Changes made by Regulation (EU) 2020/238 concerning the authorisation of L-threonine as a feed additive for all animal species
EU Regulation 2020/238
No changes made by Regulation (EU) 2020/238 concerning the authorisation of L-threonine as a feed additive for all animal species are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.