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Effect of dietary selenium on lipid oxidation, selenium and vitamin E content in the meat of broiler chickens

Author

Listed:
  • M. Skřivan

    (Institute of Animal Science, Prague-Uhříněves, Czech Republic)

  • G. Dlouhá

    (Institute of Animal Science, Prague-Uhříněves, Czech Republic)

  • O. Mašata

    (Institute of Animal Science, Prague-Uhříněves, Czech Republic)

  • S. Ševčíková

    (Institute of Animal Science, Prague-Uhříněves, Czech Republic)

Abstract

An experiment was conducted to compare the effect of dietary sodium selenite and selenomethionine on selenium and α-tocopherol concentration in breast meat, oxidative stability of meat in broilers, and on growth performance, but only as an unimportant criterion in this case. Sexed broiler cockerels Ross 308 were allocated to 3 dietary treatments, each comprising 100 chickens. The basal diet was supplemented with 0 (control) or 0.3 mg/kg Se from sodium selenite (SS) or selenomethionine (SM). Dietary supplementation with SM increased (P < 0.05) body weight, but only by about 3%. Breast muscle Se concentration was increased (P < 0.05) by both Se sources, but more by SM (1.32 mg/kg dry matter; 0.47 mg/kg DM in control). The concentration of Se in excreta was 3 times higher with SS supplement than with SM supplement. Dietary Se supplementation increased (P < 0.05) the α-tocopherol content of breast meat from 25.9 mg/kg DM in the control to 33.2 mg/kg DM when SM supplementation was used. Furthermore, lipid peroxidation decreased compared to the control. The inclusion of SM in the diet reduced (P < 0.05) malondialdehyde (MDA) values in breast samples after 0, 3, and 5 days of cooler storage, whereas SS decreased (P < 0.05) the MDA of breast meat after 0 and 3 days of storage. The results of this experiment indicate that selenomethionine in the diet of broilers is capable of simultaneously increasing the content of selenium and vitamin E in broiler meat plus its stability in storage.

Suggested Citation

  • M. Skřivan & G. Dlouhá & O. Mašata & S. Ševčíková, 2008. "Effect of dietary selenium on lipid oxidation, selenium and vitamin E content in the meat of broiler chickens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 53(7), pages 306-311.
    • Handle: RePEc:caa:jnlcjs:v:53:y:2008:i:7:id:358-cjas
    DOI: 10.17221/358-CJAS
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    References listed on IDEAS

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    1. A. Dokoupilová & M. Marounek & V. Skřivanová & P. Březina, 2007. "Selenium content in tissues and meat quality in rabbits fed selenium yeast," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 52(6), pages 165-169.
    2. S. Ševčíková & M. Skřivan & G. Dlouhá & M. Koucký, 2006. "The effect of selenium source on the performance and meat quality of broiler chickens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 51(10), pages 449-457.
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    Cited by:

    1. P. Suchý & E. Straková & I. Herzig, 2014. "Selenium in poultry nutrition: a review," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(11), pages 495-503.

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