ANNEX IISupplementary provisions
ANNEX II Identification number of the additive Name of the holder of authorisation 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 mg guanidinoacetic acid/kg of complete feed with a moisture content of 12 % Category: Zootechnical additives. Functional group: other zootechnical additives (improvement of performance parameters) 4d372 Alzchem Trostberg GmbH Guanidinoacetic acid Additive composition : Guanidinoacetic acid 98 % on dry matter basis Solid form Characterisation of the active substance: Guanidinoacetic acid produced by chemical synthesis Chemical formula: C 3 H 7 N 3 O 2 CAS number: 352-97-6 Purity: 98 % Impurities: — maximum cyanamide content 0,03 %, — maximum dicyandiamide content 0,5 %. Analytical method ( 1 ) For the determination of guanidinoacetic acid in the compound feed: ion chromatography coupled with ultraviolet detection (IC-UV). Chickens for fattening - 600 1 200 1. The moisture content shall be indicated on the labelling of the additive. 2. In the directions for use of the additive and premixtures, the storage conditions and the stability to heat treatment shall be indicated. 3. When using the additive, attention shall be paid to the supply with vitamin B 12 and methyl donors other than methionine in the diet of the animal. 4. Simultaneous use of this additive in water for drinking and in feed is not permitted. 25 October 2026 Weaned piglets 600 1 200 Pigs for fattening 600 1 200 Identification number of the additive Name of the holder of authorisation 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 mg guanidinoacetic acid/kg of complete feed with a moisture content of 12 % Category: Zootechnical additives. Functional group: other zootechnical additives (improvement of performance parameters) 4d372i Alzchem Trostberg GmbH Guanidinoacetic acid Additive composition : Preparation containing a minimum of 96 % of guanidinoacetic acid. Solid form Characterisation of the active substance: Guanidinoacetic acid produced by chemical synthesis Chemical formula: C 3 H 7 N 3 O 2 CAS number: 352-97-6 Purity: 98 % Impurities: — maximum cyanamide content 0,03 %, — maximum dicyandiamide content 0,5 %. Analytical method ( 2 ) For the determination of guanidinoacetic acid in the compound feed: ion chromatography coupled with ultraviolet detection (IC-UV). Chickens for fattening — 600 1 200 1. The moisture content shall be indicated on the labelling of the additive. 2. In the directions for use of the additive and premixtures, the storage conditions and the stability to heat treatment shall be indicated. 3. When using the additive, attention shall be paid to the supply with vitamin B 12 and methyl donors other than methionine in the diet of the animal. 4. Simultaneous use of this additive in water for drinking and in feed is not permitted. 25 October 2026 Weaned piglets 600 1 200 Pigs for fattening 600 1 200 ( 1 ) Details of the analytical methods are available at the following address of the Reference Laboratory: https://joint-research-centre.ec.europa.eu/eurl-fa-eurl-feed-additives/eurl-fa-authorisation/eurl-fa-evaluation-reports_en ( 2 ) Details of the analytical methods are available at the following address of the Reference Laboratory: https://joint-research-centre.ec.europa.eu/eurl-fa-eurl-feed-additives/eurl-fa-authorisation/eurl-fa-evaluation-reports_en