Dictyocaulus

Dictyocaulus Viviparus - Bovine Lungworm

• Dictyocaulus arnfieldi causes cough in horses

Parasitic Bronchitis - Cattle

Ovine Lungworm

Dictyocaulus filaria

• • Most important lungworm of sheep and goats. It is associated with chronic cough and unthriftiness in lambs and kids. Sporadic in temperate areas. Disease outbreaks more likely in warmer climates.

Life-Cycles

• Similar to D. viviparus in cattle, i.e. direct life-cycle
• Prepatent period 5 weeks

Epidemiology

• Dictyocaulus filaria
  • Similar to D. viviparus in cattle

Dictyocaulus arnfieldi - Equine Lungworm