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*Very similar to [[Teeth - Pathology#Mandibular Osteomyelitis|Mandibular Osteomyelitis]] ("lumpy jaw").   
 
*Very similar to [[Teeth - Pathology#Mandibular Osteomyelitis|Mandibular Osteomyelitis]] ("lumpy jaw").   
   −
*'''Causal agent''': [[Actinobacillus lignieresi]] (small gram -ve) gets into [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]] via small abrasions.   
+
*'''Causal agent''': [[Actinobacillus lignieresii]] (small gram -ve) gets into [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]] via small abrasions.   
 
**Pathogen is very widespread in environment.
 
**Pathogen is very widespread in environment.
 
*Progressive disease - low virulence but high persistence so animal may stop eating and eventually die but can be treated.
 
*Progressive disease - low virulence but high persistence so animal may stop eating and eventually die but can be treated.
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=====Other sites=====
 
=====Other sites=====
 
*Occasionally can see generalised infections but more commonly spreads to local lymph nodes of [[Alimentary - Anatomy & Physiology|alimentary tract]].
 
*Occasionally can see generalised infections but more commonly spreads to local lymph nodes of [[Alimentary - Anatomy & Physiology|alimentary tract]].
*Organism can be inhaled causing [[actinobacillus pneumonia]].
+
*Organism can be inhaled causing [[Actinobacillus lignieresii|actinobacillus pneumonia]].
 
*Can affect [[The Rumen - Anatomy & Physiology|rumen]] wall.
 
*Can affect [[The Rumen - Anatomy & Physiology|rumen]] wall.
 
*In skin forms a neoplastic like mass in dermis.
 
*In skin forms a neoplastic like mass in dermis.
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