Commission Implementing Regulation (EU) Nº 1206/2012 of 14 December 2012 concerning the authorisation of a preparation of endo-1,4-beta-xylanase produced by Aspergillus oryzae (DSM 10287) as a feed additive for poultry for fattening, weaned piglets and pigs for fattening and amending Regulations (EC) Nº 1332/2004 and (EC) Nº 2036/2005 (holder of the authorisation DSM Nutritional Products)