Nematodes of the urinary system Flashcards
Superfamily Trichuroidea
Pearsonema spp
Superfamily Dictophymoidea
Dictophyma renale
giant kidney worm of dogs
How dogs or cats get a Pearsonema infection?
Ingests worm, paratenic host, material containing earthworm material
Where does the Pearsonema larva migrate to?
The bladder and then lay eggs after 2 months
How does a dog get a Dioctophyma infection
Ingesting an aquatic annelid (fish/frog)
Where do the Dioctophyma larvae migrate to?
Through the liver to the kidney
Lay eggs after 4-5 months
Superfamily Strongyloides
Stephanurus dentatus
How do pigs get a stephanurus dentatus infection?
Ingestion of free L3 stage larvae
Ingestion of earthworm carrying L3
What happens at L3?
Skin penetration
What happens to stephanurus dentatus larvae after migration?
They encyst and lay eggs through a hole
What is the prepatent period for Stephanurus dentatus?
6-19 months