{
  "url": "https://openlegislation.uk/feeding-stuffs-regulations-1988/schedule-7",
  "json_url": "https://openlegislation.uk/feeding-stuffs-regulations-1988/schedule-7.json",
  "legislation": "uksi/1988/396",
  "legislation_title": "The Feeding Stuffs Regulations 1988",
  "legislation_url": "https://openlegislation.uk/feeding-stuffs-regulations-1988",
  "path": "schedule/7",
  "kind": "schedule",
  "number": "7",
  "heading": "CONTROL OF CERTAIN PROTEIN SOURCES",
  "text": "(1)\n(2)\n(3)\n(4)\n(5)\n(6)\n(7)\nName of product group\nPermitted products\nDesignation of nutritive principle or identity of micro-organism\nCulture substrate (specifications, if any)\nComposition characteristics of product\nAnimal species\nName of product and specified particulars\n(1) The contents laid down or to be declared in accordance with Columns 5 and 7 refer to the product as such.\n1 Proteins obtained from the following groups of micro-organisms\n1.1 Bacteria\n1.1.1 Bacteria cultivated on methanol\n1.1.1.1 Protein product of fermentation obtained by culture of Methylophilus methylotrophus on methanol\nMethylophilus methylotrophus NCIB strain 10.515\nMethanol\nCrude protein: min 68%— Reflectance index: at least 50\nPigs, calves, poultry and fish\nDeclarations to be made on the label or packaging of the product:\nname of the product;\ncrude protein;\ncrude ash;\ncrude fat;\nmoisture content;\ninstructions for use;\navoid inhalation of dust.\nDeclarations to be made on the label or packaging of compound feeding stuffs:\namount of the product contained in the feeding stuff.\n1.2 Yeasts\n— Yeasts obtained from the micro-organisms and substrates listed in columns 3 and 4, the cells of which have been killed }\nSaccharomyces cerevisiae }\nSaccharomyces carlsbergensis }\nKluyveromyces lactis }\nKluyveromyces fragilis }\nMolasses, distillery residues, cereals and products containing starch, fruit juice, whey, lactic acid, hydrolized vegetable fibres.\n} —\n} All animal species\n} —\n1.2.1 Yeasts cultivated on substrates of animal or vegetable origin\n1.2.2 Yeasts cultivated on substrates other than those given in 1.2.1\n1.3 Algae\n1.4 Lower fungi\n2 Non-protein nitrogenous compounds\n2.1 Urea and its derivatives\n2.1.1 Urea, technically pure\nCO(NH2)2\n—\nUrea: min. 97%\n} Ruminants from the beginning of rumination\n} Declarations to be made on the label or packaging of the product:\nthe name: “Urea”, “Biuret”, “Urea-phosphate” or “Diureidoisobutane”, as the case may be;\nnitrogen level; and in addition for product 2.1.3, phosphorus level;\nanimal species or category\nDeclarations to be made on the label or packaging of compound feedingstuffs:\nthe name “Urea”, “Biuret”, “Urea-phosphate” or “Diureidoisobutane” as the case may be;\namount of the product contained in the feedingstuff;\npercentage of the total crude protein provided by non-protein nitrogen;\nindication, in the instructions for use, of the level of total non-protein nitrogen which should not be exceeded in the daily ration of each animal species or category.\n2.1.2 Biuret, technically pure\n(CONH2)2-NH\n—\nBiuret: min. 97%\n2.1.3 Urea-phosphate, technically pure\nCO(NH2)2.H3PO4\n—\nNitrogen: min. 16.5% Phosphorus: min. 18%\n2.1.4 Diurei-doisobutane, technically pure\n(CH3)2-(CH)2-(NHCONH2)2\n—\nNitrogen: min. 30% Isobutyraldehyde: min. 35%\n2.2 Ammonium salts\n2.2.1 Ammonium lactate, produced by fermentation with Lactobacillus bulgaricus\nCH3CHOHCOONH4\nWhey\nNitrogen expressed as crude protein: min. 44%\nRuminants from the beginning of rumination\nDeclarations to be made on the label or packaging of the product:\nthe name: “Ammonium lactate from fermentation”;\nnitrogen expressed as crude protein;\ncrude ash;\nmoisture;\nanimal species or category\nDeclarations to be made on the label or packaging of compound feedingstuffs:\nthe name: “Ammonium lactate from fermentation”;\namount of product contained in the feedingstuff;\npercentage of the total crude protein provided by non-protein nitrogen;\nindication, in the instructions for use of the level of total non-protein nitrogen which should not be exceeded in the daily ration of each animal species or category.\n2.2.2 Ammonium acetate in aqueous solution\nCH3COONH4\n—\nAmmonium acetate: min. 55%\nRuminants, from the start of rumination\nDeclarations to be made on the label or packaging of the product:\nthe words “Ammonium acetate”;\nnitrogen content;\nmoisture content;\nanimal species or category.\nDeclarations to be made on the label or packaging of compound feeding stuffs:\nthe words “Ammonium acetate”;\nthe amount of the product contained in the feeding stuff;\npercentage of the total crude protein provided by non-protein nitrogen; — indication in the instructions for use of the level of total non-protein nitrogen which should not be exceeded in the daily ration for each animal species or category.