# The Feeding Stuffs Regulations 1988, Schedule 7: CONTROL OF CERTAIN PROTEIN SOURCES


(1)
(2)
(3)
(4)
(5)
(6)
(7)
Name of product group
Permitted products
Designation of nutritive principle or identity of micro-organism
Culture substrate (specifications, if any)
Composition characteristics of product
Animal species
Name of product and specified particulars
(1) The contents laid down or to be declared in accordance with Columns 5 and 7 refer to the product as such.
1 Proteins obtained from the following groups of micro-organisms
1.1 Bacteria
1.1.1 Bacteria cultivated on methanol
1.1.1.1 Protein product of fermentation obtained by culture of Methylophilus methylotrophus on methanol
Methylophilus methylotrophus NCIB strain 10.515
Methanol
Crude protein: min 68%— Reflectance index: at least 50
Pigs, calves, poultry and fish
Declarations to be made on the label or packaging of the product:
name of the product;
crude protein;
crude ash;
crude fat;
moisture content;
instructions for use;
avoid inhalation of dust.
Declarations to be made on the label or packaging of compound feeding stuffs:
amount of the product contained in the feeding stuff.
1.2 Yeasts
— Yeasts obtained from the micro-organisms and substrates listed in columns 3 and 4, the cells of which have been killed }
Saccharomyces cerevisiae }
Saccharomyces carlsbergensis }
Kluyveromyces lactis }
Kluyveromyces fragilis }
Molasses, distillery residues, cereals and products containing starch, fruit juice, whey, lactic acid, hydrolized vegetable fibres.
} —
} All animal species
} —
1.2.1 Yeasts cultivated on substrates of animal or vegetable origin
1.2.2 Yeasts cultivated on substrates other than those given in 1.2.1
1.3 Algae
1.4 Lower fungi
2 Non-protein nitrogenous compounds
2.1 Urea and its derivatives
2.1.1 Urea, technically pure
CO(NH2)2
—
Urea: min. 97%
} Ruminants from the beginning of rumination
} Declarations to be made on the label or packaging of the product:
the name: “Urea”, “Biuret”, “Urea-phosphate” or “Diureidoisobutane”, as the case may be;
nitrogen level; and in addition for product 2.1.3, phosphorus level;
animal species or category
Declarations to be made on the label or packaging of compound feedingstuffs:
the name “Urea”, “Biuret”, “Urea-phosphate” or “Diureidoisobutane” as the case may be;
amount of the product contained in the feedingstuff;
percentage 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 of each animal species or category.
2.1.2 Biuret, technically pure
(CONH2)2-NH
—
Biuret: min. 97%
2.1.3 Urea-phosphate, technically pure
CO(NH2)2.H3PO4
—
Nitrogen: min. 16.5% Phosphorus: min. 18%
2.1.4 Diurei-doisobutane, technically pure
(CH3)2-(CH)2-(NHCONH2)2
—
Nitrogen: min. 30% Isobutyraldehyde: min. 35%
2.2 Ammonium salts
2.2.1 Ammonium lactate, produced by fermentation with Lactobacillus bulgaricus
CH3CHOHCOONH4
Whey
Nitrogen expressed as crude protein: min. 44%
Ruminants from the beginning of rumination
Declarations to be made on the label or packaging of the product:
the name: “Ammonium lactate from fermentation”;
nitrogen expressed as crude protein;
crude ash;
moisture;
animal species or category
Declarations to be made on the label or packaging of compound feedingstuffs:
the name: “Ammonium lactate from fermentation”;
amount of product contained in the feedingstuff;
percentage 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 of each animal species or category.
2.2.2 Ammonium acetate in aqueous solution
CH3COONH4
—
Ammonium acetate: min. 55%
Ruminants, from the start of rumination
Declarations to be made on the label or packaging of the product:
the words “Ammonium acetate”;
nitrogen content;
moisture content;
animal species or category.
Declarations to be made on the label or packaging of compound feeding stuffs:
the words “Ammonium acetate”;
the amount of the product contained in the feeding stuff;
percentage 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.
