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Carcass composition and meat quality of Czech genetic resources of nutrias (Myocastor coypus)

Author

Listed:
  • E. Tůmová

    (Department of Animal Husbandry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • D. Chodová

    (Department of Animal Husbandry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • J. Svobodová

    (Department of Animal Husbandry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • L. Uhlířová

    (Department of Animal Husbandry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
    Institute of Animal Science, Prague-Uhříněves, Czech Republic)

  • Z. Volek

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

Abstract

The effects of sex and colour type on carcass composition, nutrients content, and muscle fibre characteristics of hind leg meat of nutrias raised under intensive conditions were the focus of this study. Thirty-six eight-month-old nutrias of both sexes with three colour types (Standard nutria, ST; Moravian Silver, MS; and Prestice Multicolour, PM) were studied. Live weight was affected by colour type (P < 0.05) and sex (P < 0.001); however, no effects of these variables were found for the dressing out percentage. Crude protein content was significantly higher in males than in females, whereas crude fat content was higher in females. A significant interaction between colour type and sex was found for hydroxyproline and ash contents. Fatty acids were affected primarily by the sex of nutrias. No effect of colour type on the distribution of muscle fibres in the Biceps femoris muscle was found. However, females had fewer βR (P < 0.05) and more αR fibres (P < 0.001) than males.

Suggested Citation

  • E. Tůmová & D. Chodová & J. Svobodová & L. Uhlířová & Z. Volek, 2015. "Carcass composition and meat quality of Czech genetic resources of nutrias (Myocastor coypus)," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 60(11), pages 479-486.
    • Handle: RePEc:caa:jnlcjs:v:60:y:2015:i:11:id:8556-cjas
    DOI: 10.17221/8556-CJAS
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    Citations

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    Cited by:

    1. Věra Skřivanová & Eva Tůmová & Michaela Englmaierová & Darina Chodová & Miloš Skřivan, 2017. "Do rearing system and free-range stocking density affect meat quality of chickens fed feed mixture with rapeseed oil?," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 62(4), pages 141-149.
    2. Tomáš Němeček & Eva Tůmová & Darina Chodová, 2019. "Effect of sex on growth, biochemical and haematological parameters of blood, carcass value and meat quality in nutrias (Myocastor coypus)," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 64(4), pages 166-173.
    3. E. Tůmová & D. Chodová & L. Uhlířová & J. Vlčková & Z. Volek & V. Skřivanová, 2016. "Relationship between muscle fibre characteristics and meat sensory properties in three nutria (Myocastor coypus) colour types," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 61(5), pages 217-222.

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