer 2014.

This study was performed to investigate some epidemiological, clinical and therapeutic trials associated with OSD in this outbreak.

The prevalence of OSD in this outbreak was estimated at 7.1% (7.3% and 6.3% among buffalo and cattle respectively).

Prevalence of OSD was higher in summer months than spring associated with increase of fly activity and population.

Clinically, there were different forms of the disease in both buffalo and cattle; edematous, fistulous- edematous, ulcerative and nodular forms.

All forms were found associated with involvement of regional lymphatics.

Haemoglobinuria and pneumonia ere the reported complications that terminated by death in two buffaloes.

In this study, increased severity of OSD in cattle was observed indicating increased adaptability of the micro-organism to cattle.

It is concluded that, flies is playing the main role in transmission of C.

pseudotuberculosis infection.

Also, OSD has a real temporal cyclic nature and increased adaptability to cattle.