Effect of different levels addition of L-Carnitine to the diet on some productive characteristics of Japanese quail bird exposed to heat stress

.M.AL-Jashami, Saad; .R.AL-Khafaji, Fadhil; .M.B.Hamza, Rafid

	Effect of different levels addition of L-Carnitine to the diet on some productive characteristics of Japanese quail bird exposed to heat stress
Euphrates Journal of Agriculture Science
Article 1, Volume 7, Issue 4, 2015, Pages 85-95
Authors
Saad .M.AL-Jashami; Fadhil .R.AL-Khafaji; Rafid .M.B.Hamza
Abstract
This study was conducted at the Poultry farm / Department of Animal Resources , College of Agriculture / Al-Qasim Green University . The field work of this study was performed during the period from 17/10/2014 until 27/11/2014 . The project of this study was aimed to identify the role of utilization of Carnitine in reduction of heat stress on quail birds exposed to (28 - 36 - 28) C˚ periodic temperature . Three hundred of Japanese quail nestlings were used and educated in cages 1×1 m . The nestlings were randomly divided into 5 treatments and by 3 replicates per treatment and each treatment was included 20 nestlings , The Carnitine was used in concentrations (0 , 100 , 200 , 300 , 400) mg / kg feed for treatments (T1 , T2 , T3 , T4 , T5) respectively from age 8-42 days . The most important results of this study could be summarized by the following :Significant superiority (P<0.01) in the alive body weight during the sixth week together with the total weight gained for the weeks (2-6) for the carnitine treated birds compared with T1 control treatment birds , T5 treatment gave the best results . Significant superiority (P<0.01) for T5 treatment birds on the other treatments in the total average consumption of feed for the weeks (2-6) .Significant improvement (P<0.01) for carnitine treatment birds compared with T1 control treatment birds in the total food conversion efficiency for the weeks (2-6) and there were no mortality during the experiment .

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