Journal Title
Title of Journal: Int J Biometeorol
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Abbravation: International Journal of Biometeorology
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Publisher
Springer Berlin Heidelberg
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Authors: Mohsen Akbari Mehran Torki
Publish Date: 2013/10/06
Volume: 58, Issue: 6, Pages: 1383-1391
Abstract
A study was conducted using 240 female dayold broiler chicks to evaluate the effects of dietary chromium picolinate CrPic peppermint essential oil Pmint or their combination on growth performance and blood biochemical parameters of female broiler chicks raised under heat stress conditions HS 239 to 38 °C cycling Average daily gain ADG average daily feed intake ADFI and feed conversion ratio FCR were obtained from 1 to 42 days of age Furthermore at the end of the experiment day 42 birds were bled to determine some blood biochemical parameters and weighed for final body weight BW ADFI ADG and BW were not influenced significantly by dietary CrPic and Pmint P 005 A significant interaction between dietary CrPic and Pmint on FCR P = 0012 was detected FCR significantly decreased in chicks fed the diet including both CrPic and Pmint compared with the CrPic group Significant interaction between dietary Pmint and CrPic on serum concentrations of triglycerides glucose and albumin were observed P 005 but the other measured blood biochemical parameters were not statistically affected by dietary treatments P 005 The serum concentrations of glucose triglycerides were decreased P 005 in broilers fed the diet including both CrPic and Pmint Plasma chromium Cr content increased significantly P 005 in birds fed the CrPicincluded diet compared with the control group P 005 From the results of the present experiment it can be concluded that dietary supplementation with combined Pmint and CrPic could have beneficial effects on some blood biochemical parameters of female chicks reared under heat stress conditionsAll experimental protocols adhered to the guidelines of and were approved by the Animal Ethics Committee of Razi University Kermanshah Iran also were in accordance with the guidelines on animal welfare The permission letter issued by Animal Ethics Committee of Razi University is AD11 February 2012
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