virology 2 Flashcards
what 4 viruses cause abortion in pigs?
- porcine reproductive and respiratory syndrome virus
- porcine parvovirus
- porcine enterovirus
- porcine herpes virus 1
porcine repro and resp syndrome virus has the highest __ rate with a __ and delayed immune response. The virus is usually found in the __
mutation, weak, thymus
porcine repro and resp virus has most abortions after __ , sows have fevers, and piglets show __ hemorrhage
90 days, SQ hemorrhage
porcine parvovirus most commonly effects the __ pregnancy and transplacental infection __ after infection
1st, 10-24 days
in porcine parvovirus:
<d30 =
30-70d =
>70d =
< d30 = absorption
30-70d = mummy
> 70d = clearance
porcine herpes virus 1 has SMEDI but pigs die at the __ time and occasionally have multifocal __ necrosis. However, its mostly __
same, hepatic, eradicated
canine herpes 1 has __ and ___ transmission and replicates below __ temp with abortion being __
aerosol, inutero, body, uncommon
in canine herpes virus 1 the __ litter is often effected with a __ morbidity and mortality rate
entire, high
what lesion is common with canine herpes virus
multifocal necrosis in multiple organs, and hemorrhage in the kidneys with intracellular inclusions
__ is the only virus that directly affects the fetus in felines
panleukopenia
feline panleukopenia is an in __ infection that results in stillbirths, mummy’s, embryonic death, and infertility with its most common lesions being __ and __
cerebellar hypoplasia and thymic atrophy
in feline herpes __ illness is the reason for abortion
maternal
in feline herpes infection between d42-50 results in what?
vascular thrombosis and infarcts
what virus’s can potentially cause abortion in camelids?
BVDV
EHV 1 and 4
Bluetongue
what samples should you take for an abortion workup?
Fetus or lung, liver, spleen, kidney, brain
placenta is the most important if you can get it
