Mixed fodders, raw mixed fodders. Determination of amino acids (lysine, methionine, threonine, cystine and triptophane) content by method of capillary electrophoresis

This document outlines a method for determining the content of specific amino acids, including lysine, methionine, threonine, cysteine, and tryptophan, in compound feed and its raw materials using capillary electrophoresis. It provides detailed procedures for sample preparation, calibration, and analysis, ensuring accurate and consistent results. The standard is applicable to various types of feed products and is intended for use by laboratories and organizations involved in the quality control of feed ingredients. The method described is suitable for routine analytical testing and supports the assessment of nutritional value and safety of feed materials. It covers all necessary steps from sample collection to data interpretation, facilitating reliable amino acid quantification in the specified matrices.