Card Set Information
In order to iosolate a virus using a chicken embryo or cell culture, the sample is first placed in a liquid medium. What must be done next?
Tx with anitiobiots or pass through filter (Must inactivate/remove contamination)
How is Aujezkey Dz in pigs controlled in the US?
What made eradication of Small Pox by Vx possible?
Decreased-no transmissibility of disease from vaccinated people
When should chicken embryos be inoculated in order to isolate a virus?
What causes encephalitis in foxes?
Canine Adenovirus 1
Herpes Ab can be detected using?
Electron microscopy and Ab Response are indicative of Herpes virus infection
When the viral genome persists in the host, the infection is called:
In Marek’s Disease virus infection, what gross lesion is useful in diagnosis?
Virulent strains may emerge by genetic shift or genetic drift in the genome of these viruses
Where does Pox virus replicate?
What virus => Single maculopapular eruption on hand/face, nausea, fever & lymphadenopathy in humans?
Which virus can infect Cats, Cattle, Humans & Zoo Animals (Big Cats)?
What virus has been reported to be transmitted from Prairie Dogs/Exotics to humans?
What virus has a highmorbidty and low mortality in sheep and goats?
What virus is known to infect DVM’s, butchers, farmers & shepherds?
In humans, what virus causes solitary lesion on dorsum of index finger that -> a red-blue papule -> hemorrhagic flat-topped pustules?
What virus causes “Milker’s Nodules?”
In cattle, what virus forms red, crescentic lesions w/ a horseshoe-shaped ring of scabs around it?
What virus is associated with decreased hygiene & louse infestations?
What virus has not vaccine, but is rarely observed in the US pig population?
What virus was introduced to the Australian wild rabbit population and has since decreased in pathogenicity?
What virus forms Bollinger Bodies?
Avian Pox (Inclusion bodies)
What are Bollinger bodies composed of?
Borrel Bodies (virus particles)
What vaccine are currently used for Avian/Fowlpox?
FOWLPOX virus Vx
Pigeonpox virus Vx
Hemorrhage & Necrosis of liver/lung/spleen/kidneys are hallmarks for what virus?
What virus/Vx causes Blue Eye/Corneal Edema?
Infectious Canine Hepatitis
(Canine Adenovirus 1, CAV1)
After natural exposure to the virus, when is Blue Eye observed? After Vx?
: Convalescent Stage
: 8-12 days
What type of vaccine causes Blue Eye?
Atennuated Adenovirus Vx
Arabian Foals with immunodeficiency are susceptible to…
Equine Adenovirus 1
Sentinel Birds are used to detect which virus?
Egg Drop Syndrome
After collection of Sentinel Birds, what test is used to determine Adenovirus exposue?
What virus infects ducks, geese, quail and chickens and remains latent until sexual maturity?
(Egg Drop Syndrome)
What virus => No Shell-Soft Shell?
What virus utilizes Blood, Spleen & Visceral LN to detect virus Ag in pigs?
African Swine Fever
Hemadsoprtion & CPE are used to diagnose pigs recently infected (few days) with what virus?
African Swine Fever
What reportable disease causes splenic lesions in pigs?
African Sine Fever
What viruses causes reproductive failure in pigs?
Porcine Circovirus 2 (PCV 2)
What virus causes Porcine Dermatitis and Nephropathy Syndrome in Pigs?
Procine Circovirus 2
What virus causes Post-weaning Multisystemic Wasting Syndrome?
Procine Circovirus 2
In virus => fibropapillomas that spontaneously regress after 4-6 months?
What virus => fibropapillomas that persist for life, are locally invasive and recur after removal?
Equine Papilloma Virus,
Where does parvovirus replication occur?
What virus requires host cell to be in late S phase or early G2 phase for replication?
Why is it difficult to disinfect areas infected with parvovirus?
+ Rate of Excretion
How does Panleuk => diarrhea?
Villus Tips with the Crypts of Lieberkuhn are shortened (Cell Loss) and become nonabsorptive
In goats, what two viruses have similar Ag’s and must be differentiated using RFLP (Restriction Fragment Length Profile)
What herpes viruses infect horses? Which is the most pathologic?
EHV1 (most pathologic)
Equine Herpesvirus 3
How is Equine Herpesvirus Dx’d?
Type specific PCR amplification of genome fragments
Paired Serum Sample for detection of immune response
What Equine Herpes Virus Vx’s are used for prevention?
Inactivated EHV1 & EHV4 (Combo Vx)
(Live attenuated available, but not as effective)
What virus => C/S, Gasping, Rales, Conjunctivitis, Resp. Distress, Expectoration of Bloody mucus & Reduced Egg Prod in Chickens (+/- turkey and pheasant)?
(Infectious Laryngotracheitis, herpesviridae)
What virus matures to infective stages within the feather follicle?
Which virus is prevented with Vx during egg incubation? At what day is it given?
Marek’s Dz (Herpes virus)