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

PATHOGENESIS AND CLINICAL SIGNS

Pathogenesis

• L4 feed on caecal mucosa while adult worms feed on intestinal contents.
• The chief clinical feature of oxyurosis is ‘anal pruritus” produced by egg laying females.

Clinical signs

• Restlessness, improper feeding and dull coat, animal rubs its base of the tail against any suitable hard object causing hair to break off and the tail to acquire an ungroomed ‘rat-tailed appearance’.