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| − | * An anaerobic spirochaete.
| + | {{unfinished}} |
| − | * Causes [[Swine Dysentery|swine dysentery]].
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| − | **Infection is acquired via contaminated faeces
| + | ''Brachyspira hyodysenteriae'' is an anaerobic ''[[spirochaetes]]''. It is the cause of [[Swine Dysentery|swine dysentery]]. |
| − | **Disease spreads slowly through the herd
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| − | **Dogs, rats, mice and flies may act as transport hosts
| + | Infection of ''Brachyspira hyodysenteriae'' is acquired via contaminated faeces. Dogs, rats, mice and flies may act as transport hosts. |
| − | **''B. hyodysenteriae'' survives several weeks in moist faeces
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| | + | ''B. hyodysenteriae'' survives several weeks in moist faeces. Carrier pigs shed ''B. hyodysenteriae'' for up to 3 months, acting as a source of infection for healthy pigs. |
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| − | *Clinical signs
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| − | **''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
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| − | *Diagnosis
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| − | **History, clinical signs and gross pathology
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| − | **Anaerobic culture on blood agar with added antibiotics for at least 3 days
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| − | **''B. hyodysenteriae'' causes complete haemolysis whereas other spirochaetes cause partial haemolysis
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| − | **Immunofluorescence, DNA probes and biochemical tests
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| − | **Serology using ELISA can be used on a herd basis
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| − | **PCR
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| | [[Category:Brachyspira and Serpulina]][[Category:Pig]] | | [[Category:Brachyspira and Serpulina]][[Category:Pig]] |
| − | [[Category:To_Do_-_Bacteria]] | + | |
| | + | [[Category:To_Do_-_AimeeHicks]] |