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The effects of humic acid on egg production and egg traits of laying hen

Author

Listed:
  • S. Kucukersan

    (Ankara University, Faculty of Veterinary Medicine, Ankara, Turkey)

  • K. Kucukersan

    (Ankara University, Faculty of Veterinary Medicine, Ankara, Turkey)

  • I. Colpan

    (Ankara University, Faculty of Veterinary Medicine, Ankara, Turkey)

  • E. Goncuoglu

    (Akdeniz University, Faculty of Veterinary Medicine, Burdur, Turkey)

  • Z. Reisli

    (Ankara University, Faculty of Veterinary Medicine, Ankara, Turkey)

  • D. Yesilbag

    (Ankara University, Faculty of Veterinary Medicine, Ankara, Turkey)

Abstract

The effects of humic acid on feed consumption, egg production, feed efficiency, egg weight and external and internal egg quality of laying hens were studied during feeding periods. A total of 180 (Hysex Brown) layers (36 weeks of age) were used in this experiment. There was one control and two experimental groups, each containing 60 hens and 4 subgroups. The experimental period lasted 16 weeks. At the end of the experiment, the supplementation of humic acid had a significant effect on feed consumption and feed efficiency. An increase in egg production was determined when humic acid was added to the diets at 30 g/t of feeds (91.70%) and 60 g/t of feeds (91.32%). There were no significant differences between the groups in egg shell thickness, egg shell breaking strength, yolk index, albumen index and Haugh unit. It can be therefore concluded that the dietary supplementation of humic acid at doses of 30 and 60 g/t feed can be used to improve egg production, egg weight and feed efficiency.

Suggested Citation

  • S. Kucukersan & K. Kucukersan & I. Colpan & E. Goncuoglu & Z. Reisli & D. Yesilbag, 2005. "The effects of humic acid on egg production and egg traits of laying hen," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 50(9), pages 406-410.
    • Handle: RePEc:caa:jnlvet:v:50:y:2005:i:9:id:5640-vetmed
    DOI: 10.17221/5640-VETMED
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    Cited by:

    1. Svetlana Malyugina & Pavel Horky, 2024. "The Effect of Humic Acid Supplementation on Selected Ruminal Fermentation Parameters and Protozoal Generic Distribution in Cows," Agriculture, MDPI, vol. 14(10), pages 1-16, September.

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