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      The Dietary Effects of Fermented Chlorella vulgaris (CBT ®) on Production Performance, Liver Lipids and Intestinal Microflora in Laying Hens

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          Abstract

          Fermented Chlorella vulgaris CBT ® was evaluated for its effects on egg production, egg quality, liver lipids and intestinal microflora in laying hens. One hundred and eight Hy-line Brown layers (n = 108), 80 wk of age, were fed a basal diet supplemented with CBT ® at the level of 0, 1,000 or 2,000 mg/kg, respectively for 42 d. Egg production was measured daily and egg quality was measured every two weeks. Five eggs from each replicate were collected randomly to determine egg quality. Egg production increased linearly with increasing levels of CBT ® supplementation (p<0.05), although there was no significant effect of treatment on feed intake. Egg yolk color (p<0.001) and Haugh unit (p<0.01) improved linearly with increasing dietary CBT ®. Hepatic triacylglycerol level was linearly decreased with increasing dietary CBT ® (p<0.05). The supplemental CBT ® resulted in linear (p<0.001) and quadratic (p<0.01) response in population of cecal lactic acid bacteria. In conclusion, fermented Chlorella vulgaris supplemented to laying hen diets improved egg production, egg yolk color, Haugh unit and positively affected the contents of hepatic triacylglycerol and the profiles of cecal microflora.

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          Most cited references47

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          Nutrient Requirements of Poultry

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            Microalgae as food and supplement.

            R Kay (1991)
            The microalgae Chlorella spp., Dunaliella spp., and Scenedesmus spp., and the cyanobacteria Spirulina spp., and Aphanizomenon flos-aquae, are being used as nutrient-dense foods and sources of fine chemicals. They have significant amounts of lipid, protein, chlorophyll, carotenoids, vitamins, minerals, and unique pigments. They may also have potent probiotic compounds that enhance health. Their historical and current use are reviewed in this article.
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              The Haugh unit for measuring egg quality

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                Author and article information

                Journal
                Asian-Australas J Anim Sci
                Asian-australas. J. Anim. Sci
                Asian-Australasian Journal of Animal Sciences
                Asian-Australasian Association of Animal Production Societies (AAAP) and Korean Society of Animal Science and Technology (KSAST)
                1011-2367
                1976-5517
                February 2012
                01 February 2012
                : 25
                : 2
                : 261-266
                Affiliations
                [1 ]Daesang Corp., Ichon-city, Kyoungki-do, 467-813, Korea.
                [2 ]Celltech, Co., Ltd, Eumseong-gun, Chung buk, 369-841, Korea.
                [3 ]Ace M&F, Co., Ltd, Songpa-gu, Seoul, 138-805, Korea.
                Author notes
                [* ]Corresponding Author : C. W. Kang. Tel: +82-2-450-3669, Fax: +82-2-452-9946, E-mail: kkucwkang@ 123456empal.com

                College of Animal Bioscience and Technology, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Korea

                Article
                ajas-25-2-261-16
                10.5713/ajas.2011.11273
                4093139
                25049560
                9f3b62f3-055b-4ae5-8d3e-05ae8bc9639f
                Copyright © 2012 by Asian-Australasian Journal of Animal Sciences

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License http://creativecommons.org/licenses/by-nc/3.0/ which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 05 August 2011
                : 28 October 2011
                Categories
                Article

                fermented chlorella vulgaris,laying hen,liver lipid,intestinal microflora,egg quality

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