- Actinomycosis in animals
Actinomycosis in animals is caused by "
Actinomyces bovis" (whereas human infections are usually due to "A. israelii").It is a quite common condition in cattle, where it is referred to as "lumpy jaw" (english) or "senfed" (
moroccan arabic ).But it can also occur in
horses ,swine , anddogs (rarely insheep ).In all these species, it results in cold abcess, with granulomatous formations on the fistulised place.
Actinomycosis in cattle
It is a common conditions in weaned calves and young bulls and heifers.
The disease has a chronical course, and the general condition can remain quite good.
There is a swelling of the
maxilla andmandible . Fistulisation occurs after some days, leaving a thick, yellowish, non-odorouspus , with mineralised, 2 to 5 mm grains therein.Later on, a granuloma will form on the place of fistulisation.
The bony lesions are followed by
periostitis , with permanent deformation of the facial bones.External links
* [http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/50200.htm Description of the disease in the Merck Veterinary Manual]
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