Commission Implementing Regulation (EU) 2025/2505 of 11 December 2025 concerning the authorisation of guanidinoacetic acid and a preparation of guanidinoacetic acid as feed additives for weaned piglets and pigs for fattening in water for drinking and for turkeys for fattening and reared for breeding in feed and water for drinking (holder of authorisation: Alzchem Trostberg GmbH), and amending Implementing Regulation (EU) 2023/2628

The substance and the preparation specified in the Annex, belonging to the additive category ‘zootechnical additives’ and to the functional group ‘other zootechnical additives’, are authorised as additives in animal nutrition, subject to the conditions laid down in that Annex.

In Annex I to Implementing Regulation (EU) 2023/2628 in the column ‘Other provisions’ in each of the four tables the following point is added: ‘6. Taking account of the actual intake of water for drinking relative to feed by the animals, it shall be ensured that the amount of guanidinoacetic acid administered via water for drinking is not higher than what it would be if fed at the maximum content of 1200 mg/kg complete feed.’

This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union.