VPA 211: General Veterinary Parasitology and Helminthology (3+1)

ONCHOCERCA ARMILLATA

• Cattle are the most susceptible species. The diagnosis of the infection by skin snip examination and some also at post-mortem examination.
• Infection is more common between nine months and eight years. Prevalence rate and number of microfilariae per gram of skin were higher in male than in female cattle.
• Severe pathological changes were seen in the thoracic aorta, brachiocephalic, costocervical and brachial arteries and posteriorly in the abdominal aorta to its bifurcation into the iliac arteries.