Identification number of the additive | Additive | Composition, chemical formula, description, analytical method | Species or category of animal | Maximum age | Minimum content | Maximum content | Other provisions | End of period of authorisation |
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Element (Co) in mg/kg of complete feed with a moisture content of 12 % |
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Category of nutritional additives. Functional group: compounds of trace elements |
3b301 | Cobalt(II) acetate tetrahydrate | Additive compositionCobalt(II) acetate tetrahydrate, as crystals/granules, with a minimum content of 23% cobaltParticles < 50 μm: below 1 %Characterisation of the active substanceChemical formula:Co(CH3COO)2 x 4H2OCAS number: 6147-53-1Analytical methodsFor the identification of acetate in the additive:- European Pharmacopoeia monograph 01/2008:20301.
For the crystallographic characterisation of the additive:- X-Ray diffraction.
For the determination of total cobalt in the additive, premixtures, compound feed and feed materials:- EN 15510 - inductively coupled plasma optical (atomic) emission spectrometry (ICP-AES)or
- CEN/TS 15621 - inductively coupled plasma optical (atomic) emission spectrometry (ICP-AES) after pressure digestion.
For the determination of particle size distribution:- ISO 13320 - Particle size analysis - Laser diffraction methods.
| Ruminants with a functional rumen, equidae, lagomorphs | - | - | 1 (total) | - 1.The additive shall be incorporated into compound feed in the form of a premixture.
- 2.Declarations to be made on the labelling of the additive and premixture:
- Cobalt content
- "It is recommended to limit the supplementation with Cobalt to 0,3 mg/kg in complete feed. In this context, the risk for Cobalt deficiency due to local conditions and the specific composition of the diet should be taken into account."
- 3.For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks resulting from their use. Where those risks cannot be eliminated by such procedures and measures, the additive and premixtures shall be used with personal skin, eye and breathing protective equipment.
- 4.Declaration to be made in the instructions of use of the compound feed: "Protective measures to avoid exposure with Cobalt by inhalation or by dermal route should be taken."
| As soon as a decision on the authorisation of the additive has been taken under Article 9 of Regulation (EC) No 1831/2003 and at the latest on 14 July 2028. |
3b302 | Cobalt(II) carbonate | Additive compositionCobalt(II) carbonate, as powder, with a content of 45% - 48% cobaltCobalt carbonate: minimum 75%Cobalt hydroxide: 3% - 15%Water: maximum 6%Particles < 11 μm: below 90 %Characterisation of the active substanceChemical formula: CoCO3CAS number: 513-79-1Analytical methodsFor the identification of carbonate in the additive:- European Pharmacopoeia monograph 01/2008:20301.
For the crystallographic characterisation of the additive:- X-Ray diffraction.
For the determination of total cobalt in the additive, premixtures, compound feed and feed materials:- EN 15510 - inductively coupled plasma optical (atomic) emission spectrometry (ICP-AES)or
- CEN/TS 15621 - inductively coupled plasma optical (atomic) emission spectrometry (ICP-AES) after pressure digestion.
For the determination of particle size distribution:- ISO 13320 - Particle size analysis - Laser diffraction methods.
| Ruminants with a functional rumen, equidae, lagomorphs | - | - | 1 (total) | - 1.The additive shall be incorporated into compound feed in the form of a premixture. This compound feed shall be placed on the market in a non-powder form.
- 2.Declarations to be made on the labelling of the additive and premixture:
- Cobalt content
- "It is recommended to limit the supplementation with Cobalt to 0,3 mg/kg in complete feed. In this context, the risk for Cobalt deficiency due to local conditions and the specific composition of the diet should be taken into account."
- 3.For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks resulting from their use. Where those risks cannot be eliminated by such procedures and measures, the additive and premixtures shall be used with personal skin, eye and breathing protective equipment.
