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The effect of one-week intensive feed restriction and age on the carcass composition and meat quality of growing rabbits

Author

Listed:
  • D. Chodová

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

  • E. Tůmová

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

  • Z. Volek

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

  • V. Skřivanová

    (Institute of Animal Science Prague-Uhříněves, 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)

Abstract

The effect of one-week intensive feed restriction on the carcass characteristics, meat tenderness, cooking loss, and muscle fibre characteristics of growing rabbits was evaluated. Weaned rabbits (35 days) were divided into three groups: rabbits fed ad libitum (ADL), rabbits fed 50 g (R50), and rabbits fed 65 g (R65) of feed per animal per day in days 42-49 of age. Dressing out percentage was lower (-1.3% and -2.3% for R50 and R65, respectively) in restricted rabbits (P ≤ 0.001) but increased with age (P ≤ 0.001). Cooking loss significantly increased in restricted rabbits. A significant interaction between feeding regime and age was observed in the number of type αR muscle fibres, the highest number (P ≤ 0.05) was observed in the ADL rabbits (114.5) at 49 days, and the lowest was found in the R50 group at 70 days of age (25.0). Feed restriction increased the percentage of αW glycolytic fibres (P ≤ 0.01). A significant negative correlation was found between cooking loss and the cross sectional area of αW fibres (-0.486) and αR (-0.325). It could be concluded that one-week intensive feed restriction did not have a negative effect on meat tenderness and cooking loss, despite the fact that it affected muscle fibre type distribution.

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlcjs:v:61:y:2016:i:4:id:8846-cjas
    DOI: 10.17221/8846-CJAS
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    References listed on IDEAS

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    1. E. Tůmová & L. Zita & L. Štolc, 2006. "Carcass quality in restricted and ad libitum fed rabbits," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 51(5), pages 214-219.
    2. 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.

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