Exam III - Metastrongylus spp.

Question 1

what is the common name of Metastrongylus spp.?

Answer 1

pig lungworm

Question 2

what is the IH for Metastrongylus spp.?

Answer 2

earthworm

Question 3

where are the adults found in the pigs w/ Metastrongylus spp.?

Answer 3

bronchioles & bronchi

Question 4

what is the migration pattern of L3’s –>adult in the pig?

Answer 4

L3 hatches on ingestion of the earthworm and migrates to the mesenteric LN & molts –> uses lymphatic route to reach the lung

PPP = 4 wks

Question 5

what are the CS associated w/ the migration of L3/L4 in a pig with Metastrongylus spp.?

Answer 5

tramatic lesions of lungs = bronchitis & emphysema can develope

in the young coughing , sneezing and nasal dicharge +/- dysnea can occur

Question 6

T or F

heavy infection are uncommon.

Answer 6

true

particularly in the older age groups