Abstract
The authors provided information about the developed matrix feed reference materials, certified for quality, nutritional value and toxicological contamination indicators for metrological support of analytical work in the article to confirm the compliance of products with requirements of national standards. Information on the stages of development of feed reference materials (selection and preparation of reference material, studies of heterogeneity and stability of feed reference material) is presented. There are demonstrated the results of reference materials certification according to certified indicators, their correctness confirmed by the results of thirty accredited laboratories.The developed reference material of sunflower meal is registered in the State Register of approved types of reference materials under the number GSO 11612-2020. Reference materials of the composition of toasted soybean feed meal and complete feed for poultry (broilers) are approved as Industry-Specific by the Ministry of Agriculture of the Russian Federation (Department of Plant Production, Mechanization, Chemicalization and Plant Protection).Feed reference materials are intended for metrological support of agro-industrial complex laboratories.
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