1. Scientific Opinion of the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) and of the Panel on Genetically Modified Organisms (GMO) on the efficacy of Avizyme 1505 (endo-1, 4-β-xylanase, α-amylase, subtilisin) as a feed additive for chickens and ducks for fattening;EFSA (European Food Safety Authority);The EFSA Journal,2009