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Farming Standards Advice - Guidance Leaflets

Sheep scab

Under the Sheep Scab Order 1997, it is a criminal offence if owners or keepers of sheep fail to treat sheep visibly affected with sheep scab.

Local authorities can control the movement of sheep that are affected by sheep scab, and require treatment of those sheep if necessary.

In the guide
What is sheep scab?
Examining your sheep
Movement of sheep with sheep scab
Treatment of sheep scab
Sheep on common land
Seizure of unauthorised sheep

What is sheep scab?
Sheep scab is a skin disease of sheep caused by a mite called Psoroptes ovis. It causes severe itching in affected sheep if left untreated. Scaly lesions develop on the woolly parts of the body and sheep often bite themselves and rub against objects to relieve the irritation causing loss of wool. Untreated sheep may lose weight.

How to recognise sheep scab in your flock:

  • mild to excessive rubbing/scratching against fence posts etc
  • mild to excessive nibbling and biting
  • dirty areas of fleece due to rubbing and scratching - especially with the hindfeet behind the shoulder
  • 'nibble' (touch hypersensitivity) response, spontaneous or in response to handling or manipulation of a lesion
  • tags of fleece on flanks due to biting or rubbing (similar to lice infestations)
  • clean areas of fleece due to licking/biting at or near lesions*
  • standing apart from flock, dull and depressed*

[*Only when in combination with other symptoms described.]

Advanced disease:

  • areas of wool loss
  • damaged moist red skin
  • dry crusty scabs with moist red borders

Please consult your veterinary surgeon if you are not sure.

Examining your sheep
Part the fleece in several areas - suspect scab if you find scales and scabs.

Mites can be seen as moving white specks just visible to the naked eye around the edges of the scabby or red area.

Movement of sheep with sheep scab
No person shall move any sheep visibly affected with sheep scab, nor any sheep from a flock containing one or more sheep visibly affected with sheep scab, on to or off any premises except:

  • for treatment
  • for immediate slaughter
  • in accordance with a common land clearance notice
  • under the authority of a licence in writing, granted by an inspector

Any movement of affected sheep must be carried out in such a way that other sheep are not contaminated with sheep scab by coming into contact with them.

Treatment of sheep scab

  • organophosphates (OP) dips
  • synthetic pyrethroid (SP) dips (flumethrin)

Treatment only:

  • Ivermectin (two doses)
  • Dectomax (single treatment)

Any person who is the keeper of sheep visibly affected with sheep scab must treat those sheep and all other sheep in the flock with a product approved by Defra.

An inspector may serve a notice on any person in charge of sheep visibly affected with sheep scab, requiring isolation of the animals (or, if they are not on a holding occupied by the keeper, removal to that holding and isolation of that holding) pending the results of testing for sheep scab. This may include other sheep that have been in contact with affected sheep.

If sheep scab is confirmed, a further notice may be served by an inspector requiring the keeper to treat them within a specified period.

Once the notice to treat sheep scab has been served, the person in charge must either:

  • treat the sheep with an approved product - or
  • ensure that the sheep are slaughtered

The person on whom the notice to treat sheep scab has been served must, within two weeks of the date on which he complied with the notice, send to the inspector who served the notice:

  • a document signed by a veterinary surgeon, stating the date on which the treatment took place and the treatment used (and in the case of sheep that are slaughtered, evidence of such slaughter)

If a notice to treat sheep affected with sheep scab is not complied with, the local authority may cause the sheep to be treated at the expense of the person on whom the notice was served.

Sheep on common land
(In England and Wales 'common land' means any common or unenclosed land.)

If a local authority is satisfied that any sheep that is on common land, or any part of common land, is affected with sheep scab, a notice of clearance may be published in writing, and publicised in such a way as the local authority thinks fit in order to draw it to the attention of person(s) affected by it.

The notice of clearance may require:

  • all persons keeping sheep on the land specified in the notice to move all sheep off the land before the date specified in the notice
  • the owner to notify the local authority at least 48 hours in advance of the time and place the sheep will be treated for sheep scab     

Any person wanting to move sheep on to land specified in the notice must have:

  • treated the sheep against sheep scab with a product approved by Defra
  • notified the local authority in writing of the following information:
    - that the sheep have been treated against sheep scab
    - the number of sheep that have been treated
    - the date or dates of treatment
    - the product used
  • written authorisation from the local authority to move the sheep on to the land

Once the conditions have been met, sheep may be moved on to the land after the date specified in the notice as follows:

  • within three days. No sheep are to be moved on to the land
  • three to 16 days only. Sheep that have been treated with an approved product that will give protection against re-infection by sheep scab mites may be moved on to the land
  • 16 days to three months. Sheep that have been treated with an approved product that does not give protection from re-infection may be moved on to the land

Seizure of unauthorised sheep
Any sheep found on land specified in a clearance notice that have not been authorised by the local authority may be seized and detained.

If the owner establishes his right of ownership within seven days of the seizure and pays to the local authority the expenses incurred in seizing and detaining them, the owner may take possession of the sheep.

If the owner of the sheep does not establish his right of ownership, nor pays the local authority the expenses for the seizure and detention of any sheep, the local authority may either:

  • treat and sell the sheep - or
  • cause the sheep to be slaughtered and sell the carcase(s)

The costs incurred will be deducted from the proceeds of sale and the surplus retained for payment to any person who can establish that the sheep belongs to him.

Failure to comply with this order may lead to a fine of up to £5,000 and/or six months' imprisonment.

Please note
This leaflet is not an authoritative interpretation of the law and is intended only for guidance. Any legislation referred to, while still current, may have been amended from the form in which it was originally enacted.

Relevant legislation
Sheep Scab Order 1997

Last reviewed/updated: October 2013

© 2014 itsa Ltd on behalf of the Trading Standards Institute.

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