09. strongyloides Flashcards
general characteristics of Metastrongylus sp.
bronchi and bronchioles of swine (lung worm)
bursa is well developed
not common in USA
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
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what test for Metastrongylus sp.
fecal float
pig lung worm
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
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treatment and control of Metastrongylus sp.
fenbendazole, ivermectin
limit access to intermediate host- earthworm
clean poop
lung worm in pigs
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
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Protostrongylus rufescens infect
smaller bronchioles of sheep and goats
lung worm of sheep and goats
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
Muellerius capillaris infect what animal
lung of sheep and goat
lung worm
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
Metastrongylus sp. infect
bronchi and bronchioles of pigs
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
characteristics of Protostrongylus refescens
well developed bursa
most cases asymptomatic
smaller bronchioles of sheep and goats
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
characteristics of Muellerius capillaris
well developed bursa
mostly asymptomatic
lung worm of sheep and goats
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
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lifecycle of Protostrongylus rufescens
indirect
no egg- released as L1 larva
intermediate host snail
DH: sheep and goats
same life cycle as Muellerius capillaris
smaller bronchioles of sheep and goats
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
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lifecycle of Muellerius capillaris
indirect
no egg- released as L1 larva
intermediate host snail
DH: sheep and goats
same lifecycle as Protostrongylus rufescens
lung worm of sheep and goat
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
best test for Protostrongylus rufescens
baermann Test
no eggs in stool, poop out L1 larva
plain tail
smaller bronchioles of sheep and goats
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
best test for Muellerius capillaries
baermann test
no eggs, give birth to L1 larva
Same as P. rufescens
lung worm of sheep and goats
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
what does Protostrongylus rufescens larva look like
plain tail
smaller bronchioles worm of sheep and goat
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
what does Muellerius capillaris larva look like
kinded tail with accessory spine
lung worm of sheep and goats
indirect life cycle- give birth to live larva
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
treatment and control of Muellerius capillaris
moxidectin in sheep
epriomectin in goats
limit access to IH (snails)
bronchiole worm of sheep and goats, live larve
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
treatment and control of Protostrongylus sp.
Febendazole
limit access to snails (IH)
lung worm of sheep and goats- live larvae
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
Parelaphostrongylus tenuis infect
deer
brain worm of white tailed deer
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
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general characteristics of Parelaphostrongylus tenuis
asymptomatic in brain of white tailed deer
but if in abnormal host: horse, cattle ect. will be 100% fatal!
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
what are three parasites found in ruminants that give birth to live L1 larva
Muellerius capillaris- small bronchioles of sheep and goat
Protostrongylus spp- (P. rufescens) lung worm of sheep and goat
Dictyocaulus spp(D. viviparus)- cattle lung worm
lifecycle of parelaphostrongylus tenuis
indirect
IH: snails
DH: white tailed deer
no eggs- release L1 larva
L3 move from digestive tract up spinal nerves to the brain
L1 coughed up and swallowed and pooped out
brain worm of white tailed deer
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
diagnosis of parelaphostrongylus tenuis
presumptive- no real test
based off symptoms- neuro issues and exposure to white tailed deer
no treatment
brain worm of white tailed deer
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
aelurostrongylus abstrusus infect
lungs of cats and rarely dogs
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
characteristics of Aelurostrongylys abstrusus
lung worm of cats and sometimes dogs
reduced bursa
most asymptomatic
mild- cough and anorexia
heavy- fatal, cough, dyspnea, polypnea
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
symptoms of Aelurostrongylus abstrusus
most asymptomatic
mild- cough and anorexia
heavy- fatal, cough, dyspnea, polypnea
lung worm of cats +- dogs
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
lifecycle of Aelurostrongylus abstrusus
indirect
no egg- live larva
IH (snail)
paratenic host (birds and mice) or ingest L3 larva
grow in lungs
lung worm of cats and *dogs
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
test for Aelurostrongylus abstrusus
baermann test- live L1 in poop
S shaped curve and dorsal spine
lung worm of cats
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
what do L1 of Aelurostrongylus abstrusus look like
severe kink- S shaped
dorsal spine
lung worm of cats- live L1
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC
what are four L1 found in poop of cats and dogs
Crenosoma vulpis- bronchioles, trachea of dogs, foxes, wolf, racoon and wild carnivors
Angiostrongylus vasorum- pulmonary arteries and lung of dogs, coyotes and foxes
Filaroides spp.- canine tracheal and bronchial nodular worm
Aelurostrongylus abstrusus- cat and dogs lung worm
treatment of Aelurostrongylus abstrusus
fenbendazole + prednisone (lung lesions)
limit access to IH(snails)
PH (mice and birds)
lung worm of cats and * dogs
Metastrongylus: Meta, aeluro abstrusus, angio, Proto refescens, parelaph tenuis, muellerius capillaris, filaroides, crenosoma vulipis
MAAPPMFC