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Pakistan Journal of Nutrition
Year: 2017  |  Volume: 16  |  Issue: 9  |  Page No.: 719 - 730

Growth Performance, Carcass Characteristics and Fatty Acids Profile of Broilers Supplemented with Lauric Acid and Natural Antioxidant from Areca vestiaria Giseke

Jola J.M.R. Londok, Wasmen Manalu, Komang G. Wiryawan and Sumiati    

Abstract: Background: Besides as an energy source, coconut oil with its lauric acid content can improve the growth performance, carcass characteristics and fatty acids profile of broiler chickens. Conventional processing of coconut oil is susceptible to hydrolytic oxidation that reduces its antioxidant content. Areca vestiaria Giseke (AV) with its phenol content acts as a natural antioxidant in the diet. Materials and Methods: Two hundred and forty day-old unsexed Lohmann broiler chicks (MB-202 P) were divided into 24 experimental units (ten chicks/unit) and arranged in a completely randomized design with a 2×4 factorial arrangement. Each experimental unit was repeated 3 times each with ten chicks. The first factor was the source of lauric acid in the ration consisted of 2 levels i.e., coconut oil and pure lauric acid. The second factor was dose of antioxidant consisted of 4 levels i.e., 0 [without antioxidant (AV and lauric acid) supplementation], AV at a dose of 625 mg kg–1 ration, AV at a dose of 1250 mg kg–1 ration and tocopherol at a dose of 200 ppm). Parameters measured were growth performance, carcass characteristics and fatty acid profiles of broiler breast meat. Results: On the first stage trial, AV can be used as a source of natural antioxidant in the diet of broiler. The feeding trial showed that the treatments highly significantly affected (p<0.01) weight gain, feed consumption, feed conversion ratio, breast weight/eviscerated weight percentage, abdominal fat weight/eviscerated weight percentage and significantly affected (p<0.05) dressing percentage. Low growth performance and carcass characteristics in broiler chickens supplemented with vitamin E were assumed to be caused by the inhibition of absorption. Fatty acids in feed after consumption will be relatively unchanged in body tissue. Lauric acid can be deposited in breast meat. Conclusion: AV as a source of natural antioxidant can be used as a supplement in broiler ration containing coconut oil as a source of lauric acid.

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