Flukes Flashcards
Platynosomum concinnum common name
Lizard Poisoning Fluke
Platynosomum concinnum
- DH and where it goes
- Region
Cat bile ducts
Florida (tropical)
Platynosomum concinnum egg
operculated, too dense for float, do sedimentation
Platynosomum concinnum Life Cycle
- From bile duct, eggs leave in feces
- first IH - terrestrial snail
- sporocyst ingested by pill bug
- cercariae/pill bug is eaten by lizard/toad
- cercariae encyst in bile duct of lizard
- cat eats lizard
- excyst and migrate to bile duct and mature
fluke life stages
miracidium in egg
becomes sporocyst
cercariae
metacercariae
Platynosomum concinnum infective stage
Cercariae
Platynosomum concinnum prepatent period
8-12 weeks
Platynosomum concinnum clinical signs
normally no severe disease
chronic - liver failure, biliary hyperplasia, inappettance
- lizard poisoning when high number are ingested (lethargy, fever, emaciation, vomiting)
Fluke and egg sizes?
Lizard poisoning: small 4-8mm; 40x30 um, operculated
Lung Fluke: small 7-16mm; LARGE 100x50um operculated nodules on edges
Salmon: tiny 1-2mm; Large 60x50um operculated yellow/brown
Blood: tiny up to 7/9mm; Large 80x50mm NONoperculated. Female fits into male
Alaria: spoon shaped 2-4mm, Large bubbly egg 110x70um operculated
Intermediate hosts of flukes?
Lizard: land snail, lizard +/- pill bug Lung: water snail, crayfish/crab Salmon: water snail, fish Blood: water snail Alaria: water snail, tadpole (other paratenic hosts)
Definitive hosts of flukes?
Lizard: Cat Lung: Cat/Dog (mink, muskrat) Salmon: Cat/Dog (any fish eating mammal) Blood: Dog (bobcat, raccoon) Alaria: CATS/Dog (other mammals)
Paragonimus Kellicotti is the?
Lung Fluke
Lung Fluke scientific name?
Paragonimus Kellicotti
Nanophyetus Salmincola is the?
Salmon poisoning fluke
Salmon poisoning fluke scientific name?
Nanophyetus Salmincola
