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Volume 56, issue 1
Arch. Anim. Breed., 56, 11–17, 2013
https://doi.org/10.7482/0003-9438-56-002
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 56, 11–17, 2013
https://doi.org/10.7482/0003-9438-56-002
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

  10 Oct 2013

10 Oct 2013

Effect of different levels of dried sweet orange (Citrus sinensis) peel on broiler chickens growth performance Abbas

A. Ebrahimi1, A. A. A. Qotbi2, A. Seidavi2, V. Laudadio3, and V. Tufarelli3 A. Ebrahimi et al.
  • 1Young Researchers Club, Rasht Branch, Islamic Azad University, Rasht, Iran
  • 2Department of Animal Science, Rasht Branch, Islamic Azad University, Rasht, Iran,
  • 3Department of DETO – Section of Veterinary Science and Animal Production, University of Bari »Aldo Moro«, Valenzano 70010, Bari, Italy

Abstract. The trial was conducted to evaluate the effect of different levels of dried sweet orange (Citrus sinensis) peel on growth performance in broilers. A total of 400 male broiler chicks (Ross-308) were randomly allocated to treatments varying in supplemental DSOP. The dietary groups consisted of five diets fed for 42 days: control diet without feed additive, diet containing 1.5 % feed additive only in starter phase, diet containing 1.5 % feed additive during whole period (starter + grower), diet containing 3 % feed additive only in starter phase, diet containing 3 % feed additive during whole period. The growth responses achieved by broilers from all groups complied with the standards. However, adding up to 3 % DSOP in diet seems to depress feed intake, body weight gain increasing feed conversion ratio of both starter and growing broilers. Conversely, DSOP in the proportion of 1.5 % of feed seems to promote feed intake and weight gain in the period between the 1–21 days of age, indicating that DSOP can constitute a useful additive in the feeding of broilers. Further research is needed to assess the effects of DSOP to improve its suitability as a feed resource for poultry production.

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