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Picornaviridae genome
ssRNA+
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Picornaviridae viruses
- Foot & mouth disease
- Swine vesicular disease virus
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Does Foot & mouth disease cause abortions?
yes
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Foot & mouth disease viral persistence in
cattle
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myocarditis, abortions, lesions in mouth, lameness
foot & mouth disease
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Diseases caused by Feline Calicivirus
- feline upper respiratory disease-complex
- ulcerative glossitis
- Transient arthritis
- Virulent FCV – hemorrhagic disease
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Vesicular Exanthema (swine) is in what viral family
Caliciviridae
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From feeding garbage to swine
Vesicular Exanthema (swine)
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polyprotein translation & cleavage in which virus family
picornaviridae
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Arteriviridae genome
ssRNA+
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Viruses in Arteriviridae
- Equine Viral arteritis
- PRRS
- Simian hemorrhagic fever
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replicates in alveolar macrophages & endotheliotrophic
arteriviridae
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cyanosis of ears, snout, tail, vulva (pigs)
PRRS
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Arteriviridae causes what kinds of diseases?
- respiratory, reproductive
- organ failure (infarction/necrosis)
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What species do Arteriviridae infect?
- swine
- horses
- rodents
- primates
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70-90% seroprevalence in Standardbreds
Equine Viral Arteritis
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Parvoviridae viruses
- canine parvovirus 1 & 2
- feline parvovirus
- aleutian disease of mink
- porcine parvovirus
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Porcine parvovirus causes
reproductive losses
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Circoviridae viruses
- Chicken anemia virus
- Psittacine beak & feather disease
- Porcine circovirus
- canine circovirus
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Porcine circovirus causes
dermatitis, multisystemic wasting, reproductive failure
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Parvo & Circo genome
ssDNA
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Coronaviridae viruses of swine
- Transmissible gastroenteritis virus
- porcine respiratory coronavirus
- Porcine hemagglutiating encephalomyelitis virus
- porcine epidemic diarrhea virus
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Transmission of PHEV
inhalation of respiratory secretions
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PHEV replicates in
tonsils, nasal mucosa, lungs, small intestines
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PHEV causes
vomiting & wasting in young pigs, neurologic disease
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Bovine Respiratory Coronavirus is associated with
summer pneumonia cases
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Infectious Bronchitis in chickens belongs to what viral family
Coronaviridae
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Infectious Bronchitis in chickens causes
- acute respiratory disease
- nephritis
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severe vasculitis & leakage is associated with this form of FIP
wet form
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FIP is a mutation of
FECV - feline enteric coronavirus
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Canine Coronavirus has two forms
enteritis & respiratory
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Coronaviridae genome
ssRNA+
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Diseases of BHV-1
- Infectious Bovine Rhinotracheitis
- Conjunctivitis
- Infectious pustular vulvovaginitis
- Abortion
- neonatal disease
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Diseases caused by EHV-1&4
- Rhinopneumonitis
- abortions
- neurologic disease
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Disease caused by EHV-3
Equine Coital Exanthema
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Pseudorabies causes
- abortions
- respiratory/generalized disease
- neurologic disease
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Causes fading puppy syndrome
Canine herpesvirus-1
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turkey egg kidney
canine herpesvirus-1
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Avian herpesviruses
- Gallid herpesvirus-1
- Gallid herpesvirus-2
- Anatid herpesvirus
- Psittacine herpesvirus-1
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causes Infectious laryngotracheitis
Gallid herpesvirus-1
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Causes Marek's disease
Gallid herpesvirus-2
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causes Pacheco's disease
psittacine herpesvirus-1
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Suid herpesvirus-2 is in what genus
betaherpesvirinae
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ovine herpesvirus-2 is in what genus
Gammaherpesvirinae
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causes malignant catarral fever in North america & europe
ovine herpesvirus 2
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ovine herpesvirus 2 affects
cattle, deer, bison
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Herpesviral meningoencephalitis is caused by
BHV-5
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Herpesviral encephalomyelitis in horses is caused by
endothelial cell associated viremia = damage
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genus of Herpesviridae that replicates slowly and has a highly restricted host range
betaherpesvirinae
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Rhabdoviridae genome
ssRNA-
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Non-enveloped RNA viruses
- Reoviridae
- Picornaviridae
- Caliciviridae
- (birna & astro)
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Reoviridae genome
dsRNA SEGMENTED
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Rotavirus causes neonatal diarrhea in these species (7)
- cattle
- sheep
- pigs
- horses
- rabbits
- rodents
- humans
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arthropod borne virus that causes vasculitis, edema, hemorrhage
Orbiviruses
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Orbiviruses (4)
- Bluetongue virus
- Epizootic Hemorrhagic Disease
- African Horse Sickness
- Colorado Tick Fever
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common theme of Orbiviruses
vasculitis, edema, hemorrhages
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Alphaherpesviral diseases affect these systems
- respiratory
- reproduction
- neonatal
- ocular
- neuro
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EHV-1 does not cause what disease?
ocular
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EHV-3 only causes what disease?
reproductive
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EHV-4 causes disease in what two systems?
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CHV-1 causes disease in all but this system
neuro
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FHV-1 causes disease in all but these two systems
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BHV-1 does not cause disease in this system but BHV-5 does
neuro
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intermediate hosts for pseudorabies (7)
dogs, cattle, sheep, goats, cats, raccoons, rodents, etc.
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Pseudorabies is transmitted by
saliva (inhalation, ingestion, bite wounds)
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Pathogenesis of pseudorabies
- latent in cr. n ganglia
- viremia & spread to repro & respiratory
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clinical signs of malignant catarrhal fever
profuse mucopurulent nasal discharge, corneal edema, gastric enteritis, pneumonia
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Canine parvovirus 1 causes
- interstitial pneumonia in puppies
- fetal death, abortions
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this virus can be transmitted from hens to eggs
Chicken anemia virus
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causes post weaning wasting syndrome in pigs
porcine circovirus
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Coronavirus that causes vomiting and wasting in young pigs
Porcine Hemagglutinating encephalomyelitis virus
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This is a mutant of Transmissible gastroenteritis virus and causes respiratory symptoms
Porcine respiratory coronavirus
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