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Efficacy of contrast levels of non-phytate phosphorus and Aspergillus niger phytase in hens fed wheat-maize-based diets

Author

Listed:
  • M. Englmaierová

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

  • G. Dlouhá

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

  • M. Marounek

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

  • M. Skřivan

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

Abstract

A 2 × 2 factorial design experiment examined the effect of dietary non-phytate phosphorus (NPP) (1.3 and 4.0 g/kg) and 3-phytase (F) (0 and 150 FTU/kg) on the performance indicators of hens, physical parameters of eggs, phosphorus (P) content of the eggshells, and the pH of the digestive tract of laying hens. Two hundred and forty hens (ISA Brown) were housed in enriched cages and fed a wheat-maize-based diet. A significant effect of both NPP and F was found for the yolk colour (P = 0.016) and shell thickness (P = 0.038). The F supplement or higher level of NPP alone and in combination increased the value of the yolk colour and shell thickness. The supplementation of the basal diet with F significantly increased the laying performance, especially with regard to the egg weight and feed conversion ratio. The higher dose of NPP had a negative effect on the egg production, feed intake, and feed conversion ratio. The lower level of NPP (1.3 g/kg) decreased the internal egg quality and shell quality, except for the shell strength. In contrast, the addition of 3-phytase to the diet increased the shell thickness and shell weight. The P content in the eggshells was not influenced by the dietary treatment. The higher level of NPP or F increased the pH in the gizzard to a value suitable for F activity. The hens fed a diet containing 1.3 g/kg NPP achieved a higher performance; moreover, the F supplement at 150 FTU/kg increased the external quality of the eggs.

Suggested Citation

  • M. Englmaierová & G. Dlouhá & M. Marounek & M. Skřivan, 2012. "Efficacy of contrast levels of non-phytate phosphorus and Aspergillus niger phytase in hens fed wheat-maize-based diets," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 57(11), pages 499-505.
  • Handle: RePEc:caa:jnlcjs:v:57:y:2012:i:11:id:6382-cjas
    DOI: 10.17221/6382-CJAS
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    References listed on IDEAS

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    1. S. Świątkiewicz & J. Koreleski & A. Arczewska, 2010. "Laying performance and eggshell quality in laying hens fed diets supplemented with prebiotics and organic acids," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(7), pages 294-306.
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    Cited by:

    1. M. Englmaierová & V. Skřivanová & M. Skřivan, 2014. "The effect of non-phytate phosphorus and phytase levels on performance, egg and tibia quality, and pH of the digestive tract in hens fed higher-calcium-content diet," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(3), pages 107-115.
    2. Anna Musilova & Martina Lichovnikova & Lucie Kupcikova & Vojtech Anderle, 2017. "Effect of suboptimal levels of non-phytate phosphorus and exogenous phytase on precaecal digestibility of phosphorus and calcium in laying hens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 62(11), pages 473-481.
    3. M. Skřivan & M. Englmaierová & M. Marounek & V. Skřivanová & T. Taubner & T. Vít, 2016. "Effect of dietary magnesium, calcium, phosphorus, and limestone grain size on productive performance and eggshell quality of hens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 61(10), pages 473-480.
    4. M. Englmaierová & M. Skřivan & E. Skřivanová & I. Bubancová & L. Čermák & J. Vlčková, 2015. "Effects of a low-phosphorus diet and exogenous phytase on performance, egg quality, and bacterial colonisation and digestibility of minerals in the digestive tract of laying hens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 60(12), pages 542-549.

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