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- Latest available (Revised) - Welsh
- Original (As made) - English
- Original (As made) - Welsh
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Regulation 3(1)
The preparation of endo-1,4-beta-xylanase (EC 3.2.1.8) specified in the table, belonging to the additive category “zootechnical additives” and to the functional group “digestibility enhancers”, is authorised as an additive in animal nutrition subject to the conditions set out in the table(1).
(1) Enzyme activity expressed in birch xylan units (BXU), where 1 BXU is the amount of enzyme which liberates 1 nanomole (nmol) of reducing sugars as xylose from birch xylan per second at pH 5.3 and 50°C | |
(2) CAS Registry Number® assigned to this preparation by the Chemical Abstracts Service https://www.cas.org/cas-data/cas-registry. | |
(3) Identification number allocated by the International Union of Biochemistry and Molecular Biology (IUBMB) https://iubmb.org. | |
(4) European Inventory of Existing Commercial Substances, as published in OJ No C 146A, 15.6.90, p.1. | |
(5) Details of the analytical methods are set out in the document referenced “Ares(2019)3101222-10/05/2019” and “JRC F.5/CvH/MGH/AS/Ares”, and last updated on 2 July 2019. Available at: https://joint-research-centre.ec.europa.eu/publications/fad-2018-0071_en. | |
(6) Content of endo-1,4-beta-xylanase (units of activity/kg of complete feed with a moisture content of 12%). | |
Additive | Endo-1,4-beta-xylanase (EC 3.2.1.8) |
Identification number | 4a8i |
Authorisation holder | Roal Oy |
Additive category | Zootechnical additives |
Functional group | Digestibility enhancers |
Additive composition | Preparation of endo-1,4-beta-xylanase (EC 3.2.1.8) produced by fermentation with Trichoderma reesei (CBS 114044) having a minimum enzyme activity of 160,000 BXU/g for both solid and liquid forms(1) |
Characterisation of the active substance(s) | Endo-1,4-beta-xylanase (EC 3.2.1.8) produced by fermentation with Trichoderma reesei (CBS 114044) |
Analytical methods(5) | For the quantification of endo-1,4-beta-xylanase (EC 3.2.1.8) in the feed additive and premixtures:
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For the quantification of endo-1,4-beta-xylanase (EC 3.2.1.8) in feed materials and compound feed:
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Species or category of animal |
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Maximum age | None |
Minimum content(6) | For piglets (weaned):
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For chickens for fattening, chickens reared for laying:
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For turkeys for fattening, turkeys reared for breeding:
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Maximum content(6) | None |
Other provisions | The storage conditions and stability to heat treatment must be stated in the directions for use of the feed additive and premixture |
This authorisation is a renewal of the authorisation granted under Commission Regulation (EC) 902/2009, which is revoked by regulation 7 of, and Schedule 14 to, these Regulations, but see the transitional provision in regulation 4. This feed additive was also previously authorised as a feed additive for laying hens, minor poultry species and pigs for fattening under Commission Implementing Regulation (EU) No1110/2011, which expired on 24 November 2021 and is revoked by regulation 7 of, and Schedule 14 to, these Regulations.
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