Lumpy jaw is a chronic infectious condition which affects cattle. It is caused by the anaerobic filamentous bacteria [[Actinomyces bovis|''Actinomyces bovis'']]
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Lumpy jaw is a chronic infectious condition which affects cattle. It is caused by the anaerobic filamentous bacteria [[Actinomyces bovis|''Actinomyces bovis'']]
==Signalment==
==Signalment==
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The condition affects cattle 2-5 yrs old, those that are exposed to sharp objects whilst feeding and when teeth are erupting.
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The condition affects cattle 2-5 yrs old, those that are exposed to sharp objects whilst feeding and when the teeth are erupting. It is found worldwide but is most prevelent in Western and mid-western states of the USA.
==Diagnosis==
==Diagnosis==
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* Andrews, A.H, Blowey, R.W, Boyd, H and Eddy, R.G. (2004) '''Bovine Medicine''' (Second edition), ''Blackwell Publishing''
* Andrews, A.H, Blowey, R.W, Boyd, H and Eddy, R.G. (2004) '''Bovine Medicine''' (Second edition), ''Blackwell Publishing''
*Seen mainly in cattle and exotics caused by ''[[Actinomyces bovis]]'' producing [[Bones Inflammatory - Pathology#Osteomyelitis|osteomyelitis]] of mandible.
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*Mostly young animals.
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*Will not heal without treatment and jaw enlarges until animal cannot eat.