Swine smallpox is a vesicular condition caused by a virus and mainly transmitted through lice.
Alternative names: poxvirus smallpox
This disease is caused by a poxvirus that survives outside the pig during long periods of time and is resistant to environmental changes.
- Vesicles characterized by small round reddened areas having a diameter of 10 - 20 mm starting as a vesicle containing a yellowish-colored fluid in the center.
- After two or three days the vesicle ruptures and a scab appears that will gradually turn black.
- Injuries can be seen anywhere in the body but are most common along flanks, abdomen and occasionally the ears.
- It can produce a secondary dermatitis.
- Not very common in piglets although it may be congenital.
Causes / Contributing Factors
- It can be spread by lice or scabies.
- Skin abrasions.
- Fights and mixing of pigs.
- Clinical picture with lab tests confirmation.
- There is no treatment.
- Eliminate lice.