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Neurological signs include head tilt, circling, temors, nystagmus, strabismus, decreased or absent menace response, ptosis, miosis or meiosis, photophobia, headshaking, opisthotonus, facial paralysis, paraparesis and ataxia.
Neurological signs include head tilt, circling, temors, nystagmus, strabismus, decreased or absent menace response, ptosis, miosis or meiosis, photophobia, headshaking, opisthotonus, facial paralysis, paraparesis and ataxia.
==Diagnosis==
==Diagnosis==
[[File:Actinobacillus suis.jpg|thumb|200px|right| Actinobacillus suis. Gram stain]]
Diagnosis can be difficult as it shares clinical signs with pathogens, such as ''Streptococcus suis'' and ''Haemophilus parasuis'', both being able to induce a septicaemic infection with sudden death. Infection can be confirmed by the isolation of ''A. suis'', from culturing different tissues of affected organs on post mortem.
Diagnosis can be difficult as it shares clinical signs with pathogens, such as ''Streptococcus suis'' and ''Haemophilus parasuis'', both being able to induce a septicaemic infection with sudden death. Infection can be confirmed by the isolation of ''A. suis'', from culturing different tissues of affected organs on post mortem.
'''Differential diagnosis''': [[Actinobacillus pleuropneumoniae| ''A. pleuropneumoniae'']], [[Erysipelas - Pig
'''Differential diagnosis''': [[Actinobacillus pleuropneumoniae| ''A. pleuropneumoniae'']], [[Erysipelas - Pig
| ''Erysipelas'']], [[Glasser's Disease| ''Glasser’s disease'']], [[Streptococcus suis| ''Streptococcus suis'']], and [[Mulberry Heart Disease| ''Mulberry heart disease'']].
| ''Erysipelas'']], [[Glasser's Disease| ''Glasser’s disease'']], [[Streptococcus suis| ''Streptococcus suis'']], and [[Mulberry Heart Disease| ''Mulberry heart disease'']].
On post-mortem serous or fibrinous exudates can be found in the thorax and pericardium and ecchymotic haemorrhages can be seen in kidneys, lungs, liver, spleen and other organisms.[[File:Actinobacillus suis.jpg|thumb|200px|right| Actinobacillus suis. Gram stain]]
On post-mortem serous or fibrinous exudates can be found in the thorax and pericardium and ecchymotic haemorrhages can be seen in kidneys, lungs, liver, spleen and other organisms.
==Treatment==
==Treatment==