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* Silver stains show organisms in the epithelium of the mucosa.
* Silver stains show organisms in the epithelium of the mucosa.
*Clinical signs
**''B. hyodysenteriae'' causes dysentry in weaned pigs 6-12 weeks old; pigs lose condition and become emaciated; appetite is decreased; large amount of mucous may be present in the faeces; low mortality; poor feed conversion ratio
*Diagnosis
**History, clinical signs and gross pathology
**Anaerobic culture on blood agar with added antibiotics for at least 3 days
**''B. hyodysenteriae'' causes complete haemolysis whereas other spirochaetes cause partial haemolysis
**Immunofluorescence, DNA probes and biochemical tests
**Serology using ELISA can be used on a herd basis
**PCR
* Also by immunofluorescence or electron microscopy.[[Category:Enteritis,_Bacterial]][[Category:Enteritis,_Fibrinous/Haemorrhagic]][[Category:Pig]]
* Also by immunofluorescence or electron microscopy.[[Category:Enteritis,_Bacterial]][[Category:Enteritis,_Fibrinous/Haemorrhagic]][[Category:Pig]]
[[Category:To_Do_-_Clinical]]
[[Category:To_Do_-_Clinical]]