Parasit exam 3 Flashcards
roundworm sexes
dioecious
roundworm life cycle
direct
roundworm reproduction
oviparous
most common roundworm
ascarids
domestic animals susceptible for
ascrids
pathognominic of ascarids
pot bellied young
L1 develops in
soil
L2 develops to L3 in
environment/paratenic host
L4 developes to L5 in
final host
infective stage is
L3
Toxocara canis common name
canine roundworm
Toxocara canis host
dog
Toxocara canis geo distribution
WW
Toxocara canis routes of infestation
direct ingestion larva/paratenic (tracheal or somatic migration) transmammary, transplacental
Toxocara canis sites of infestation
adult: small intestines, larva:liver, lung, somatic tissue
Toxocara canis pathogensis
pot bellied puppy, pos intestinal obstructions, enteritis
Toxocara canis DX
adults in vomit, ova in feces
Toxocara canis TX
Ivermectin, Fenbendazole, Pyrantel
Toxocara canis PHS
visceral larval migran, occular larval migran
Toxocara canis report in pt file
Toxocara spp
Toxocara canis report to owner
roundworm
Toxocara canis treat puppies at weeks
2,4,6,8
Toxocara cati common name
cat roundworm
Toxocara cati geo distribution
WW
Toxocara cati routes of infestation
direct ingestion larva, paratenic, transmammary
Toxocara cati routes of infestation
small intestines
Toxocara cati pathogenesis
pot bellied, pos intestinal obstruction, enteritis
Toxocara cati DX
adults in vomit, ova in feces
Toxocara cati TX
fenbendazole, ivermectin, pyrantel
Toxocara cati PHS
VLM, OLM
Toxocara cati report pt file
Toxocara spp
Toxocara cati report to owner
roundworm
Toxocara vitulorum common name
ruminant roundworm
Toxocara vitulorum host
ruminants
Toxocara vitulorum geo distribution
WW but endemic in tropical areas
Toxocara vitulorum routes of infestation
direct ingestion( with tracheal migration), transmammary, transplacental
Toxocara vitulorum site of infestation
small intestines
Toxocara vitulorum pathogenesis
not common, in calves; diarrhea, anorexia, unthriftiness, emaciation
Toxocara vitulorum DX
ova in feces
Toxocara vitulorum TX
fenbendazole, piperazine, milbermycin
Toxocara vitulorum PHS
VLM, OLM
Toxocara vitulorum pt file
Toxocara spp
Toxocara vitulorum report to owner
roundworm
Toxacaris leonina host
dogs and cats
Toxacaris leonina geo distribution
WW, but can withstand cold climates
Toxacaris leonina restricted to what kind of migration?
mucosal migration
Toxacaris leonina routes of infestation
direct ingestion larva or paratenic, no transmammary or transplacental
Toxacaris leonina site of infestation
small intestines
Toxacaris leonina pathogenesis
pot belly, intermittent diarrhea, unthriftiness, coughing, +/- vomiting, obstruction
Toxacaris leonina DX
ova or adult in feces or vomit
Toxacaris leonina PHS
VLM, OLM
Toxacaris leonina TX
fenbendazole, ivermectin
Toxacaris leonina PT file
Toxacaris leonina
Toxacaris leonina report to owner
roundworm
Ascaris suum common name
swine ascarid
Ascaris suum host
swine but can effect neonatal calves and lambs
Ascaris suum paratenic host
earthworm and dung beetle
Ascaris suum geo distribution
world wide
Ascaris suum routes of infestation
direct ingestion or paratenic host with tracheal migration
Ascaris suum site of infestation
small intestines
Ascaris suum pathogenesis
very pathogenic, condemn organs, destruction to liver and lungs, diarrhea, stunted growth, thumps
Ascaris suum DX
ova in feces
Ascaris suum TX
fenbendazole, ivermectin, piperazine
Ascaris suum PHS
VLM especially tracheal/chest/pulmonary
Ascaris suum ova can live in soil for
5 years
Ascaris suum pt file
Ascaris suum
Ascaris suum report to owner
roundworm
Parascaris equorum common name
equine ascarid, roundworm
Parascaris equorum host
equids
Parascaris equorum geo distribution
WW
largest horse nematode
Parascaris equorum
Parascaris equorum life cycle
