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Table 1 Description of requirements to three different pig production systems commonly used in Denmark

From: A comparison between lesions found during meat inspection of finishing pigs raised under organic/free-range conditions and conventional, indoor conditions

  Friland Organic Friland Free-range Conventional
Source of information [3], [3] [5]
[35],  
[36]   [37, 38]
Born outdoors in huts Required Required Optional
Age at weaning (minimum) 7 weeks 5 weeks (3a) 4 weeks
Tail docking Prohibited, exemption can be granted Prohibited, exemption can be granted Allowed, if needed
Teeth reduction Teeth cutting prohibited, grinding allowed within the first 3 days of pigs’ life if needed Teeth cutting prohibited, grinding allowed within the first 3 days of pigs’ life if needed Teeth cutting prohibited, grinding allowed within the first 3 days of pigs’ life if needed
Resting area with bedding (weaners/growers/ finishers) Required – Minimum size of area defined for each weight group Required – Minimum size of area defined for each weight group Bedding optional - Straw or other material for rooting is required
Floors (weaners/growers/ finishers) At least 50% of the required minimum area should have solid floor (outdoors this can be replaced by drainedb floor) Solid floor in the resting area, at least 50% solid floor or deep straw in outdoor area (exemption can be granted) At least 33-50% solid or drained floor (depending on age)c
Access to outdoor facility Required Required Optional
Pen area required per finishing pig (at 100 kg) 2.3 m2 (1.3 m2 indoors, and 1.0 m2 outdoors) 1.2 m2 (min. 0.50 m2 outdoors) 0.65 m2
Access to roughage for weaners/growers/finishers Required Optional Optional
Veterinary advisory service contract Required Required Optional for small herds and required for large herds
Initiate treatment with antimicrobials Not allowedd Allowed (all herds are covered by veterinary advisory service contracts) Allowed if the herd is covered by a veterinary advisory service contract
Withdrawal time related to use of antimicrobials Twice as long as described in the regulation Twice as long as described in the regulation As described in the regulation
  1. aPiglets can be weaned at an age of 3 weeks, if they are transferred to nursery rooms with controlled climate.
  2. bDrained floor defined as maximum 10% openings.
  3. cBan on fully-slatted floors applies from July 2000 for new buildings and for all housing by July 2015.
  4. dA pig that has been through two courses of treatment with antimicrobials is no longer considered organic.