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