DS/EN ISO 13904:2005
Animal feeding stuffs – Determination of tryptophan content

Standard No.

DS/EN ISO 13904:2005

Release Date

2005

Published By

Danish Standards Foundation

Latest

DS/EN ISO 13904:2005

Scope

This standard describes the determination of the total and free tryptophan in feeding stuffs (e.g. complete and complementary feeds, supplementary feeds, raw materials, ingredients, premixtures and concentrates). It does not distinguish between D- and L-forms.

DS/EN ISO 13904:2005 history

• 2005 DS/EN ISO 13904:2005 Animal feeding stuffs – Determination of tryptophan content