eggs in feces, larva molt to infective stage in egg, eggs ingested and hatch inside horse
Parascaris equorum routes of infestation
direct ingestion with tracheal migration, contaminated teats
Parascaris equorum site of infestation
small intestines
Parascaris equorum pathogenesis
unthirftiness, pot belly, anorexia, colic, cough, diarrhea
Parascaris equorum DX
ova in feces, adult in sputum
Parascaris equorum TX
ivermectin, fenbendazole, pyrantel
Parascaris equorum PHS
none
Parascaris equorum pt file
Parascaris equorum
Hookworms need migration to
progress to adult stage
hookworms signs of infestation
anemia, hematachezia
ways to control hookworms
sodium borate, bleach, deworming
hookworm ova
TASE
hookworm small animal report pt file
hookworm
hookworm small animaltell owner
hookworm
hookworm large animal pt file
TASE
hookworm large animal tell owner
strongyle
Ancylostoma caninum common name
dog hookworm
Ancylostoma caninum geo distribution
south US, midwest, tropic and subtropics
Ancylostoma caninum route of infestation
direct ingestion, skin penetration, en utero, transmammary
Ancylostoma caninum sites of infestation
larva: cutaneous,GI tract adult: small intestines
Ancylostoma caninum pathogenesis
anemia, dermatitis, hematachezia, enteritis, adults secrete anti-coagulate
Ancylostoma caninum DX
ova in feces
Ancylostoma caninum TX
fenbendazole, ivermectin, milbemycin
Ancylostoma caninum PHS
CLM
Ancylostoma caninum pt file
hookworm
Ancylostoma caninum tell owner
hookworm
Ancylostoma braziliense common name
dog and cat hookworm
Ancylostoma braziliense host
dog cat
Ancylostoma braziliense geo distribution
ww, mainly florida and costal SE US
Ancylostoma braziliense site of infestation
small intestines
Ancylostoma braziliense route of infestation
direct ingestion, skin penetration, transmammary, transplacental
Ancylostoma braziliense pathogenesis
dermatitis, enteritis, melena, anemia
Ancylostoma braziliense DX
ova in feces
Ancylostoma braziliense TX
fenbendazole, ivermectin, milbectin
Ancylostoma braziliense PHS
CLM
Ancylostoma braziliense pt file
hookworm
Ancylostoma braziliense tell owner
hookworm
Ancylostoma tubaeformae common name
feline hookworm
Ancylostoma tubaeformae host
cat
Ancylostoma tubaeformae geo distribution
WW, SE coastal regions of US
Ancylostoma tubaeformae site of infestation
small intestine
Ancylostoma tubaeformae pathogenesis
dermatitis, anemia, enteritis, melena
Ancylostoma tubaeformae DX
ova in feces
Ancylostoma tubaeformae TX
fenbendazole, ivermectin, milbemycin
Ancylostoma tubaeformae PHS
CLM
Ancylostoma tubaeformae pt file
hookworm
Ancylostoma tubaeformae tell owner
hookworm
Uncinaria stenocephala common name
cold weather hookworm
Uncinaria stenocephala host
dogs and cats
Uncinaria stenocephala geo distribution
WW, northern temperate zones
Uncinaria stenocephala routes of infestation
direct ingestion,skin penetration, transmammary, en utero
Uncinaria stenocephala site of infestation
small intestines
Uncinaria stenocephala pathogenesis
anemia, dermatitis, enteritis
Uncinaria stenocephala DX
ova in feces
Uncinaria stenocephala TX
Fenbendazole, Ivermectin, Milbemycin
Uncinaria stenocephala PHS
CLM
Uncinaria stenocephala pt file
hookworm
uncinaria stenocephala tell owner
hookworm
Ancylostoma duodenale host
humans
Ancylostoma duodenale geo distribution
WW, part of US, caribbean, south america, unsanitary, moist, humid areas
Bunostomum spp common name
tichostrongyles of cattle and sheep
Bunostomum hosts
Plebotomum: cattle, trigonocephalum: sheep
Bunostomum geo distribution
WW
Bunostomum route of infestation
direct ingestion, skin penetration
Bunostomum site of infestation
small intestines, abomasum
Bunostomum pathogenesis
anemia, scours, enteritis, dermatitis
Bunostomum DX
ova in feces
Bunostomum TX
Ivermectin, Benzimidazole, Levamsole
Bunostomum PHS
CLM
Bunostomum pt file
TASE
Bunostomum tell owner
strongyle