# The Feeding Stuffs Regulations 1991, Part VI: Trace Elements Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 EEC No. Element Name of Additive Chemical Formula Kind of Animal Maximum Content of the Element mg/kg in Complete Feeding stuffs Other Provisions E1 Iron-Fe Ferrous carbonate FeCO3 all animals 1250 (total) — Ferrous chloride, tetrahydrate FeCl2.4H2O all animals 1250 (total) — Ferric chloride, hexahydrate FeC13.6H2O all animals 1250 (total) — Ferrous citrate, hexahydrate Fe3(C6H5O7)2.6H2O all animals 1250 (total) — Ferrous fumarate FeC4H2O4 all animals 1250 (total) — Ferrous lactate, trihydrate Fe(C3H5O3)2.3H2O all animals 1250 (total) — Ferric oxide Fe2O3 all animals 1250 (total) — Ferrous sulphate, monohydrate FeSO4.H2O all animals 1250 (total) Permitted: (i) in denatured skimmed milk powder and in compound feeding stuffs manufactured from denatured skimmed milk powder: subject to the mandatory provisions of Commission Regulations (EEC) No.368/77 and (EEC) No.443/77. declaration of the amount of iron added, expressed as the element, on the label or package or container of denatured skimmed milk powder. (ii) in compound feeding stuffs other than those listed under (i). Ferrous sulphate, heptahydrate FeSO4.7H2O all animals 1250 (total) Permitted: (i) in denatured skimmed milk and in compound feeding stuffs manufactured from denatured skimmed milk powder: subject to the mandatory provisions of Commission Regulations (EEC) No. 368/77 and (EEC) No. 443/77. declaration of the amount of iron added, expressed as the element, on the label or package or container of denatured skimmed milk powder. (ii) in compound feeding stuffs other than those listed under (i) above. Ferrous Chelate of Amino Acids hydrate Fe(x) 1-3.nH2O (where × equals an anion of any amino acid derived from hydrolysed Soya Protein) Molecular weight not exceeding 1500 all animals — — E2 Iodine-I Calcium iodate, hexahydrate Ca(IO3)2.6H2O all animals 40 (total) — Calcium iodate, anhydrous Ca(IO3)2 all animals — Sodium iodide NaI all animals — Potassium iodide KI all animals — E3 Cobalt-Co Cobaltous acetate, tetrahydrate Co(CH3COO)2.4H2O all animals 10 (total) — Basic cobaltous carbonate, monohydrate 2CoCO3.3Co(OH)2.H2O all animals — Cobaltous chloride, hexahydrate CoC12.6H2O all animals — Cobaltous sulphate, heptahydrate CoSO4.7H2O all animals — Cobaltous sulphate, monohydrate CoSO46.H2O all animals — Cobaltous nitrate, hexahydrate Co(NO3)2.6H2O all animals — E4 Copper-Cu Cupric acetate, monohydrate Cu(CH3COO)2.H2O Pigs for fattening: — Basic cupric carbonate, monohydrate CuCO3.Cu(OH)2.H2O —over six months 35 (total) Cupric chloride, dihydrate CuC12.ZH2O Breeding pigs: 35 (total) — Cupric methionate Cu(C3H10NO2S)2 Calves: — Cupric oxide CuO —milk replacers: 30 (total) — Cupric sulphate, pentahydrate CuSO4.5H2O other complete feeding stuffs: 50 (total) Ovines: 15 (total) — Other species of animals: 35 (total) Cupric sulphate, monohydrate CuSO4.H2O Pigs for fattening: —over six months 35 (total) Denatured skimmed milk powder and compound feeding stuffs manufactured from denatured skimmed milk powder: Cupric sulphate, pentahydrate CuSO4.5H2O Breeding pigs: 35 (total) — Subject to the relevant provisions of Commission Regulations (EEC) No.368/77 and (EEC) No.443/77. Ovines: 15 (total) — Subject to the relevant provisions of Commission Regulations (EEC) No.368/77 and (EEC) No.443/77. Other species of animals with the exception of calves: 35 (total) — Declaration of the amount of copper added, expressed as the element on the label or package or the container of denatured skimmed milk powder. E5 Manganese-Mn Manganous carbonate MnCO3 all animals 250 (total) — Manganous chloride, tetrahydrate MnC12.4H20 all animals 250 (total) — Manganous hydrogen phosphate, trihydrate MnHPO4.3H2O all animals 250 (total) — Manganous oxide MnO all animals 250 (total) — Manganic oxide Mn 2O3 all animals 250 (total) — Manganous sulphate, tetrahydrate MnSO4.4H2O all animals 250 (total) — Manganous sulphate, monohydrate MnSO4.H2O all animals 250 (total) — E6 Zinc-Zn Zinc lactate, trihydrate Zn(C3H5O3)2.3H2O all animals 250 (total) — Zinc acetate, dihydrate Zn(CH3.COO)2.2H2O all animals 250 (total) — Zinc carbonate ZnCO3 all animals 250 (total) — Zinc chloride, monohydrate ZnC12.H2O all animals 250 (total) — Zinc oxide ZnO all animals 250 (total) — Zinc sulphate, heptahydrate ZnSO4.7H2O all animals 250 (total) — Zinc sulphate, monohydrate ZnSO4.H2O all animals 250 (total) — E7 Molybdenum-Mo Ammonium molybdate (NH4)6Mo7O24.4H2O all animals 2.5 (total) — Sodium molybdate Na2MoO4.2H2O all animals 2.5 (total) — E8 Selenium-Se 0.5 (total) Sodium selenite Na2SeO3 — Sodium selenate Na2SeO4 all animals — --- Source: https://www.legislation.gov.uk/uksi/1991/2840/schedule/4/part/VI (the official version) Page: https://openlegislation.uk/feeding-stuffs-regulations-1991/schedule-4/part-VI Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.