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Virology > Infectious Bovine Rhinotracheitis & Infectious pustular vulvovaginitis > Flashcards

Infectious Bovine Rhinotracheitis & Infectious pustular vulvovaginitis Flashcards

1
Q

what viral family does IBR belong to

A

herpesviridae

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2
Q

what type of virus is IBR

A

DNA
enveloped

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3
Q

what virus causes IBR

A

bovine herpesvirus 1

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4
Q

what are the clinical signs of IBR

A

fever
depression
anorexia
profuse nasal discharge (serous to mucopurulent)

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5
Q

what part of this disease is hyperemic

A

nasal mucosa

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6
Q

what are the common clinical signs of IBR

A

fetid breath
dyspnea
mouth breathing
salivation
deep bronchial cough

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7
Q

how long does IBR last

A

5-10 days

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8
Q

what can occur at the same time of IBR

A

unilateral or bilateral conjunctivitis

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9
Q

true or false:
abortion can occur but it is rare and happens in late gestation

A

true

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10
Q

what is the focal area of IBR

A

epithelial cell necrosis

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11
Q

true or false:
there is lifelong latent infection and periodic virus shedding with IBR

A

true

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12
Q

in the aborted fetus due to IBR, what gross lesion might appear

A

necrotic foci in the liver

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13
Q

what can be used to diagnose IBR

A

antibody ELISA
PCR

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14
Q

where is IBR of most importance

A

feedlots

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15
Q

how is IBR controlled

A

vaccine but do not prevent infection with BHV1

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16
Q

what is the most common genital disease in dairy cows

A

Infectious Pustular Vulvovaginitis and Balanoposthitis

17
Q

what are some classic clinical signs of Infectious Pustular Vulvovaginitis and Balanoposthitis

A

fever
depression
anorexia
cows stand with legs apart
painful frequent micturition

18
Q

how long does this disease last

A

4-5 days and heals in 2 weeks

19
Q

true or false:
many cases go subclinical or unnoticed

A

true

20
Q

what is the transmission of dairy cow genital disease

A

coitus
artificial insemination

21
Q

true or false:
lifelong latent infection and periodic virus shedding occurs

A

true

22
Q

what should be used to diagnose diary cow STD

A

PCR
Antibody ELISA - confirms infection but cannot determine if animal is currently shedding

23
Q

what is used to control dairy cow STI

A

vaccines - do not prevent infection but they reduce incidence

24
Q

what is the purpose of injecting corticosteroids

A

used to detect and eliminate carrier bulls used in AI

Virology (27 decks)

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