2.3 By-products from the production of amino acids by fermentation
2.3.1 Concentrated liquid by-products from the production of L-glutamic acid by fermentation with Corynebacterium melassecola
Ammonium salts and other nitrogenous compounds
Sucrose, molasses, starch products and their hydrolysates
Nitrogen expressed as crude protein: min. 48% Moisture: max 28%
Ruminants from the beginning of rumination
Declarations to be made on the label or packaging of the product:
the 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.
nitrogen, expressed as crude protein;
crude ash;
moisture;
animal species or category.
Declarations to be made on the label or packaging of compound feedingstuffs:
percentage 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 of each animal species or category.
2.3.2 Concentrated liquid by-products from the production of L-lysine monohydrochloride by fermentation with Brevibacterium lactofermentum
Ammonium salts and other nitrogenous compounds
Sucrose, molasses, starch products and their hydrolysates
Nitrogen expressed as crude protein: min. 45%
Ruminants from the beginning of rumination
3 Amino acids and their salts
3.1 DL-methionine, technically pure
CH3S(CH2)2-CH(NH2)-COOH
—
DL-methionine: min. 98%
All animal species
} Declarations to be made on the label or packaging of the product:
the 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.;
DL-methionine and moisture contents;
animal species or category in the case of product 3.2.
3.2 Dihydrated calcium salt of N-hydroxy-methyl-DL-methionine, technically pure
(CH3S(CH2)2-CH(NH-CH2OH)-COO)2Ca.2H2O
—
DL-methionine: min. 67%
Formaldehyde: max. 14%
Calcium: min. 9%
Ruminants from the beginning of rumination
3.3 L-lysine, technically pure
NH2-(CH2)4-CH(NH2)-COOH
—
L-lysine: min. 98%
} All animal species
} Declarations to be made on the label or packaging of the product:
the name: “L-lysine” in the case of product 3.3.; “L-lysine-monohydro-chloride” in the case of product 3.4.;
“L-lysine sulphate and its by-products from fermentation” in the case of product 3.5;
L-lysine and moisture contents
3.4 L-lysine monohydrochloride, technically pure
NH2(CH2)4-CH(NH2)-COOH.HC1
—
L-lysine: min. 78%
3.5 L-lysine sulphate produced by fermentation with Corynebacterium glutamicum
(NH2-(CH2)4-CH(NH2)-COOH)2.H2SO4
Sugar syrup, molasses, cereals, starch products and their hydrolysates
L-lysine: min. 40%
3.6 L-threonine, technically pure
CH3-CH(OH)-CH(NH2)-COOH
—
L-threonine: min. 98%
All animal species
} Declarations to be made on the label or packaging of the product:
the name: “L-threonine”;
L-threonine and moisture contents
3.7 L-tryptophan, technically pure
(C8H5NH)-CH2-CH(NH2)-COOH
—
L-tryptophan min. 98%
All animal species
Declarations to be made on the label or packaging of the product:
the name: “L-tryptophan”;
L-tryptophan and moisture contents
3.8 DL-tryptophan, technically pure
(C8H5NH)-CH2-CH(NH2)-COOH
—
DL-tryptophan min. 98%
All animal species
Declarations to be made on the label or packaging of the product:
the name “DL-tryptophan”
DL-tryptophan and moisture contents
3.9 Zinc methionine, technically pure
[CH3S(CH2)2-CH(NH2)-COO]2Zn
—
DL-methionine min. 80% Zn: max. 18.5%
Ruminants from the start of rumination
Declarations to be made on the label or packaging of the product:
the words “Zinc methionine”;
DL-methionine content;
moisture content;
animal species or category
4 Hydroxy-analogues of amino acids
4.1 DL-2-hydroxy-4-methylmercapto-butyric acid
CH3S-(CH2)2-CH(OH)-COOH
—
Monomer acid: min. 65%
} All animals species except ruminants
} Declarations to be made on the label or packaging of the product:
name (column 2);
monomer acid and moisture contents;
animal species or category
4.2 Calcium salt of DL-2-hydroxy-4-methylmercapto-butyric acid
(CH3S-(CH2)2-CH(OH)-COO)2Ca
—
Monomer acid: min. 83%
Calcium: min. 12%

---
Source: https://www.legislation.gov.uk/uksi/1988/396/schedule/7 (the official version)
Page: https://openlegislation.uk/feeding-stuffs-regulations-1988/schedule-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.

