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Do rearing system and free-range stocking density affect meat quality of chickens fed feed mixture with rapeseed oil?

Author

Listed:
  • Věra Skřivanová

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

  • Eva Tůmová

    (Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Michaela Englmaierová

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

  • Darina Chodová

    (Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Miloš Skřivan

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

Abstract

Recently, consumers have paid an attention to animal-friendly meat. The aim of the study was to evaluate the meat quality of breast muscles in indoor and free-range chickens with respect to the stocking density of outdoor chickens (8.3 or 4.15 birds per m2) fed feed with rapeseed oil. The free-range chickens reached 96 and 97% of the final live weight of the indoor chickens and their feed : gain ratio was by 7 and 9% higher. The pasture intake had a small effect on the breast meat quality and was presumably associated with rapeseed oil in the basal diet which strongly influenced meat monounsaturated and polyunsaturated fatty acid content and reduced the effect of pasture. The free-range system and lower stocking density led to an increase in muscle fibre cross-sectional area and diameter and a higher meat shear force (P = 0.003). Concerning the meat sensory properties, the total acceptability of the meat of free-range chickens with a lower stocking density was found to be lower compared with the other groups.esults indicate a minor effect of the rearing system and free-range stocking density on chicken meat quality, and also that meat quality in experiments with free-range housing can be affected by a fat source in basal diet.

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlcjs:v:62:y:2017:i:4:id:79-2016-cjas
    DOI: 10.17221/79/2016-CJAS
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    References listed on IDEAS

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    1. M. Skřivan & S.H. Pickinpaugh & V. Pavlů & E. Skřivanová & M. Englmaierová, 2015. "A mobile system for rearing meat chickens on pasture," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 60(2), pages 52-59.
    2. D. Chodová & E. Tůmová & Z. Volek & V. Skřivanová & J. Vlčková, 2016. "The effect of one-week intensive feed restriction and age on the carcass composition and meat quality of growing rabbits," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 61(4), pages 151-158.
    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. 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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    Cited by:

    1. 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.
    2. Miloš Skřivan & Milan Marounek & Michaela Englmaierová & Eva Skřivanová & Kateřina Růnová, 2018. "Effect of freeze-dried pasture herbage on ileal digestibility of amino acids and fatty acids in chickens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 63(6), pages 222-229.
    3. Michaela Englmaierová & Miloš Skřivan & Tomáš Vít, 2019. "Alfalfa meal as a source of carotenoids in combination with ascorbic acid in the diet of laying hens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 64(1), pages 17-25.

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    2. 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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