Normally this species are present in the large intestines as commensals but during certain circumstances such as antibiotic administration they are able to proliferate and cause fatal enterotoxaemia. ''Clostridium'' species can be cultured from the lumen of the infected intestine. | Normally this species are present in the large intestines as commensals but during certain circumstances such as antibiotic administration they are able to proliferate and cause fatal enterotoxaemia. ''Clostridium'' species can be cultured from the lumen of the infected intestine. |