An infectious disease caused by the gram-negative coccobacilli[[Actinobacillus lignieresii]]. Characterised by inflammation of the soft tissues of the head especially the tongue and pharangeal lymph nodes of cattle and sheep.
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Usually due to direct penetration into tongue of cattle
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*In cattle - very widespread in world, but rather sporadic, less common now than it was.
*In cattle - very widespread in world, but rather sporadic, less common now than it was.
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*Also called '''Actinobacillosis'''
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*Caused by ''[[Actinobacillus lignieresii]]''
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*Usually due to direct penetration into tongue of cattle
*Small granulomatous lesions containing 'sulfa granules' of large numbers of gram-negative rods
*Small granulomatous lesions containing 'sulfa granules' of large numbers of gram-negative rods