Cat and Dog Trematodes

Question 1

Paragonimus kellicotti

Answer 1

indirect life cycle
2 intermediate hosts- first always a snail
large operculated egg
use sedimentation test
lung fluke
meaty part of lungs get cysts
coughing and pneumonia
second intermediate host is crayfish
PPP 10 weeks

Question 2

Alaria spp

Answer 2

indirect life cycle
2 intermediate hosts- first always a snail
large operculated egg
use sedimentation test
intestinal fluke
in small intestine
nonpathogenic
second intermediate host is tadpole
PPP 5 weeks

Question 3

Nanophyetus salmincola

Answer 3

indirect life cycle
2 intermediate hosts- first always a snail
large operculated egg
use sedimentation test
salmon poisoning fluke
small intestine
second intermediate host salmon
PPP 1 week
only pathogenic in dogs
fever, diarrhea, vomitting, enteritis, death
transmits neorickettsia helmintheaca–> causes the symptoms

Question 4

Platynosomum fastosum

Answer 4

indirect life cycle
2 intermediate hosts- first always a snail
large operculated egg
use sedimentation test
lizard poisoning fluke
second intermediate host is crustacean
paratenic host is lizard or frog--> obligatory
PPP 3 months
only in cats
causes icteric, jaundice
found in bile ducts
diarrhea, vomitting, hepatomegaly