Nematodes Flashcards
Ancylostoma caninum.
Host?
Site of infection?
Other buzz words?
hookworm
dogs
SI
transmammary, anemia
A. tubeformae
Host?
Site of infection?
Other buzz words?
hookworm
cats
SI
CATS
A. braziliense
Host?
Site of infection?
Other buzz words?
hookworm
dogs and cats
SI
ZOONOTIC, cutaneous larval migrans
Uncinaria stenocephala
Host?
Site of infection?
Other buzz words?
hookworm
dogs and cats
SI
interdigital dermatitis, Northern
Strongylus vulgaris
Host?
Site of infection?
Other buzz words?
large strongyle
horses
A: LI; L: VESSELS: ileocolic, cranial mesenteric
most path larvae of Lg strongyles (still concerned about the path adults though!), 6mo PPP
Strongylus equinus
Host?
Site of infection?
Other buzz words?
large strongyle
horses
A: LI; L: pancreas
anemia, hemorrhagic tracts, 9mo PPP
Strongylus edentatus
Host?
Site of infection?
Other buzz words?
large strongyle
horses
A: LI; L: liver
anemia, 11mo PPP
cyathostomins
Host?
Site of infection?
Other buzz words?
small strongyles
horses
A: LI lumen; L: LI mucosa
SEE HORSE, THINK SMALL STRONGYLE; arrested devel/synchronized em, diarrhea, RESISTANCE
Oesophogostomum
Host?
Site of infection?
Other buzz words?
nodular/pimply worm
cattle, sheep, goats, PIGS (O. dentatum)
A: LI lumen; L: L4 arrested in LI&SI mucosa
“poor sow syndrome” together with Hyostrongylus
Syngamus trachea
Host?
Site of infection?
Other buzz words?
Gapeworm
fowl
trachea, lungs
gasping for air
Ostertagia ostertagi
Host?
Site of infection?
Other buzz words?
brown stomach worm cattle abomasum Moroccan Leather, Type I&II SEE COW, THINK OSTERTAGIA
Teladorsagia circumcincta
Host?
Site of infection?
Other buzz words?
brown stomach worm
sheep and goats
abomasum
ostertagia of sheep and goats, PPR
Hyostrongylus rubidus
Host?
Site of infection?
Other buzz words?
stomach worm of pigs
pigs
stomach
“poor sow syndrome” together with Oesophagostomum
Haemonchus contortus
Host?
Site of infection?
Other buzz words?
barber pole worm sheep and goats abomasum anemia, bottle jaw, build up on pasture, grazing season, PPR, RESISTANCE, FAMACHA WHEN SEE SHEEP/GOATS THINK HAEMONCHUS
Haemonchus placei
Host?
Site of infection?
Other buzz words?
barber pole worm
cattle
abomasum
less path, resistance
Trichostrongylus
Host?
Site of infection?
Other buzz words?
cattle, sheep, goats, horses
abomasum/stomach, SI
diarrhea, malnourished/stressed animals
Cooperia
Host?
Site of infection?
Other buzz words?
“watch spring”
ruminants
SI
most common nematode of young cattle, watery diarrhea, clean environment
Dictyocaulus viviparous
Host?
Site of infection?
Other buzz words?
lungworm
cattle
bronchi, trachea
adult: straight tail, wet pasture, immunity
Dictyocaulus filaria
Host?
Site of infection?
Other buzz words?
lungworm
sheep and goats
bronchi, trachea
less path than D. viviparous
Dictyocaulus arnfieldi
Host?
Site of infection?
Other buzz words?
lungworm
donkeys
bronchi, trachea
donkeys immune, fatal to horses
Metastrongylus
Host?
Site of infection?
Other buzz words?
lungworm pigs bronchi, bronchioles "Met a 'free-range' pig at the market" free rang = earthworm IH larve have kinked tail
Mullerius
Host?
Site of infection?
Other buzz words?
lungworm
sheep, goats; IH molluscs
lung tissue
“lead shot”
P. tenuis
Host?
Site of infection?
Other buzz words?
meningeal worm
white-tailed deer; IH molluscs; AH equine
in AH larvae invade nervous tissue => neuro disease
deer immune
Aelurostrongylus abstrusus
Host?
Site of infection?
Other buzz words?
lungworm
cats; IH snail/slug; PH birds/rodents/frogs
lung tissue
“ae” remember it’s cats like tubeform”ae”
Filaroides (Oslerus) osleri & Angiostrongylus
Host?
Site of infection?
Other buzz words?
tracheal worm
dogs and foxes
trachea, lungs – pulm arteries
transmitted in sputum; mom –> pups
Strongyloides stercoralis
Host?
Site of infection?
Other buzz words?
threadworm dogs and cats SI zoonotic, breeding/kennels frenzy
Strongyloides westeri
Host?
Site of infection?
Other buzz words?
threadworm horses SI control when treat for Parascaris equorum frenzy
Strongyloides papillosus
Host?
Site of infection?
Other buzz words?
threadworm
sheep, goats, cattle
SI
frenzy
Strongyloides ransomi
Host?
Site of infection?
Other buzz words?
threadworm swine SI PPP 2d, neonates die b4 eggs in feces frenzy
Toxacara canis
Host?
Site of infection?
Other buzz words?
roundworm, ascarid
dogs
SI
pot belly, zoonotic: visceral & occular larval migrans, hepatic tracheal migration
Toxacara cati
Host?
Site of infection?
Other buzz words?
roundworm, ascarid
cat
SI
less zoonotic, hepatic tracheal migration
Toxascaris leonina
Host?
Site of infection?
Other buzz words?
roundworm, ascarid
dogs and cats
SI
common, less path, hepatic tracheal migration
Parascaris equorum
Host?
Site of infection?
Other buzz words?
roundworm, ascarid
horses
SI
hepatic tracheal migration, tmnt also covers S. westeri
Ascaris suum
Host?
Site of infection?
Other buzz words?
roundworm, ascarid
pigs, PH: earthworm, dung beetle
SI
“milk spots, white spots” on liver, has a “fuzzy”a ascarid egg, zoonotic, hepatic tracheal migration
Baylisascaris procyonis
Host?
Site of infection?
Other buzz words?
roundworm, ascarid
raccoons; AH: dogs
SI
ZOONOTIC; HIGH visceral larval migrans
Ascaridia (order?)
Host?
Site of infection?
Other buzz words?
Heterakoidea - roundworms
chickens, other fowl; PH: earthworms
SI
think Toxascaris in chickens
Heterakis gallinarum
Host?
Site of infection?
Other buzz words?
poultry cecal worm
chickens and turkeys
LI = cecum
generally non path; transmits HISTOMONAS (“BLACKHEAD”) in turkeys!