4a36 | Kemin Europa N.V. | Endo–1,4-beta-xylanase (EC 3.2.1.8) | Additive compositionPreparation of endo–1,4-beta-xylanase produced by Komagataella phaffii ATCC PTA-127053 with a minimum activity of 3000000 U/g.Solid form.Characterisation of the active substanceEndo–1,4-beta-xylanase (EC 3.2.1.8) produced by Komagataella phaffii ATCC PTA-127053.Analytical method For the determination of endo–1,4-beta-xylanase in the feed additive: colorimetric method based on the enzymatic hydrolysis of endo–1,4-beta-xylanase on the beechwood xylan substrate.For the determination of endo–1,4-beta-xylanase in premixtures and compound feed: colorimetric method based on the enzymatic reaction of endo–1,4-beta-xylanase on the azurine cross-linked wheat arabinoxylan substrate. | All poultry species for fatteningAll poultry species reared for laying or breeding | – | 30000 U | – | 1.In the directions for use of the additive and premixture, the storage conditions and stability to heat treatment shall be indicated.2.For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks resulting from its use. Where those risks cannot be eliminated by such procedures and measures, the additive and premixtures shall be used with personal breathing and skin protective equipment. | 8 January 2034 |