ANNEXU.K.

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	Minimum content	Maximum content	Other provisions	End of period of authorisation
^a Details of the analytical methods are available at the following address of the European Union Reference Laboratory for Feed Additives: https://ec.europa.eu/jrc/en/eurl/feed-additives/evaluation-reports
Identification number of the additive	Name of the holder of authorisation	Additive		Species or category of animal	Maximum age	CFU/kg of complete feedingstuff with a moisture content of 12 %		CFU/l of water for drinking		Other provisions	End of period of authorisation
Category of zootechnical additives. Functional group: gut flora stabilisers.
4b1715	Centro Sperimentale del Latte	Lactobacillus acidophilus CECT 4529	Additive composition Preparation of Lactobacillus acidophilus CECT 4529 containing a minimum of: 5 × 10¹⁰ CFU/g of additive (solid form). Characterisation of the active substance Viable cells of Lactobacillus acidophilus CECT 4529. Analytical method ^a Enumeration: spread plate method (EN 15787). Identification: Pulsed Field Gel Electrophoresis (PFGE).	Laying hens	—	1 × 10⁹	—	5 × 10⁸	—	1. In the directions for use of the additive, premixture and compound feed, indicate the storage conditions and stability to pelleting and in drinking water. 2. For safety: breathing protection shall be used during handling. 3. For use of the additive in water for drinking the homogeneous dispersion of the additive shall be ensured.	3 March 2025