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
What are the microbial properties of senecavirus? (3)
- ssRNA virus
- Picornaviridae (same as FMD, SVDV)
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
- fluid-filled vesicles and ulcers in and around oral mucosa, snout, nares
Is senecavirus zoonotic?
What country has historically had many issues/ outbreaks of senecavirus?
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)
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)
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