Volume 9, Issue 3 (fall 2005)                   2005, 9(3): 185-195 | Back to browse issues page

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A. A. Gheisari, O. Saraeian, M. Toghiani. Response of Male Broiler Breeder Chicks to Diets Containing Different Levels of Energy, Protein and Sulfur Amino Acids . Journal of Crop Production and Processing 2005; 9 (3) :185-195
URL: http://jcpp.iut.ac.ir/article-1-374-en.html
Abstract:   (11965 Views)
This study was conducted to evaluate the effects of different levels of energy and protein on the performance of male broiler breeder chicks. Three hundred and sixty day-old Arian male broiler breeder chicks were used in a 2×3 factorial experiment with two levels of metabolizable energy (3050 and 3200 Kcal/Kg) and three levels of protein and sulfur amino acids (110% NRC, NRC and 90% NRC) in a completely randomized design with four replicates per treatment. Results obtained from the whole of the experiment’s period (0-49 days of age) indicated that level of dietary energy had a significant effect on body weight and daily gain (P<0.05). Increasing of the energy levels from 3050 to 3200 kcal/kg increased body weight (2216g vs 2314g) and daily gain (45.2 vs. 47.2 g per day). Dietary energy level had no effect on feed intake, feed conversion and carcass components. Increasing of dietary protein significantly increased body weight and daily gain and decreased feed conversion and percentage of abdominal fat pad (P<0.05). The results of this study indicated that we can fed Arian male broiler breeder chicks by using diets containing 3200 Kcal ME/kg and protein and sulfur amino acid levels according to NRC recommendation or 10% higher during 0-21, 21-42 and 42-49 days of age and achieve suitable growth rate and body weight.
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Type of Study: Research | Subject: General

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