Bovine Foot and Mouth Disease Flashcards

1
Q

what viral family does FMD belong to

A

picornaviridae

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2
Q

what type of virus is FMD

A

RNA
Naked

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3
Q

what is the defining characteristic of FMD

A

vesicular mucosal lesions in ruminants and swine

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4
Q

in what species is FMD refractory

A

horses

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5
Q

which species may not become infected but can act as a host

A

horses
wildlife

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6
Q

true or false:
FMD is a notifiable disease

A

true

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7
Q

what is used to control FMD from spreading

A

strict regulations and surveillance

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8
Q

what is the importance of recognizing FMD has several serotypes

A

it impacts diagnosis and vaccination

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9
Q

true or false:
FMD has a high mortality and a high morbidity

A

false
mortality = low
morbidity = high

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10
Q

what is the biggest impact of FMD

A

slow recovery = loss of production

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11
Q

why are vaccines not effective with FMD

A

continuous antigenic drift and they are only serotype specific

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12
Q

what is the incubation time

A

2-8 days

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13
Q

what are the first clinical signs

A

fever
anorexia
depression
marked drop in milk production

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14
Q

what appears after 24 hours of infection

A

drooling
vesicle formation

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15
Q

how does FMD affect a calf less than 6 months of age

A

death by myocarditis

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16
Q

true or false
abortion may occur but because of fever and not the virus

A

true

17
Q

what is the first sign of FMD in pigs

A

lameness

18
Q

what is the main routes of transmission

A

inhalation of droplets
infected/contaminated food
bad vaccines
semen or fomites

19
Q

true or false:
due to it’s viremic nature, there is excretion of the virus 24 hours before the onset of clinical signs

A

true

20
Q

true or false:
there is viral persistence in the pharynx of the cow

A

true

21
Q

what are the other differential diagnoses

A

vesicular stomatitis

22
Q

what are the tests used to diagnose FMD

A

antigen ELISA
RT-PCR