Commission Implementing Regulation (EU) No 495/2011 of 20 May 2011 amending Regulation (EC) No 109/2007 as regards the composition of the feed additive monensin sodium (Text with EEA relevance) (c. 495) xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"