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