Papular stomatitis
The stomatitis Papulosa is a common, occurs worldwide, benign viral infection in cattle that are in the form of papules of the oral mucosa , which disintegrate expresses ulcerated and heal spontaneously within one to two weeks. The disease can be transmitted to humans through contact with infected cattle, so it is a zoonosis , although this only occurs very rarely. Its importance lies primarily in the fact that it can be confused with dangerous animal diseases such as mucosal disease or calf diphtheroid . In Germany, the disease was notifiable until 2011 .
Pathogen and occurrence
The causative agent of stomatitis papulosa is the Parapoxvirus bovis 1 , belonging to the group parapoxviruses within the poxvirus belongs and the closely related to the virus of the udder smallpox is used.
The disease occurs worldwide. Most affected are calves and young cattle up to the age of two years. In the event of an outbreak, all animals in a herd can become ill. Papular stomatitis does not usually cause death. However, when an outbreak occurred in Spain in 1990, the mortality rate was 10%.
Clinical picture
The incubation period is usually only a few days. Viraemia occurs in calves, which manifests itself in mild general disorders and fever. The animals salivate more. Older animals mostly show no general disturbances.
Soon after, 0.5-1 cm papules on the form muzzle or in the oral cavity, the reshuffle after a short time in greyish lesions with reddish yard and disintegrate ulcerated. The erosions heal spontaneously within two weeks. Occasionally, papules or wart-like structures may also develop on the teats , hind legs or scrotum .
The diagnosis can be made on the basis of the clinical picture.
treatment
Treatment is not necessary as the papules heal spontaneously.
Web links
Information from the LMU ( Memento from September 29, 2007 in the Internet Archive )
