Botulism in cattle advice
Friday 8 December 2006
The Agency has changed its advice on the management of outbreaks of suspected botulism in cattle and the sending of meat and milk into the food chain.
The move follows recommendations in a report by the independent Advisory Committee on the Microbiological Safety of Food (ACMSF). The report comes against the background of an increase in reported incidents of suspected botulism in cattle in the UK since 2003.
Previously, the FSA�s advice was to request that the farmer with affected herds does not send meat and milk into the food chain. This applied to both affected and healthy cattle.
The committee considered the potential human health risk associated with suspected botulism in cattle.
In line with the general principle that animals that are diseased should not enter the food chain, their report concluded that the current restrictions on food from clinically affected cattle appear to be appropriate and should remain in place.
However, based on current scientific evidence, they considered the restrictions on healthy cattle to be over-precautionary and recommend that, in the absence of other signs, there should be no restrictions on milk or meat from healthy cattle from affected farms.
The science behind the story
The scientific evidence informing ACMSF's recommendations centres on the botulinum toxin types.
The botulinum toxin types identified in animals (C and D) have rarely been associated with disease in humans. In addition, there have been no reports of human cases of botulism from meat or milk, and there has been a lack of cases of botulism occurring in suckler calves in affected herds.
ACMSF therefore recommended that there should be no restrictions on milk or meat from healthy cattle from affected farms.
The FSA is implementing this change to its advice but will review if new evidence emerges that the botulinum toxin types that affect humans (such as A, B and E) cause any outbreaks in cattle.
The full report from the ACMSF was published on the Agency's website on 28 September 2006.

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