PrevMed3- Senecavirus

  1. The clinical signs of Senecavirus are indistinguishable for any of the 4 foreign animal swine vesicular diseases, which include...
    • vesicular exanthema
    • vesicular stomatitis
    • foot and mouth disease
    • swine vesicular disease
  2. What are the microbial properties of senecavirus? (3)
    • non-enveloped
    • ssRNA virus
    • Picornaviridae (same as FMD, SVDV)
  3. What are the gross lesions of senecavirus (and thus the same gross lesions as the other vesicular diseases)? (4)
    • multifocal, round, discrete, erosive and/or ulcerative lesions on distal limbs (esp around coronary bands)
    • crusting and sloughing of hoof wall
    • lameness
    • fluid-filled vesicles and ulcers in and around oral mucosa, snout, nares
  4. Is senecavirus zoonotic?
  5. What country has historically had many issues/ outbreaks of senecavirus?
  6. What do you do if you find vesicles on a pig?
    • contact SAHO or AD in state where the premises are located
    • provide detailed information or when/ where the animals are expected to be slaughtered
    • inform slaughter plant that there has been a resolved FAD investigation (otherwise it will trigger a new investigation)
  7. How do you detect senecavirus in a group of pigs during recovery?
    virus isolation on oral fluids (virus found in oral fluids for up to a month after initial event)
  8. What can be the first sign of a senecavirus outbreak?
    higher than expected pre-weaning mortality in neonatal pigs (<7 days old)--> look for vesicular lesions on adults
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PrevMed3- Senecavirus
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