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==Introduction==
==Introduction==
This group includes Gram negative, anaerobic bacteria. They are excreted in faeces and survive short periods in environment. They can cause opportunistic infections with facultative anaerobes. Non-specific infections include; wound infections, cellulitis, abscesses, oral infections and [[Peritonitis|peritonitis]]. Specific infections include; liver abscesses in cattle, [[Calf Diphtheria]] and footrot in sheep. They may be required to produce [[Swine Dysentery|swine dysentery]].
This group includes Gram negative, anaerobic bacteria. They are excreted in faeces and survive short periods in environment. They can cause opportunistic infections with facultative anaerobes. Non-specific infections include; wound infections, cellulitis, abscesses, oral infections and [[Peritonitis|peritonitis]]. Specific infections include; liver abscesses in cattle, [[Calf Diphtheria]] and footrot in sheep. They may be required to produce [[Swine Dysentery|swine dysentery]].
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==Pathogenic Organisms==
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Pathogenic gram negative anaerobic bacteria that are of interest to vets include:
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*[[Bacteroides fragillis]]
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*[[Dichelobacter nodosus]]
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*[[Fusobacterium necrophorum]]
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==Pathogenesis and pathogenicity==
==Pathogenesis and pathogenicity==