Exam III - Strongyloides papillosus Flashcards
Who is/are the host(s) for Strongyloides papillosus?
cattle, sheep and goat
what are the modes of transfer for Strongyloides papillosus?
PO, PC & transmamaory
what stage and test is used to Dx Strongyloides papillosus?
flotation for L1 in the egg found in feces keep in mid that Strongyloides spp eggs hatch quickly so a baermann may be used to look for L1.
what is the PPP and the result of its short time frame for Strongyloides papillosus?
ppp= 2- 14 days = fast build up on the pasture
Strongyloides papillosus is a thred worm so a defining charateristic of its morpholgy will be what?
its esophagus will occupies 1/3 of its body.
what is the typical age group that is infected by Strongyloides papillosus & what is the age groupp that CS’s are most commonly seen?
young animals for both groups.
Strongyloides spp. are different from most other parasites because they have a homogonic phase. what does that mean for this parasite?
Only adult female are found thin the host’s small intestine where they lay eggs.
the males and immiture females live in the environment and mate there b4 females are ingested
NOTE: heterogonic phase refers to the enviromental living.
Prenatal transmission is possible in Strongyloides papillosus; S. stercoralis; S. ransomi; & S. westeri.
False
- not possible with S. westeri (horse) all others can have prenatal transmission
Strongyloides papillosus adults site of infection is?
What do they look like?
Small intestine
thread-like (threadworm) and < 1 cm long
what is the most common mode of transmission for Strongyloides papillosus?
transmammary
Strongyloides spp. can arrect in_____ tissue if enviromental condition are less favorable as L3?
what stage is the infective stage?
somatic tissue
L3
what are the clinical signs associated with Strongyloides papillosus?
in large #’s the Females in the small intestine can cause inflammation and lead to diarrhea,dullness & wt loss.
with heavy transmammary infection _____ can occure in piglets. (S. ransomi)
death
