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How to spot BSE and what farmers can do to prevent it

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How to spot BSE and what farmers should do if they suspect it

How to spot BSE, what to do if you suspect it, measures you must take to prevent it and when you must have cattle tested.

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How to spot BSE and what farmers should do if they suspect it

Bovine spongiform encephalopathy (BSE), known as mad cow disease, is a fatal brain disease that affects cattle.

 

BSE is a notifiable animal disease. If you suspect it you must report it immediately by calling the Defra Rural Services Helpline on 03000 200 301. In Wales, contact 0300 303 8268. In Scotland, contact your local Field Services Office. Failure to do so is an offence. This applies to pet and small holder animals as well as commercial cattle.

 

 

How to spot BSE

 

Affected cattle do not usually show signs of BSE until they’re at least 4 or 5 years old.

Cattle with BSE may slowly develop some of the following signs over a period of weeks or months:

  • change in behaviour
  • apprehension or nervousness (flighty)
  • repeated, exaggerated reactions to touch or sound
  • weakness or high stepping of the legs, particularly the hind legs
  • reluctance to cross concrete or drains, turn corners or enter yards or go through doorways
  • aggression towards humans or towards other cattle
  • manic kicking during milking or reluctance to allow milking
  • head held low
  • difficulty in rising, progressing to recumbency
  • tremors under the skin
  • loss of body condition, weight or milk yield
  • excessive nose licking

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Feeding animals

 

There is a ban on feeding any animal protein to ruminants (cattle, sheep, goats) and on feeding processed animal protein to all farmed animals, although there are exceptions.

 

Disposing of Specific Risk Material

 

Specific Risk Materials (SRM) are body parts of cattle or sheep that may contain significant amounts of prion in infected animals. Prion is the protein that can causes BSE when eaten by cattle.

 

Different animal parts are considered SRM, depending on whether they’re from a sheep or a cow and the age of the animal. All body parts of cattle born in the UK before 1 August 1996 are SRM and are banned from entering the food chain.

Movement restrictions

 

You must apply for a movement licence to move any cattle born or reared in the UK before 1 August 1996.

 

This is to prevent any meat or other body parts from these animals entering the food chain. Milk from these animals can be sold for human consumption.

 

Testing cattle for BSE

 

Cattle slaughtered for human consumption

 

You must have cattle that were slaughtered for human consumption tested for BSE if they meet both of the following conditions:

  • they were born in Romania, Bulgaria, Croatia or any non-EU country
  • they were older than 30 months and disease-free at the time of slaughter

 

Cattle sent for emergency slaughter or fallen stock

 

You must have cattle tested for BSE if they meet any of the following conditions:

  • they’ve been sent for emergency slaughter
  • they were found to be sick in an inspection after death
  • they’re fallen stock, ie their death was not due to being slaughtered for human consumption

 

This rule applies to cattle that are either:

  • older than 48 months, if born in EU member states except Romania, Bulgaria and Croatia
  • older than 24 months if born in Romania, Bulgaria, Croatia, or any non-EU country

 

You must send fallen cattle that require BSE testing to an approved BSEsampling site.

What happens if you suspect BSE

 

If one of your animals is showing signs of BSE you must report it immediately by calling the Defra Rural Services Helpline on 03000 200 301.

 

An APHA vet will visit your farm and carry out a veterinary assessment on the animal as soon as possible.

 

If the APHA vet suspects your animal has BSE, they’ll issue a notice restricting the movement of the animal (movement restriction). They’ll either cull the animal on your premises or transport it to an APHA laboratory for slaughter depending on the animal’s condition.

 

They’ll put a herd restriction in place prohibiting the movement of cattle on and off your farm (whole herd restriction) and test your animal to find out if it has BSE.

 

Once cohort and offspring animals are identified, they’ll issue notices restricting the movements of these animals and the whole herd restrictions are lifted.

 

If BSE is suspected in a female cow, the APHA will trace any of its offspring that were born up to 2 years before or after the mother showed signs of the disease.

 

They’ll put movement restrictions in place and they’ll slaughter the offspring if BSE is confirmed in the mother.

 

Testing cohorts

 

Cohorts are cattle which were either:

  • born in the same herd as the BSE case, up to a year before or after its birth; or
  • reared with a BSE case at any time before both were up to a year old

 

APHA uses data from BCMS records to identify cohorts of cattle that have tested postive for BSE.

Cohorts of infected cattle must be culled and tested for disease because of the likelihood that they have received the same feed as the BSE case.

 

If your cattle are identified as cohorts and APHA intends to cull them, you can appeal if you have evidence that the animals were not exposed to the same feed as the animal confirmed to have BSE.

 

You will need to provide feed control records for the period when the BSEcase and the cohorts were reared together to show that the cohorts did not at any time receive the same feed as the BSE case.

 

This includes the purchase of raw materials for feed from the same source and common feed sources such as salt blocks.

 

You can also appeal to delay the cull of bulls continuously kept at a semen collection centre. In this case, the bull would not be culled until the end of its productive life.

 

If you want to appeal, you must write to the local APHA office dealing with the case within 21 days of receiving the notification of the decision to cull the cattle.

Compensation

 

You’ll be paid compensation for any BSE suspect, offspring or cohort that has been culled to control BSE.

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