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Topal E.,Turkish Ministry of Agriculture and Rural Affairs | Ozdogan M.,Adnan Menderes University
Journal of Applied Poultry Research | Year: 2013

In this study, we evaluated the effect of various amounts of crude glycerol on the growth performance, internal organ weights, and chemical composition of drumstick muscles of broiler chickens. A total of 360 Ross 308 broiler chicks (1 d old) received diets with 0, 40, or 80 g of glycerol/kg of diet for 42 d. Body weight gain was improved (P < 0.01) with the inclusion of 40 or 80 g of glycerol/kg of diet at 21 d, whereas broilers fed the diet with 80 g of glycerol/kg had the highest (P < 0.05) BW gains at 42 d. These levels of crude glycerol did not statistically affect feed consumption, but the inclusion of glycerol improved the FCR at 0 to 21 d of age and 0 to 42 d of age (P < 0.05). No negative effect of glycerol inclusion was observed on the carcass yield or the internal organ weights of broilers except for the heart weight of males. Glycerol inclusion at 40 or 80 g/kg of diet can be used as an effective source of energy in broilers, es-pecially from 0 to 21 d of age. In addition, inclusion of glycerol significantly decreased ether extract in the drumstick muscles of both males (P < 0.05) and females (P < 0.01). © 2013 Poultry Science Association, Inc.

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