Metastrongyloidea
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Questions and Answers

What are the general characteristics of Superfamily Metastrongyloidea?

Indirect life cycle, snail or slug IH, Infective L3 found inside intermediate host, Diagnose via Baermann , diagnostic stage is L1 with kinked tail, bursated males, small buccal capsule

What is the diagnostic test and diagnostic stage for Superfamily Metastrongyloidea, respectively?

  • Sedimentation, L1
  • Baerman, L3
  • Sedimentation, L1
  • Baerman, L1 (correct)

    • Which parasite of Superfamily Metastrongyloidea is the exception to the indirect life cycle?

    Filaroides spp.

    Which parasite of Superfamily Metastrongyloidea is the exception for the diagnostic stage?

    <p>Crenosoma vulpus</p> Signup and view all the answers

    List all of the parasites in Superfamily Metastrongyloidea (Hint: 8)

    <p>Muellerius, Parelephostrongylus tenuis, Metastrongylus spp, Aelurostrongylus abstrusus, Filaroides osleri, Filaroides hirthi, Angiostrongylus vasorum and Crenosoma vulpis</p> Signup and view all the answers

    Street name for Muellerius spp?

    <p>Lung worm</p> Signup and view all the answers

    Final host of Muellerius spp

    <p>Shoats</p> Signup and view all the answers

    Intermediate host of Muellerius spp

    <p>Mollusks</p> Signup and view all the answers

    PPP of Muellerius spp?

    <p>6-10 weeks</p> Signup and view all the answers

    LC of Muellerius spp?

    <p>Indirect, infective L3 in IH</p> Signup and view all the answers

    Predilection site of Muellerius?

    <p>Lung tissue</p> Signup and view all the answers

    What is the pathogenesis of Muellerius?

    <p>Lead shot lungs</p> Signup and view all the answers

    How do you diagnose Muellerius?

    <p>Baerman, L1 with kinked tail</p> Signup and view all the answers

    CS of Muellerius spp?

    <p>Pneumonia rare in sheep, heavy infections worse in goats (usually no CS)</p> Signup and view all the answers

    Street name for Parelaphostrongylus?

    <p>Meningeal worm</p> Signup and view all the answers

    Who is the final host of Paelaphostrongylus?

    <p>White tailed deer</p> Signup and view all the answers

    Who is/are the abberant hosts of Parelaphostrongylus?

    <p>Horse, camel, llama, shoats</p> Signup and view all the answers

    Who is the IH of Parelaphostrongylus?

    <p>Mollusks</p> Signup and view all the answers

    LC of Parelaphostrongylus ?

    <p>Indirect, infective L3 in IH</p> Signup and view all the answers

    Both FH and Aberrant hosts experience CS such as staggering, circling etc

    <p>False</p> Signup and view all the answers

    The FH for Parelephostrongylus is in balance with their parasite so no CS are seen

    <p>True</p> Signup and view all the answers

    In the aberrant host of Parelaphostrongylus, the worms don’t usually develop into adults

    <p>True</p> Signup and view all the answers

    How do you attempt to diagnose a patient with Parelaphostrongylus?

    <p>By CS and if you see white tailed deer around</p> Signup and view all the answers

    What is the tx for Parelaphostrongylus?

    <p>None</p> Signup and view all the answers

    What is the Street name for Metastrongylus?

    <p>Lungworm of pigs</p> Signup and view all the answers

    Who is the FH of Metastrongylus ?

    <p>Pigs</p> Signup and view all the answers

    At what age are pigs most affected by Metastrongylus?

    <p>It is severe in pigs who are 4-6 months</p> Signup and view all the answers

    Who is the IH for Metastrongylus ?

    <p>Earthworm</p> Signup and view all the answers

    How do you ID Metastrongylus?

    <p>They are white slender worms; egg with L1 inside irregular “shell”</p> Signup and view all the answers

    What is the PPP for Metastrongylus?

    <p>28 days</p> Signup and view all the answers

    LC of Metastrongylus?

    <p>Indirect with infective L3 inside host</p> Signup and view all the answers

    What is the predilection site of Metastrongylus?

    <p>Bronchi and bronchioles</p> Signup and view all the answers

    Describe the pathogenesis of Metastrongylus

    <p>Will have lesions from lung migration, bronchitis, and secondary infections</p> Signup and view all the answers

    What are the CS of Metastrongylus?

    <p>Coughing and bronchitis</p> Signup and view all the answers

    How do you diagnose Metastrongylus ?

    <p>Fecal to find eggs with L1 inside</p> Signup and view all the answers

    How do you treat Metastrongylus?

    <p>Anthelmintics</p> Signup and view all the answers

    What is the street name for Aeulurostrongylus?

    <p>Cat lung worm</p> Signup and view all the answers

    Who are the PH for Aelurostrongylus?

    <p>Birds, rodents, frogs- things outdoor cats can hunt and eat</p> Signup and view all the answers

    Who is the intermediate host of Aelurostrongylus?

    <p>Snail, slugs</p> Signup and view all the answers

    What is the LC of Aelurostrongylus?

    <p>Indirect with infective L3 in IH or PH</p> Signup and view all the answers

    What is the predilection site of Aelurostrongylus?

