Swine vesicular disease
|Swine vesicular disease virus|
|Group:||Group IV ((+)ssRNA)|
|Species:||Human enterovirus B|
Swine vesicular disease virus
Swine vesicular disease (SVD) is an acute, contagious viral disease of swine caused by the swine vesicular disease virus, an enterovirus. It is characterized by fever and vesicles with subsequent ulcers in the mouth and on the snout, feet, and teats. The pathogen is relatively resistant to heat, and can persist for a long time in salted, dried, and smoked meat products. Swine vesicular disease does not cause economically-important disease, but is important due to its similarity to foot-and-mouth disease.
Swine vesicular disease is most commonly brought into a herd by the introduction of a subclinically infected pig. The disease can be transmitted in feed containing infected meat scraps, or by direct contact with infected feces (such as in an improperly cleaned truck).
- Vesicles in the mouth and on the snout and feet
- Lameness and an unsteady gait, shivering and jerking–type leg movements
- Ruptured vesicles can cause ulcers on limbs and feet, and foot pads may be loosened.
Young animals are more severely affected. Recovery often occurs within a week. There is no mortality.
Prevention and control
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There is no vaccine for SVD. Prevention measures are similar to those for foot-and-mouth disease: controlling animals imported from infected areas, and sanitary disposal of garbage from international aircraft and ships, and thorough cooking of garbage. Infected animals should be placed in strict quarantine. Eradication measures for the disease include quarantining infected areas, depopulation and disposal of infected and contact pigs, and cleaning and disinfecting contaminated premises.
- "Technical disease card: Swine vesicular disease" (PDF). World Organisation for Animal Health. 2013. Retrieved 2017-07-16.
- Maclachlan, NJ; Dubovi, EJ, eds. (2010). "Swine vesicular disease virus". Fenner's Veterinary Virology (5th ed.). Academic Press. pp. 489–90. ISBN 9780128011706.
- Murphy, FA; Gibbs, PJ; Horzinek, MC; Studdert, SJ (1999). "Swine vesicular disease". Veterinary virology (3rd ed.). San Diego: Academic Press. p. 523. ISBN 9780080552033.
- Quinn, PJ; Markey, BK; Leonard, FC; Hartigan, P; Fanning, S; Fitzpatrick, ES (2011). Veterinary Microbiology and Microbial Disease (2nd ed.). Hoboken: John Wiley & Sons. p. 685. ISBN 9781118251164.
- Mahy, Brian W.J. (2009). "Swine vesicular disease virus (SVDV)". The dictionary of virology (4th ed.). Amsterdam: Elsevier/Academic Press. p. 459. ISBN 9780080920368.
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