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Tropical Animal Health and Production

, Volume 42, Issue 4, pp 737–742 | Cite as

Effect of different levels of dried citrus pulp on performance, egg quality, and blood parameters of laying hens in early phase of production

  • Ahmad Nazok
  • Mansour RezaeiEmail author
  • Hadi Sayyahzadeh
Article

Abstract

Utilization of agricultural wastes in animal nutrition is a matter of great concern. Dried citrus pulp (DCP) is a potential source of some valuable nutrients for animal and poultry. In an experiment with completely randomized design, the effect of different levels (0%, 4%, 8%, 12%, and 16%) of DCP was evaluated on performance, egg quality, and blood parameters of laying hens from 25 to 37 weeks of age. The birds were randomly allocated to five groups with six replicates and three birds in each replicate. The results showed that with increasing the level of DCP up to 12%, there were no significant differences among treatments for feed intake, egg production, egg mass, feed conversion ratio, final body weight, yolk index, and yolk color. There were no significant differences between treatments in shell thickness, eggshell index, egg score, and Haugh unit. Utilization of DCP up to 16% significantly increased serum glucose and high-density lipoprotein and reduced cholesterol, low-density lipoprotein, and triglycerides (P < 0.05). Results of the present study indicated that use of 12% DCP in laying hen diets had no adverse effect on performance and egg quality of laying hens in early phase of production.

Keywords

Dried citrus pulp Performance Egg quality Laying hen 

Notes

Acknowledgment

The authors would like to acknowledge the Sari Agricultural Sciences and Natural Resources University for the funding support for this project, and the staffs at the Department of Animal Science for their assistance.

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Department of Animal Science, College of Animal Science and FisheriesSari Agricultural Sciences and Natural Resources UniversitySariIran

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