Received: 28 March 2017
Accepted: 7 August 2018
First Online: 13 August 2018
Ethics approval and consent to participate
: The experiment was conducted in the Poultry Research Center of Shahrekord University, Shahrekord (2100 m above sea level), Iran. The study was carried out in accordance with the Guide for the Care and Use Committee of Shahrekord University. The authors acknowledge that they have considered 3Rs (ExternalRef removed) during the study design.
: The authors declare that they have no competing interests.
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