Annex III

United Kingdom

EC No	Additive	Chemical formula, description	Species or category of animal	Maximum age	Minimum content	Maximum content	Other provisions	End of period of authorisation
1 U is the amount of enzyme which liberates 1 micromole of reducing sugars (glucose equivalents) from barley beta-glucan per minute at pH 5,0 and 30 °C.
1 U is the amount of enzyme which liberates 1 micromole of reducing sugars (xylose equivalents) from oat spelt xylan per minute at pH 5,3 and 50 °C.
1 U is the amount of enzyme which liberates 1 microgram of phenolic compound (tyrosine equivalents) from a casein substrate per minute at pH 7,5 and 40 °C.
EC No	Additive	Chemical formula, description	Species or category of animal	Maximum age	Units of activity/kg of complete feedingstuff		Other provisions	End of period of authorisation
Enzymes
E 1623	Endo-1,3(4)-beta-glucanase EC 3.2.1.6 Endo-1,4-beta-xylanase EC 3.2.1.8 Subtilisin EC 3.4.21.62	Preparation of endo-1,3(4)-beta-glucanase produced by Trichoderma longibrachiatum (ATCC 2106), endo-1,4-beta-xylanase produced by Trichoderma longibrachiatum (ATCC 2105) and subtilisin produced by Bacillus subtilis (ATCC 2107) having a minimum activity of: endo-1,3(4)-beta-glucanase: 200 U^f1/g endo-1,4-beta-xylanase: 5 000 U^f2/g subtilisin: 1 600 U^f3/g	Chickens for fattening	—	endo-1,3(4)-beta-glucanase: 25 U	—	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 kg of complete feedingstuff: endo-1,3(4)-beta-glucanase: 25-100 U endo-1,4-beta-xylanase: 625-2 500 U subtilisin: 200-800 U. 3. For use in compound feed, e.g. containing more than 30 % wheat and 10 % barley.	Without a time-limit
					endo-1,4-beta-xylanase: 625 U	—
					subtilisin: 200 U	—

Annotations

Footnotes

f1: 1 U is the amount of enzyme which liberates 1 micromole of reducing sugars (glucose equivalents) from barley beta-glucan per minute at pH 5,0 and 30 °C.
f2: 1 U is the amount of enzyme which liberates 1 micromole of reducing sugars (xylose equivalents) from oat spelt xylan per minute at pH 5,3 and 50 °C.
f3: 1 U is the amount of enzyme which liberates 1 microgram of phenolic compound (tyrosine equivalents) from a casein substrate per minute at pH 7,5 and 40 °C.