Exotic Dx Flashcards
dx not and no longer present
exotic dx
results from prion infxn
BSE (bovine spongiform encepalopathy)
other term for BSE
Creutzfeldt-Jacobson syndrome
incubation period of BSE
2-8 yr
BSE clinical sign are observed only when ___________
mature (2-8 yr)
BSE CFR
100%
associated with meat and bone meal
BSE
after ingestion, prions replicate in _____________
Peyer’s patch
BSE clinical exam
bang, flash, clipboard, stick
gold standard for surveillance for BSE
immunohistochemistry
BSE tx
none (euthanasia)
T/F: downer cows are not fit for consumption
T
other term for ovine enzootic abortion
Chlamydophila abortion
etio of ovine enzo abortion
Chlamydophila abortus
main source of ovine enzo abortion
birthing fluid, placenta (high shedding during parturition)
if non-preggy = ________ infxn
latent
if preggy = _________ infxn
persistent
ovine enzo abortion is more common in ___________ stage of pregnancy
late
ovine enzo abortion definitive diagnosis
bacterial culture
for surveillance of ovine enzo abortion
ELISA
other term for Johne’s dx
paratuberculosis
etio agent of Johne
Mycobaterium avium ss. paratuberculosis
incidence of Johne is high in ____________
intensive systems
Johne is primarily shed via ________
feces
primary MOT of Johne
nursing
T/F: Johne do not show CS until mature
T
age risk factor of Johne
animals under 30 d/o
zoonotic implication of Johne
Crohn’s - enteritis in humans
stages of Johne
1 - silent infxn
2 - inapparent mastitis, infertility
3 - clinical dx; loss of BW, low milk pdtn, diarrhea
4 - advanced, most obvious
most reliable diagnostic test because of 100% specificity and sensitivity
fecal culture
Johne tx
none
most pathogenic viral dx of small rumi
Nairobi sheep dx
etio agent of Nairobi
Gamjam virus NSDV
Nairobi vectors
- R. appendiculatus - main
- Amblyomma variegatum
main organ affected of Nairobi
abomasum (zebra stripes)
Nairobi tx
none
etio agent of q fever (humans), coxiellosis (animals)
Coxiella burnetti
T/F: q fever is a bioterrorism weapon
T
main reservoirs of q fever except in NZ
cattle, sheep, goat
caused with prion and same with mad cow dx
scrapie
etio agent of vesicular stomatitis
vesiculovirus, fam Rhabdoviridae
most susceptible to vesicular stoma
cattle
vesicular stoma MOT
biologically transmitted via flies (also associated w/ bodies of water)
gold standard diagnosis for vesicular stoma
virus isolation