Health officials have confirmed a case of mad cow disease has been detected in a farm in Essex - leading to an animal being culled in a bid to prevent the spread. The animal tested positive for atypical Bovine Spongiform Encephalopathy ( BSE ). The government acted swiftly and said that measures were taken to contain the incident. Officials issued a statement to the public to reassure them that it was an isolated incident. There is no risk to public health or food safety, as the cow was not