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Design and preliminary evaluation of a procedure for the sampling of incoming bulk raw materials in a feedstuff factory

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Abstract

The sampling procedure currently applied in a feedstuff factory for incoming raw materials was compared with another sampling method (designed by the authors). The commodities considered were maize, soya and barley, and the sampling protocols were evaluated on the basis of the results obtained when samples taken by both methods were analyzed for moisture and specific gravity. The differences observed in the results obtained from samples collected by both sampling procedures were not statistically significant (two-sided t-test, α=0.05) and hence the validity of the current method was confirmed. However, the results showed that the raw materials become stratified during travel from origin to factory, and this must be taken into account. To improve the current sampling protocol, the points where samples have to be taken must be specified.

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Acknowledgements

The authors gratefully acknowledge the help and facilities provided by Cooperativa ICOS S.C.G. (Chantada, Lugo, Spain), and the collaboration of its General Director, Mr. Jesús Bardelás, is especially thanked.

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Authors and Affiliations

  1. Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Sciences, University of Santiago de Compostela, Avda. Alfonso X El Sabio, s/n. E-27002, Lugo, Spain

    José Antonio Moure-Alonso & Manuel Aboal-Somoza

  2. Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, University of Santiago de Compostela, Avda. de las Ciencias, s/n. E-15782, Santiago de Compostela, La Coruña, Spain

    Pilar Bermejo-Barrera

Authors
  1. José Antonio Moure-Alonso
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  2. Manuel Aboal-Somoza
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  3. Pilar Bermejo-Barrera
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Correspondence to Pilar Bermejo-Barrera.

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Moure-Alonso, J.A., Aboal-Somoza, M. & Bermejo-Barrera, P. Design and preliminary evaluation of a procedure for the sampling of incoming bulk raw materials in a feedstuff factory. Accred Qual Assur 10, 164–171 (2005). https://doi.org/10.1007/s00769-004-0901-3

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  • DOI: https://doi.org/10.1007/s00769-004-0901-3

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