{
  "url": "https://openlegislation.uk/feeding-stuffs-regulations-1988/schedule-3/part-A",
  "json_url": "https://openlegislation.uk/feeding-stuffs-regulations-1988/schedule-3/part-A.json",
  "legislation": "uksi/1988/396",
  "legislation_title": "The Feeding Stuffs Regulations 1988",
  "legislation_url": "https://openlegislation.uk/feeding-stuffs-regulations-1988",
  "path": "schedule/3/part/A",
  "kind": "part",
  "number": "A",
  "heading": "COMPOUND FEEDING STUFFS AND COMPOUND PET FOODS EXCEPT THOSE FOR DOGS OR CATS",
  "text": "Analytical constituents\nLimits of variation (absolute value in percentage by weight, except where otherwise specified)\nAsh\nIf present in excess—\n2 for declarations of 10% or more\n20% of the amount stated for declarations of 5% or more but less than 10%\n1 for declarations less than 5%\nIn case of deficiency—\n3 for declarations of 10% or more\n30% of the amount stated for declarations of 5% or more but less than 10%\n1.5 for declarations less than 5%\nCalcium\nIf present in excess—\n3.6 for declarations of 16% or more\n22.5% of the amount stated for declarations of 12% or more but less than 16%\n2.7 for declarations of 6% or more but less than 12%\n45% of the amount stated for declarations of 1% or more but less than 6%\n0.45 for declarations less than 1%\nIn case of deficiency—\n1.2 for declarations of 16% or more\n7.5% of the amount stated for declarations of 12% or more but less than 16%\n0.9 for declarations of 6% or more but less than 12%\n15% of the amount stated for declarations of 1% or more but less than 6%\n0.15 for declarations less than 1%\nCystine\nIn case of deficiency—\n20% of the amount stated\nFibre\nIf present in excess—\n1.8 for all declarations\nIn case of deficiency—\n45% of the amount stated\nLysine\nIn case of deficiency—\n15% of the amount stated\nMagnesium\nIf present in excess—\n4.5 for declarations of 15% or more\n30% of the amount stated for declarations of 7.5% or more but less than 15%\n2.25 for declarations of 5% or more but less than 7.5%\n45% of the amount stated for declarations of 0.7% or more but less than 5%\n0.3 for declarations less than 0.7%\nIn case of deficiency—\n1.5 for declarations of 15% or more\n10% of the amount stated for declarations of 7.5% or more but less than 15%\n0.75 for declarations of 5% or more but less than 7.5%\n15% of the amount stated for declarations of 0.7% or more but less than 5%\n0.1 for declarations less than 0.7%\nMethionine\nIn case of deficiency—\n15% of the amount stated\nMoisture\nIf present in excess—\n1 for declarations of 10% or more\n10% of the amount stated for declarations of 5% or more but less than 10%\n0.5 for declarations less than 5%\nOil\nIf present in excess—\n3 for declarations of 15% or more\n20% of the amount stated for declarations of 8% or more but less than 15%\n1.6 for declarations less than 8%\nIn case of deficiency—\n1.5 for declarations of 15% or more\n10% of the amount stated for declarations of 8% or more but less than 15%\n0.8 for declarations less than 8%\nPhosphorus\nIf present in excess—\n3.6 for declarations of 16% or more\n22.5% of the amount stated for declarations of 12% or more but less than 16%\n2.7 for declarations of 6% or more but less than 12%\n45% of the amount stated for declarations of 1% or more but less than 6%\n0.45 for declarations less than 1%\nIn case of deficiency—\n1.2 for declarations of 16% or more\n7.5% of the amount stated for declarations of 12% or more but less than 16%\n0.9 for declarations of 6% or more but less than 12%\n15% of the amount stated for declarations of 1% or more but less than 6%\n0.15 for declarations less than 1%\nProtein\nIf present in excess—\n4 for declarations of 20% or more\n20% of the amount stated for declarations of 10% or more but less than 20%\n2 for declarations less than 10%\nIn case of deficiency—\n2 for declarations of 20% or more\n10% of the amount stated for declarations of 10% or more but less than 20%\n1 for declarations less than 10%\nProtein equivalent of biuret\n±1.25, or ±20% of the amount stated, whichever is the greater\nProtein equivalent of diureidoiso-butane\n±1.25, or ±20% of the amount stated, whichever is the greater\nProtein equivalent of urea\n±1.25, or ±20% of the amount stated, whichever is the greater\nProtein equivalent of urea phosphate\n±1.25, or ±20% of the amount stated, whichever is the greater\nSodium\nIf present in excess—\n4.5 for declarations of 15% or more\n30% of the amount stated for declarations of 7.5% or more but less than 15%\n2.25 for declarations of 5% of more but less than 7.5%\n45% of the amount stated for declarations of 0.7% or more but less than 5%\n0.3 for declarations less than 0.7%\nIn case of deficiency—\n1.5 for declarations of 15% or more\n10% of the amount stated for declarations of 7.5% or more but less than 15%\n0.75 for declarations of 5% or more but less than 7.5%\n15% of the amount stated for declarations of 0.7% or more but less than 5%\n0.1 for declarations less than 0.7%\nProtein soluble in pepsin and hydrochloric acid\nIn case of deficiency—\n3 for declarations of 25% or more\n12% of the amount stated for declarations of 15% or more but less than 25%\n1.8 for declarations less than 15%\nStarch and total sugar plus starch\nIf present in excess—\n5 for declarations of 25% or more\n20% of the amount stated for declarations of 10% or more but less than 25%\n2 for declarations less than 10%\nIn case of deficiency—\n2.5 for declarations of 25% or more\n10% of the amount stated for declarations of 10% or more but less than 25%\n1 for declarations less than 10%\nTotal sugar expressed as sucrose\nIf present in excess—\n4 for declarations of 20% or more\n20% of the amount stated for declarations of 10% or more but less than 20%\n2 for declarations less than 10%\nIn case of deficiency—\n2 for declarations of 20% or more\n10% of the amount stated for declarations of 10% or more but less than 20%\n1 for declarations less than 10%",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1988/396/schedule/3/part/A",
    "retrieved_at": "2026-10-29T16:10:34.656802+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}