\n2.3 By-products from the production of amino acids by fermentation\n2.3.1 Concentrated liquid by-products from the production of L-glutamic acid by fermentation with Corynebacterium melassecola\nAmmonium salts and other nitrogenous compounds\nSucrose, molasses, starch products and their hydrolysates\nNitrogen expressed as crude protein: min. 48% Moisture: max 28%\nRuminants from the beginning of rumination\nDeclarations to be made on the label or packaging of the product:\nthe name “by-products from the production of L-glutamic acid” in the case of product 2.3.1; “by-products from the production of L-lysine” in the case of product 2.3.2.\nnitrogen, expressed as crude protein;\ncrude ash;\nmoisture;\nanimal species or category.\nDeclarations to be made on the label or packaging of compound feedingstuffs:\npercentage of the total crude protein provided by non-protein nitrogen;\nindication, in the instructions for use, of the level of total non-protein nitrogen which should not be exceeded in the daily ration of each animal species or category.\n2.3.2 Concentrated liquid by-products from the production of L-lysine monohydrochloride by fermentation with Brevibacterium lactofermentum\nAmmonium salts and other nitrogenous compounds\nSucrose, molasses, starch products and their hydrolysates\nNitrogen expressed as crude protein: min. 45%\nRuminants from the beginning of rumination\n3 Amino acids and their salts\n3.1 DL-methionine, technically pure\nCH3S(CH2)2-CH(NH2)-COOH\n—\nDL-methionine: min. 98%\nAll animal species\n} Declarations to be made on the label or packaging of the product:\nthe name: “DL-methionine”, in the case of product 3.1; “Dihydrated calcium salt of N-hydroxymethyl-DL-methionine” in the case of product 3.2.;\nDL-methionine and moisture contents;\nanimal species or category in the case of product 3.2.\n3.2 Dihydrated calcium salt of N-hydroxy-methyl-DL-methionine, technically pure\n(CH3S(CH2)2-CH(NH-CH2OH)-COO)2Ca.2H2O\n—\nDL-methionine: min. 67%\nFormaldehyde: max. 14%\nCalcium: min. 9%\nRuminants from the beginning of rumination\n3.3 L-lysine, technically pure\nNH2-(CH2)4-CH(NH2)-COOH\n—\nL-lysine: min. 98%\n} All animal species\n} Declarations to be made on the label or packaging of the product:\nthe name: “L-lysine” in the case of product 3.3.; “L-lysine-monohydro-chloride” in the case of product 3.4.;\n“L-lysine sulphate and its by-products from fermentation” in the case of product 3.5;\nL-lysine and moisture contents\n3.4 L-lysine monohydrochloride, technically pure\nNH2(CH2)4-CH(NH2)-COOH.HC1\n—\nL-lysine: min. 78%\n3.5 L-lysine sulphate produced by fermentation with Corynebacterium glutamicum\n(NH2-(CH2)4-CH(NH2)-COOH)2.H2SO4\nSugar syrup, molasses, cereals, starch products and their hydrolysates\nL-lysine: min. 40%\n3.6 L-threonine, technically pure\nCH3-CH(OH)-CH(NH2)-COOH\n—\nL-threonine: min. 98%\nAll animal species\n} Declarations to be made on the label or packaging of the product:\nthe name: “L-threonine”;\nL-threonine and moisture contents\n3.7 L-tryptophan, technically pure\n(C8H5NH)-CH2-CH(NH2)-COOH\n—\nL-tryptophan min. 98%\nAll animal species\nDeclarations to be made on the label or packaging of the product:\nthe name: “L-tryptophan”;\nL-tryptophan and moisture contents\n3.8 DL-tryptophan, technically pure\n(C8H5NH)-CH2-CH(NH2)-COOH\n—\nDL-tryptophan min. 98%\nAll animal species\nDeclarations to be made on the label or packaging of the product:\nthe name “DL-tryptophan”\nDL-tryptophan and moisture contents\n3.9 Zinc methionine, technically pure\n[CH3S(CH2)2-CH(NH2)-COO]2Zn\n—\nDL-methionine min. 80% Zn: max. 18.5%\nRuminants from the start of rumination\nDeclarations to be made on the label or packaging of the product:\nthe words “Zinc methionine”;\nDL-methionine content;\nmoisture content;\nanimal species or category\n4 Hydroxy-analogues of amino acids\n4.1 DL-2-hydroxy-4-methylmercapto-butyric acid\nCH3S-(CH2)2-CH(OH)-COOH\n—\nMonomer acid: min. 65%\n} All animals species except ruminants\n} Declarations to be made on the label or packaging of the product:\nname (column 2);\nmonomer acid and moisture contents;\nanimal species or category\n4.2 Calcium salt of DL-2-hydroxy-4-methylmercapto-butyric acid\n(CH3S-(CH2)2-CH(OH)-COO)2Ca\n—\nMonomer acid: min. 83%\nCalcium: min. 12%",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "(1) The contents laid down or to be declared in accordance with Columns 5 and 7 refer to the product as such."
    }
  ],
  "outstanding_effects": [
    {
      "type": "amended",
      "affecting": "uksi/1989/2014",
      "affecting_title": "The Feeding Stuffs (Amendment) Regulations 1989"
    },
    {
      "type": "amended",
      "affecting": "uksi/1991/1475",
      "affecting_title": "The Feeding Stuffs (Amendment) Regulations 1991"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1988/396/schedule/7",
    "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."
}