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| − | Includes:[[Lamb Dysentery]][[Struck]] | + | Includes:[[Lamb Dysentery]] |
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| − | ===[[Lamb Dysentery]] (Enterotoxaemia with Blood)===
| + | [[Struck]] |
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| − | * [[:Category:Enteropathogenic and Enterotoxaemic Clostridia|''Clostridium perfringens'']] causes very severe acute haemorrhagic enteritis.
| + | [[Lamb Dysentery]] |
| − | ** Usually affects young farm animals
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| − | *** May also be seen in pets.
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| − | * Type B [[:Category:Enteropathogenic and Enterotoxaemic Clostridia|''Clostridium perfringens'']] infection of lambs leads to '''lamb dysentery'''.
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| − | ====Clinical====
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| − | * Lamb dysentery is usually seen in lambs under 2 weeks of age.
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| − | ** Related to being kept in a cold, dirty environment, with build-up of infection during the lambing season.
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| − | * Lambs may produce bloodstained [[Intestine Diarrhoea - Pathology|diarrhoea]] before death, but they often die before this effect is apparent.
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| − | * Diagnosed by culturing contents of gut.
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| − | ====Pathology====
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| − | =====Gross=====
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| − | * The gut is blown and distended with foamy ,bloody contents.
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| − | * Sometimes ulceration with perforation and fibrinousperitonitis is seen.
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| − | * Focal or diffuse congestion and haemorrhages.
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| − |
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| − | =====Histological=====
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| − | *Coagulative necrosis of villi.
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| − | * Oedema.
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| − | * Haemorrhage.
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| − | * Influx of inflammatory cells in the lamina propria and submucosa.
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| − | ====Similar Conditions====
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| − | * '''Piglets''' show similar disease caused by [[:Category:Enteropathogenic and Enterotoxaemic Clostridia|''Clostridium perfringens'']] type C (and sometimes type B)
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| − | ** May look similar to a volvulus but with no twist present.
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| − | * In '''adult sheep''' [[:Category:Enteropathogenic and Enterotoxaemic Clostridia|''Clostridium perfringens'']] type B infection causes '''Struck'''.
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| − | ** Enterotoxigenic gastritis.
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| − | ** Acute sudden death with haemorrhagic enteritis
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| − | ** Haemorrhagic enteritis is not as severe as in lambs, and tends to be more patchy.
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| | ===[[Colitis X]]=== | | ===[[Colitis X]]=== |