CORDIS proporciona enlaces a los documentos públicos y las publicaciones de los proyectos de los programas marco HORIZONTE.
Los enlaces a los documentos y las publicaciones de los proyectos del Séptimo Programa Marco, así como los enlaces a algunos tipos de resultados específicos, como conjuntos de datos y «software», se obtienen dinámicamente de OpenAIRE .
Resultado final
A new method is proposed to the feed industry and feed quality controls authorities for the evaluation of homogeneity and/or cross-contamination during the feed production or transport.
The new method uses the methodology recommended by Tecaliman previously (organisation of the industrial trial, number of batches to produce, points of incorporation, sampling method, analyses of the tracer quantification results and interpretation of the results), with the use of a mineral tracer including the rare-earth yttrium, with an incorporation level of 100ppm to 200ppm depending on the tests to perform.
The new method is recommended in particular for feed encountering a severe heat or compression treatment for which a stable tracer is needed. This method can also be used in any feed (but is not recommended for premixes), and in combination with other tracers (such as Microtracers) is wished.
Analytical quantification of yttrium in feed by atomic emission spectrometry.
Adaptation of the analytical protocol for the quantification of yttrium in feed. The quantification is performed by ICP-AES (induced coupled plasma atomic emission spectrometry) after mineralisation and solubilisation in acid of the sample.
Comparison of the results obtained for the evaluation of the homogeneity and of the cross-contamination in several industrial trials in feed by the following methods-tracers: Microtracers, methylviolet, yttrium, ytterbium and in a few cases cobalt and oxytetracycline.
As the tracers were tested simultaneously in the industrial trials, a direct comparison of their evaluation of the feed homogeneity and of the level of cross-contamination is possible. The comparison is provided through ranking tables of the evaluation obtained.
This comparison is included in the proceedings of the final workshop of the project available on CD-ROMs.
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