    <p>Lung parenchyma, bronchioles</p> Signup and view all the answers

    What is the pathogenesis of Aelurostrongylus ?

    <p>Gray nodules in lungs due to females laying eggs in lung parenchyma</p> Signup and view all the answers

    What are the clinical signs of Aelurostrongylus?

    <p>Chronic mild cough</p> Signup and view all the answers

    How do you diagnose a patient with Aelurostrongylus?

    <p>Baerman, L1 with kinked tail, necropsy for adults in lungs and nodules</p> Signup and view all the answers

    How do you treat for Aelurostrongylus?

    <p>Prevent access to IH and PH</p> Signup and view all the answers

    Outdoor cats are the safest from Aelurostrongylus

    <p>False</p> Signup and view all the answers

    What’s the street name for Filaroides osleri?

    <p>Lungworm</p> Signup and view all the answers

    Who is/are the final hosts of Filaroides osleri?

    <p>Dogs</p> Signup and view all the answers

    What is the PPP for Filaroides Osleri?

    <p>6-7 months</p> Signup and view all the answers

    What is the LC of Filaroides osleri?

    <p>Direct with infective L1</p> Signup and view all the answers

    The infective stage in Filaroides osleri is L3

    <p>False</p> Signup and view all the answers

    What is the predilection site of Filaroides osleri?

    <p>Trachea and bronchi</p> Signup and view all the answers

    What is the pathogenesis of a dog with Filaroides osleri?

    <p>Hemorrhagic or granular nodules in trachea or bronchi</p> Signup and view all the answers

    Filaroides osleri is most prevalent in ___ dogs mostly in ____

    <p>Filaroides osleri a is most prevalent in young dogs mostly in breeding/lab facilities</p> Signup and view all the answers

    What are the CS of Filaroides osleri?

    <p>Dry, nonproductive cough</p> Signup and view all the answers

    There will be clinical signs seen at around 4 months old

    <p>False</p> Signup and view all the answers

    Describe the transmission of Filaroides osleri.

    <p>Transmission is from mother’s saliva, feces, or regurgitated stomach contents</p> Signup and view all the answers

    How do you diagnose a patient with Filaroides osleri?

    <p>Baerman , L1 with kinked tail and/or bronchoscope for nodule</p> Signup and view all the answers

    How do you treat a patient with Filaroides osleri?

    <p>BZD can reduce levels but there’s a persistent problem in kennels</p> Signup and view all the answers

    Who is the FH for Filaroides Hirthi?

    <p>Dogs</p> Signup and view all the answers

    What is the PPP for Filaroides Hirthi?

    <p>5 weeks</p> Signup and view all the answers

    What is the LC for Filaroides Hirthi?

    <p>Direct with infective L1</p> Signup and view all the answers

    Where is the predilection site of Filaroides Hirthi?

    <p>Lung parenchyma</p> Signup and view all the answers

    What is the pathogenesis of Filaroides hirthi?

    <p>Adults encyst in lung parenchyma, more prevalent in young dogs in beagle colonies</p> Signup and view all the answers

    CS oof Filaroides Hirthi?

    <p>Dry, nonproductive cough</p> Signup and view all the answers

    How do you diagnose a patient with Filaroides hirthi?

    <p>Baerman, L1 with kinked tail</p> Signup and view all the answers

    How do you prevent Filaroides hirthi?

    <p>Just by management</p> Signup and view all the answers

    What is the street name for angiostrongylus vasorum?

    <p>French heartworm</p> Signup and view all the answers

    Who is/are the final host of Angiostrongylus vasorum?

    <p>Foxes preferred, older hunting dogs susceptible</p> Signup and view all the answers

    Who is IH for Angiostrongylus vasorum?

    <p>Snail</p> Signup and view all the answers

    What is the PPP for angiostrongylus vasorum?

    <p>28-108 days</p> Signup and view all the answers

    What is the LC of Angiostrongylus vasorum?

    <p>Indirect, infective L3 in snail</p> Signup and view all the answers

    What is the predilection site of Angiostrongylus vasorum?

    <p>Pulmonary arteries</p> Signup and view all the answers

    What is the pathogenesis of Angiostrongylus vasorum ?

    <p>Pulmonary disease and cardiac failure</p> Signup and view all the answers

    Both foxes and dogs are usually okay with infection of Angiostrongylus vasorum

    <p>False</p> Signup and view all the answers

    How do you diagnose a patient with Angiostrongylus vasorum?

    <p>Baerman, L1 with kinked tail</p> Signup and view all the answers

    Who are the FH for Crenosoma vulpis?

    <p>Foxes preferred, older hunting dogs susceptible</p> Signup and view all the answers

    What is the PPP for Crenosoma vulpis?

    <p>19 days</p> Signup and view all the answers

    Where is the predilection site and pathogenesis of Crenosoma vulpis?

    <p>Bronchi, dry non productive cough</p> Signup and view all the answers

    What is the LC of Crenosoma vulpis?

    <p>Indirect, infective L3 in snail</p> Signup and view all the answers

    How do you diagnose a patient with Crenosoma vulpis?

    <p>Baerman, L1 with STRAIGHT tail</p> Signup and view all the answers

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