MEDICATED FEEDSTUFFS

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MEDICATED FEEDSTUFFS

• Chris Trower
• Larkmead Veterinary Group
• Hampshire Training Group
• Winchester
• 6th November 2006

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• Medicated Feedstuffs (MFS)
• MFS products are POM-V or POM-VPS medicines
  authorised for inclusion in animal feed
• They can only be mixed into feed by either
• a) an approved feed mill
• b) a farm approved as a home-mixer

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• Authorised Feed Mills
• Before inclusion of an MFS product, the mill must
  have an MFS prescription
• The farm must have a copy of this
• Both farm and mill must store these for 5 years
• Mill cannot supply more than 31 days feed at a
  time

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• Premixes
• Mineral/vitamin supplements for inclusion by home
  mixers may include an MFS
• The MFS prescription must state the inclusion
  rate of MFS in the premix, together with the
  inclusion rate of the premix into the final feed
  and the levels of active substance in the
  finished feed

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• Home Mixers
• Farms approved as category B home mixers may
  purchase MFS products for inclusion in feed on
  farm.
• These may be purchased from a vet (or from a mill
  against a veterinary prescription)
• MFS products must be included at a minimum level
  of 2ks/tonne when home-mixed
• All records must be kept for 5 years

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• Withdrawal periods
• All MFS prescriptions must state the minimum
  withdrawal period
• Where 2 different MFS products are included in
  the same feed, the longer of the withdrawal
  periods applies
• If the inclusion rates are outside the
  recommended levels, the default withdrawal
  periods
• will apply

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• Default withdrawal periods
• 28 days for meat
• 7 days for milk and eggs
• Meat inspection at abattoirs includes routine
  sampling for evidence of medicine residues in
  meat
• Failures are heavily penalised

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• Default withdrawal periods
• Top-dressing of pig feed is not allowed
• Water soluble medicines do not require an MFS
  prescription, unless used in wet-feed
• Inspections are carried out
• All records must be kept for 5 years