Annex II

United Kingdom

1 QXU is the amount of enzyme which liberates 1 micromole of reducing sugars (xylose equivalents) from oat xylan per minute at pH 5,1 and 50 °C.

1 QGU is the amount of enzyme which liberates 1 micromole of reducing sugars (glucose equivalents) from barley beta-glucan per minute at pH 4,8 and 50 °C.’

No (or EC No) Additive Chemical formula, description Species or category of animal Maximum age Minimum content Maximum content Other provisions End of period of authorisation
Units of activity/kg of complete feedingstuff
‘Enzymes
24
Endo-1,4-beta-xylanase

EC 3.2.1.8

Endo-1,3(4)-beta-glucanase

EC 3.2.1.6

Preparation of endo-1,4-beta-xylanase and endo-1,3(4)-beta-glucanase produced by Aspergillus niger (CNCM I-1517) having a minimum activity of:

28 000 QXU ^f1/g

140 000 QGU ^f2/g

Turkeys for fattening —
280 QXU

1 400 QGU

840 QXU

4 200 QGU

1.

In the directions for use of the additive and premixture, indicate the storage temperature, storage life, and stability to pelleting.

2.

Recommended dose per kilogram of complete feedingstuff:

560 QXU

2 800 QGU.

3.

For use in compound feed rich in non-starch polysaccharides (mainly arabinoxylans and beta-glucans), e.g. containing more than 20 % wheat and/or barley.

28.2.2007

1 QXU is the amount of enzyme which liberates 1 micromole of reducing sugars (xylose equivalents) from oat xylan per minute at pH 5,1 and 50 °C.
1 QGU is the amount of enzyme which liberates 1 micromole of reducing sugars (glucose equivalents) from barley beta-glucan per minute at pH 4,8 and 50 °C.’
No (or EC No)	Additive	Chemical formula, description	Species or category of animal	Maximum age	Minimum content	Maximum content	Other provisions	End of period of authorisation
Units of activity/kg of complete feedingstuff
‘Enzymes
24	Endo-1,4-beta-xylanase EC 3.2.1.8 Endo-1,3(4)-beta-glucanase EC 3.2.1.6	Preparation of endo-1,4-beta-xylanase and endo-1,3(4)-beta-glucanase produced by Aspergillus niger (CNCM I-1517) having a minimum activity of: 28 000 QXU ^f1/g 140 000 QGU ^f2/g	Turkeys for fattening	—	280 QXU 1 400 QGU	840 QXU 4 200 QGU	1. In the directions for use of the additive and premixture, indicate the storage temperature, storage life, and stability to pelleting. 2. Recommended dose per kilogram of complete feedingstuff: 560 QXU 2 800 QGU. 3. For use in compound feed rich in non-starch polysaccharides (mainly arabinoxylans and beta-glucans), e.g. containing more than 20 % wheat and/or barley.	28.2.2007

Annotations

Footnotes

f1: 1 QXU is the amount of enzyme which liberates 1 micromole of reducing sugars (xylose equivalents) from oat xylan per minute at pH 5,1 and 50 °C.
f2: 1 QGU is the amount of enzyme which liberates 1 micromole of reducing sugars (glucose equivalents) from barley beta-glucan per minute at pH 4,8 and 50 °C.’