# The Feeding Stuffs Regulations 2000, Part A—: COMPOUND FEEDING STUFFS EXCEPT THOSE FOR PETS Analytical constituents Limits of variation (absolute value in percentage by weight, except where otherwise specified) Ash If present in excess— 2 for declarations of 10% or more 20% of the amount stated for declarations of 5% or more but less than 10% 1 for declarations less than 5% In case of deficiency— 3 for declarations of 10% or more 30% of the amount stated for declarations of 5% or more but less than 10% 1.5 for declarations less than 5% Ash insoluble in hydrochloric acid If present in excess— 2 for declarations of 10% or more 20% of the amount stated for declarations of 4% or more but less than 10% 1 for declarations less than 4% Calcium If present in excess— 3.6 for declarations of 16% or more 22.5% of the amount stated for declarations of 12% or more but less than 16% 2.7 for declarations of 6% or more but less than 12% 45% of the amount stated for declarations of 1% or more but less than 6% 0.45 for declarations less than 1% In case of deficiency— 1.2 for declarations of 16% or more 7.5% of the amount stated for declarations of 12% or more but less than 16% 0.9 for declarations of 6% or more but less than 12% 15% of the amount stated for declarations of 1% or more but less than 6% 0.15 for declarations less than 1% Cystine In case of deficiency— 30% of the amount stated Fibre If present in excess— 1.8 for declarations of 12% or more 15% of the amount stated for declarations of 6% or more but less than 12% 0.9 for declarations less than 6% In case of deficiency— 5.4 for declarations of 12% or more 45% of the amount stated for declarations of 6% or more but less than 12%2.7 for declarations less than 6% Lysine In case of deficiency— 30% of the amount stated Magnesium If present in excess— 4.5 for declarations of 15% or more 30% of the amount stated for declarations of 7.5% or more but less than 15% 2.25 for declarations of 5% or more but less than 7.5% 45% of the amount stated for declarations of 0.7% or more but less than 5% 0.3 for declarations less than 0.7% In case of deficiency— 1.5percnt; for declarations of 15percnt; or more 10percnt; of the amount stated for declarations of 7.5percnt; or more but less than 15percnt; 0.75 for declarations of 5percnt; or more but less than 7.5percnt; 15percnt; of the amount stated for declarations of 0.7percnt; or more but less than 5percnt; 0.1 for declarations less than 0.7percnt; Methionine In case of deficiency— 30percnt; of the amount stated Moisture If present in excess— 1 for declarations of 10percnt; or more 10percnt; of the amount stated for declarations of 5percnt; or more but less than 10percnt; 0.5 for declarations less than 5percnt; Oils and fats If present in excess— 3 for declarations of 15percnt; or more 20percnt; of the amount stated for declarations of 8percnt; or more but less than 15percnt; 1.6 for declarations less than 8percnt; In case of deficiency— 1.5 for declarations of 15percnt; or more 10percnt; of the amount stated for declarations of 8percnt; or more but less than 15percnt; 0.8 for declarations less than 8percnt; Phosphorus If present in excess— 3.6 for declarations of 16percnt; or more 22.5percnt; of the amount stated for declarations of 12percnt; or more but less than 16percnt; 2.7 for declarations of 6percnt; or more but less than 12percnt; 45percnt; of the amount stated for declarations of 1percnt; or more but less than 6percnt; 0.45 for declarations less than 1percnt; In case of deficiency— 1.2percnt; for declarations of 16percnt; or more 7.5percnt; of the amount stated for declarations of 12percnt; or more but less than 16percnt; 0.9 for declarations of 6percnt; or more but less than 12percnt; 15percnt; of the amount stated for declarations of 1percnt; or more but less than 6percnt; 0.15 for declarations less than 1percnt; Potassium If present in excess— 4.5 for declarations of 15percnt; or more 30percnt; of the amount stated for declarations of 7.5percnt; or more but less than 15percnt; 2.25 for declarations of 5percnt; or more but less than 7.5percnt; 45percnt; of the amount stated for declarations of 0.7percnt; or more but less than 5percnt; 0.3 for declarations less than 0.7percnt; In case of deficiency— 1.5percnt; for declarations of 15percnt; or more 10percnt; of the amount stated for declarations of 7.5percnt; or more but less than 15percnt; 0.75 for declarations of 5percnt; or more but less than 7.5percnt; 15percnt; of the amount stated for declarations of 0.7percnt; or more but less than 5percnt; 0.1 for declarations less than 0.7percnt; Protein If present in excess— 4 for declarations of 20percnt; or more 20percnt; of the amount stated for declarations of 10percnt; or more but less than 20percnt; 2 for declarations less than 10percnt; In case of deficiency— 2 for declarations of 20percnt; or more 10percnt; of the amount stated for declarations of 10percnt; or more but less than 20percnt; 1 for declarations less than 10percnt; Protein equivalent of biuret, diureidoisobutane, urea or urea phosphate plusmn;1.25 or plusmn;20percnt; of the amount stated, whichever is greater Sodium If present in excess— 4.5 for declarations of 15percnt; or more 30percnt; of the amount stated for declarations of 7.5percnt; or more but less than 15percnt; 2.25 for declarations of 5percnt; or more but less than 7.5percnt; 45percnt; of the amount stated for declarations of 0.7percnt; or more but less than 5percnt; 0.3 for declarations less than 0.7percnt; In case of deficiency— 1.5 for declarations of 15percnt; or more 10percnt; of the amount stated for declarations of 7.5percnt; or more but less than 15percnt; 0.75 for declarations of 5percnt; or more but less than 7.5percnt; 15percnt; of the amount stated for declarations of 0.7percnt; or more but less than 5percnt; 0.1 for declarations less than 0.7percnt; Starch and total sugar plus starch If present in excess— 5 for declarations of 25percnt; or more 20percnt; of the amount stated for declarations of 10percnt; or more but less than 25percnt; 2 for declarations less than 10percnt; In case of deficiency— 2.5 for declarations of 25percnt; or more 10percnt; of the amount stated for declarations of 10percnt; or more but less than 25percnt; 1 for declarations less than 10percnt; Threonine In case of deficiency— 30percnt; of the amount stated Total sugar If present in excess— 4 for declarations of 20percnt; or more 20percnt; of the amount stated for declarations of 10percnt; or more but less than 20percnt; 2 for declarations of less than 10percnt; In case of deficiency— 2 for declarations of 20percnt; or more 10percnt; of the amount stated for declarations of 10percnt; or more but less than 20percnt; 1 for declarations less than 10percnt; Tryptophan In case of deficiency— 30percnt; of the amount stated --- Source: https://www.legislation.gov.uk/uksi/2000/2481/schedule/6/part/A (the official version) Page: https://openlegislation.uk/feeding-stuffs-regulations-2000/schedule-6/part-A Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.