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Multielemental Analysis of Agroindustrial By-Products Employed in Animal Feeding by INAA

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Abstract

Instrumental neutron activation analysis (INAA) with gamma-ray spectrometry was applied to determine As, Ca, Cd, Cl, Co, Cu, Cr, Fe, Hg, K, Mg, Mn, Mo, Na, Sb, Se and Zn in the Brazilian agroindustrial by-products. These materials are widely used in ruminant feeding. The results obtained were compared with requirement and maximum tolerable concentrations. The general conclusions from the data obtained were: (1) many by-products presented concentrations of some essential elements lower than the requirement concentrations, while in some concentrations of Cr, Fe, Mg and Se exceeded by a little the maximum tolerable concentrations, (2) the elements As, Cd, Hg and Sb, generally considered toxic, showed concentrations lower than maximum tolerable values.

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Authors and Affiliations

  1. Supervisão de Radioquímica, IPEN-CNEN/SP, Caixa Postal 11049-Pinheiros, CEP 05422-970, São Paulo-SP, Brasil

    C. M. Teruya & M. Saiki

  2. Supervisão de Radioquímica, IPEN-CNEN/SP, Caixa Postal 11049 - Pinheiros, CEP 05422-970, São Paulo-SP, Brasil

    M. J. A. Armelin

  3. Departamento de Zootecnia, da Universidade Federal de Lavras, Caixa Postal 37, CEP 37200-000, Lavras - Minas Gerais-MG, Brasil

    J. C. Silva Filho

  4. Centro de Pesquisa de Pecuária do Sudeste - CPPSE/EMBRAPA, Caixa Postal 339, CEP 13560-970, São Carlos-SP, Brasil

    A. G. Silva

Authors
  1. C. M. Teruya
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  2. M. J. A. Armelin
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  3. J. C. Silva Filho
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  4. A. G. Silva
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  5. M. Saiki
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Teruya, C.M., Armelin, M.J.A., Filho, J.C.S. et al. Multielemental Analysis of Agroindustrial By-Products Employed in Animal Feeding by INAA. Journal of Radioanalytical and Nuclear Chemistry 244, 237–240 (2000). https://doi.org/10.1023/A:1006717710569

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  • DOI: https://doi.org/10.1023/A:1006717710569

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