4a 28 | Kaesler Nutrition GmbH | Endo-1,4-beta-xylanaseEC 3.2.1.8Endo-1,3(4)-beta-glucanaseEC 3.2.1.6 | Additive compositionPreparation of endo-1,4-beta-xylanase and endo-1,3(4)-beta-glucanase produced by Komagataella pastoris (CBS 25376) and Komagataella pastoris (CBS 26469) having a minimum activity of:25000 LXU/g and 2200 LGU/gSolid and liquid form.Characterisation of the active substanceendo-1,4-beta-xylanase and endo-1,3(4)-beta-glucanase produced by Komagataella pastoris (CBS 25376) and Komagataella pastoris (CBS 26469)Analytical methodDetermination in the feed additive, premixtures and feedingstuffs of xylanase- colorimetric method based on the quantification of water soluble dyed fragments produced by the action of endo-1,4-β-xylanase on cross-linked wheat arabinoxylan.
Determination in the feed additive, premixtures and feedingstuffs of endo-1,3(4)-beta-glucanase:- colorimetric method based on the quantification of water soluble dyed fragments produced by the action of endo-1,3(4)-beta-glucanase on cross-linked azo-barley-glucan.
| Chickens for fatteningChickens reared for laying | — | 4250 LXU375 LGU | — | - 1.In the directions for use of the additive and premixtures, the storage conditions and stability to heat treatment shall be indicated.
- 2.For use in weaned piglets up to 35 kg of body weight.
- 3.For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks from their use. Where those risks cannot be eliminated or reduced to a minimum by such procedures and measures, the additive and premixtures shall be used with personal protective equipment.
| 21.8.2028 |