Stomach & Esophageal Worms (6) Flashcards
What is the morphology of ollulanus tricuspis?
small minute worms
What is the name for feline stomach worm?
ollanus tricuspis
What is the biology of ollulanus tricuspis?
direct life cycle
ovoviviparous (eggs develop and hatch larvae within the female worm)
larvae develop to infective stage in stomach
How is ollulanus tricuspis transmitted?
by vomiting infective larvae then to
ingestion by susceptible host
T/F: Ollulanus tricuspis only occurs in cats
FALSE - may be seen in dogs
What is the clinical importance of ollulanus tricuspis?
associated with chronic gastritis in infected felines
Ollulanus tricuspis induces vomiting within _____ to _____ following ingestion
minutes to hours
For ollulanus tricuspis, _______ allows for accumulation of significant worm burdens
autoinfection
How do you diagnose ollulanus tricuspis?
ID worms in vomit
What is the treatment for ollulanus tricuspis?
FBZ (panacure) 50 mg/kg PO, SID, x3 demonstrated efficacy
What is the prevention for ollulanus tricuspis?
identify, segregate, and treat infected animals in household
clean vomitus promptly
What is the canine stomach worm?
physaloptera sp.
What is the morphology for physaloptera?
stout, pinkish worms
13-48 mm
superficially resemble ascarids
have 2 lips instead of 3
circular ring around anterior end
Where do physaloptera occur?
occur in anterior portion of duodenum near gastric valve
What is the lifecycle type for physaloptera?
obligate indirect lifecycle - 1st one, besides tapeworm, we have seen