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Effect of housing system on the calcium requirement of laying hens and on eggshell quality

Author

Listed:
  • M. Lichovníková

    (Faculty of Agronomy, Mendel University of Agriculture and Forestry, Brno, Czech Republic)

  • L. Zeman

    (Faculty of Agronomy, Mendel University of Agriculture and Forestry, Brno, Czech Republic)

Abstract

The effects of housing systems on the calcium requirement for eggshell production, eggshell quality and on the breaking strength of the hen's tibia were evaluated. Unenriched cages (UN) (24 laying hens), enriched cages (EN) (16 laying hens) and floor system (FS) (24 laying hens) were used in this experiment. The eggshell production of laying hens from 19 to 66 weeks of age was higher (P < 0.01) in the cage systems (UN 39.6 g/hen/week and EN 39.2 g/hen/week) than it was in FS (35.0 g/hen/week). Consequently, the amount of calcium deposited in the eggshells (g/hen/week) was higher (P < 0.01) in the cage systems (14.2 and 14.0 g/hen/week) than in FS (12.6 g/hen/week). Despite of the same calcium intake of the hens housed in EN and FS the eggshell thickness (0.39 and 0.38 mm, respectively) and eggshell strength (38.04 and 36.43 N respect.) were higher (P < 0.01 and P < 0.001 respectively) in EN. The tibia breaking strength was higher (P < 0.05) in FS (156.6 N) in comparison with UN (92.7 N). The rate of calcium intake deposited in the eggshells was higher in the cage systems than in FS, namely by 1.7 to 8.9% depending on the age of laying hens. When determining the correct calcium requirements in the diets of laying hens, the housing system should be taken into account.

Suggested Citation

  • M. Lichovníková & L. Zeman, 2008. "Effect of housing system on the calcium requirement of laying hens and on eggshell quality," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 53(4), pages 162-168.
    • Handle: RePEc:caa:jnlcjs:v:53:y:2008:i:4:id:375-cjas
    DOI: 10.17221/375-CJAS
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    Citations

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    Cited by:

    1. H. Arpášová & M. Halaj & P. Halaj, 2010. "Eggshell quality and calcium utilization in feed of hens in repeated laying cycles," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(2), pages 66-74.
    2. R. Gálik & Z. Poláková & Š. Boďo & M. Denker, 2011. "Analysis of the relations between some physicalindicators of market eggs," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 57(SpecialIs), pages 1-6.
    3. M. Englmaierová & E. Tůmová & V. Charvátová & M. Skřivan, 2014. "Effects of laying hens housing system on laying performance, egg quality characteristics, and egg microbial contamination," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(8), pages 345-352.
    4. M. Skřivan & M. Englmaierová & V. Skřivanová, 2010. "Effect of different phosphorus levels on the performance and egg quality of laying hens fed wheat- and maize-based diets," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(10), pages 420-427.
    5. E. Tůmová & M. Skřivan & M. Englmaierová & L. Zita, 2009. "The effect of genotype, housing system and egg collection time on egg quality in egg type hens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 54(1), pages 17-23.

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