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Relationship between muscle fibre characteristics and meat sensory properties in three nutria (Myocastor coypus) colour types

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)

  • L. Uhlířová

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

  • J. Vlčková

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

  • Z. Volek

    (Department of Physiology of Nutrition and Quality of Animal Products, Institute of Animal Science Prague-Uhříněves, Czech Republic)

  • V. Skřivanová

    (Department of Physiology of Nutrition and Quality of Animal Products, Institute of Animal Science Prague-Uhříněves, Czech Republic)

Abstract

The study determined the muscle fibre characteristics and sensory properties of the longissimus lumborum muscle (LL) of eight-month-old nutrias of three colour types and the correlations between meat histochemical measurements and eating quality. The following nutria colour types were used in the experiment: Standard (ST), Moravian Silver (MS), and Prestice Multicolour (PM). The nutria colour type significantly (P < 0.001) affected the number of type IIB fibres with the lowest number in ST (108 per mm2). The proportion of type I fibres varied between 10.6 and 14.2%; type IIA fibres varied between 6.1 and 7.8%; and type IIB fibres varied between 78.2 and 83.4% and it was not affected by colour type. The cross-sectional area (CSA) was 2.565-2.841 µm2 in type I, 2.867-3.010 µm2 in type IIA, and 4.698-5.517 µm2 in type IIB fibres. The CSA of type IIB fibres (P < 0.001) was the largest in ST. The sensory trait of tenderness (P < 0.05) was the lowest in MS. Correlations between the proportion of fibres and sensory traits were not observed. The CSA of type I fibres correlated with flavour (0.19) and the CSA of type IIB fibres with tenderness (0.10).

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlcjs:v:61:y:2016:i:5:id:59-2015-cjas
    DOI: 10.17221/59/2015-CJAS
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    References listed on IDEAS

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    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.
    2. K. Kaplanová & L. Putnová & M. Bryndová & P. Bartoňová & I. Vrtková & J. Dvořák, 2012. "Microsatellite variability in nutria (Myocastor coypus) genetic resource in the Czech Republic," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 57(4), pages 171-177.
    3. 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.
    4. D. Chodová & E. Tůmová & M. Martinec & Z. Bízková & V. Skřivanová & Z. Volek & L. Zita, 2014. "Effect of housing system and genotype on rabbit meat quality," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(4), pages 190-199.
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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.

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