VPA 221: Veterinary Entomology and Acarology (1+1)

SARCOPTIC MANGE IN PIGS

Site of Affection

• Ear is most common affected site
• Spreads to back, flank, abdomen
• Most harbour inapporent infection

Transmission

• Sows to piglets during sucking signs seen within 3weeks of birth
• From infection boar to gilts

Symptoms

• 1^st sign papules, generalized erythema around eyes, snout & external ear, axilla, front of hocks
• Scratching – encrustations – thickened skin with crack open, leaving deep wounds

Diagnosis

• Confirmatory diagnosis by examining the wax from the ear

Treatment

• Treat Sow before farrowing
• Boars – treat at 6 monthly interval with Ivermectin at 300 µg/kg can be given