Commission Implementing Regulation (EU) 2026/1019 of 7 May 2026 concerning the authorisation of guanidinoacetic acid and a preparation of guanidinoacetic acid as feed additives for chickens for fattening, chickens reared for laying, chickens reared for reproduction, turkeys for fattening and turkeys reared for reproduction (Holder of authorisation: Evonik Operations GmbH)