- 4.Declaration to be made in the instructions of use of the compound feed: "Protective measures to avoid exposure with Cobalt by inhalation or by dermal route should be taken."
| As soon as a decision on the authorisation of the additive has been taken under Article 9 of Regulation (EC) No 1831/2003 and at the latest on 14 July 2028. |
3b303 | Cobalt(II) carbonate hydroxide (2:3) monohydrate | Additive compositionCobalt(II) carbonate hydroxide (2:3) monohydrate, as powder, with a minimum content of 50% cobaltParticles < 50 μm: below 98 %Characterisation of the active substanceChemical formula:2CoCO3 x 3Co(OH)2 x H2OCAS number: 51839-24-8Analytical methodsFor the identification of carbonate in the additive:- European Pharmacopoeia monograph 01/2008:20301.
For the crystallographic characterisation of the additive:- X-Ray diffraction.
For the determination of total cobalt in the additive, premixtures, compound feed and feed materials:- EN 15510 - inductively coupled plasma optical (atomic) emission spectrometry (ICP-AES)or
- CEN/TS 15621 - inductively coupled plasma optical (atomic) emission spectrometry (ICP-AES) after pressure digestion.
For the determination of particle size distribution:- ISO 13320 - Particle size analysis - Laser diffraction methods.
| Ruminants with a functional rumen, equidae, lagomorphs | - | - | 1 (total) | - 1.The additive shall be incorporated into compound feed in the form of a premixture. This compound feed shall be placed on the market in a non-powder form.
- 2.Declarations to be made on the labelling of the additive and premixture:
- Cobalt content
- "It is recommended to limit the supplementation with Cobalt to 0,3 mg/kg in complete feed. In this context, the risk for Cobalt deficiency due to local conditions and the specific composition of the diet should be taken into account."
- 3.For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks resulting from their use. Where those risks cannot be eliminated by such procedures and measures, the additive and premixtures shall be used with personal skin, eye and breathing protective equipment.
- 4.Declaration to be made in the instructions of use of the compound feed: "Protective measures to avoid exposure with Cobalt by inhalation or by dermal route should be taken."
| As soon as a decision on the authorisation of the additive has been taken under Article 9 of Regulation (EC) No 1831/2003 and at the latest on 14 July 2028. |
3b305 | Cobalt(II) sulphate, heptahydrate | Additive compositionCobalt(II) sulphate, heptahydrate, as powder, with a minimum content of 20% cobaltParticles < 50 μm: below 95 %Characterisation of the active substanceChemical formula: CoSO4 x 7H2OCAS number: 10026-24-1Analytical methodsFor the identification of sulphate in the additive:- European Pharmacopoeia monograph 01/2008:20301.
For the crystallographic characterisation of the additive:- X-Ray diffraction.
For the determination of total cobalt in the additive, premixtures, compound feed and feed materials:- EN 15510 - inductively coupled plasma optical (atomic) emission spectrometry (ICP-AES)or
- CEN/TS 15621 - inductively coupled plasma optical (atomic) emission spectrometry (ICP-AES) after pressure digestion.
For the determination of particle size distribution:- ISO 13320 - Particle size analysis - Laser diffraction methods.
| Ruminants with a functional rumen, equidae, lagomorphs | - | - | 1 (total) | - 1.The additive shall be incorporated into compound feed in the form of a premixture. This compound feed shall be placed on the market in a non-powder form.
- 2.Declarations to be made on the labelling of the additive and premixture:
- Cobalt content
- "It is recommended to limit the supplementation with Cobalt to 0,3 mg/kg in complete feed. In this context, the risk for Cobalt deficiency due to local conditions and the specific composition of the diet should be taken into account."
- 3.For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks resulting from their use. Where those risks cannot be eliminated by such procedures and measures, the additive and premixtures shall be used with personal skin, eye and breathing protective equipment.
- 4.Declaration to be made in the instructions of use of the compound feed: "Protective measures to avoid exposure with Cobalt by inhalation or by dermal route should be taken."
| As soon as a decision on the authorisation of the additive has been taken under Article 9 of Regulation (EC) No 1831/2003 and at the latest on 14 July 2028. |