Lungworms - pigs

Question 1

What is a common lungworm in pigs?

Answer 1

• Metastrongylus spp (Metastrongyloidea superfamily)

Question 2

What is the life cycle of Metastrongylus spp in pigs?

Answer 2

• Indirect LC
• Earthworms IMH
• PPP 4 weeks
• Adults in bronchi and bronchioles produce eggs
• Eggs in feces, the maturation to L1
• L1 ingested by earthworms
• Maturation in earthworm to L3
• Earthworm containing L3 ingested, which penetrates intestinal mucosa
• Migration to lymph nodes and maturation to L4
• Migration via lymph and bloodstream to lungs