Metastrongyloidea Flashcards
List the metastrongyloideas
- Muellerius
- P. tenuis
- Metastrongylus spp.
- Aelurostrongylus abstrusus
- Filaroides osleri
- Filaroides hirthi
- Angiostrongylus vasorum
- Crenosoma vulpis
Which metastrongyles affect older dogs? Which affect young dogs?
OLD DOGS-
1. Angiostrongylus vasorum
2. Crenosoma vulpis
YOUNG DOGS:
1. Filaroides hirthi
2. Filaroides osleri
Which metastrongyles have a direct lifecycle?
Only filaroides spp.
How can you diagnosis larvae of metastrongyles?
L1 with kinked tail with BAERMANN
except metastrongylus (egg with L1) use fecal float
What is the common name of p. tenuis?
Meningeal worm
What is the main pathogenesis of Muellerius? What is the host?
LEAD SHOT LUNGS
Host: sheep and goats
Who is the abberant host of p. tenuis?
Horse! has neuro signs and die
+ Sheeps and goats
deers are chilling with no CS
What is the host of Metastrongylus? The IH?
Pigs! specifically young pigs 4-6 months old
IH: earthworm
What is the main CS seen in metastrongylus spp.?
coughing in younger pigs
Describe the egg of metastrongylus spp.
irregular, round, thick shell with L1
What is the host of aelurostrongylus abstrusus?
Cats usually over 6 months
What is the main CS of aelurostrongylus abstrusus?
mild chronic cough
What is the predilection site of aelurostrongylus abstrusus?
lung parenchyma
What is the common name of angiostrongylus vasorum?
French heartworm ***IMPT
What is the predilection site of angiostrongylus vasorum? Clinical signs?
Pulmonary arteries
CS: cough, exercise intolerance in older dogs, heart failure
