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KMID : 0359320160560040255
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Korean Journal of Veterinary Research
2016 Volume.56 No. 4 p.255 ~ p.260
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Application of Ecklonia cava Kjellman by-product as a feed additive: enhancing weight gain, immunity and protection from Salmonella infection in chickens
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Park So-Yeon
Kim Chung-Yoh
Park Bo-Kyoung
Kim Ki-Ju
Park Keun-Tae
Han Jong-Kwon
Hahn Tae-Wook
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Abstract
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The Ecklonia cava Kjellman by-product (ECBP) as a feed additive was evaluated in improvement of productivity and immune enhancement against Salmonella Gallinarum (SG). Lohmann Brown chickens proved SGfree were randomly divided into 3 groups of 8 chickens each. Chickens were fed with the experimental diet treatment: T0, Non treatment-commercial feed; T1, commercial feed with 0.5% ECBP; T2, commercial feed with 0.1% Lactobacillus plantarum. In this study, we evaluated the effect of T1 and T2 groups on the body weight and protective efficacy against SG in chickens. The results demonstrated that treatment of T1 group as a feed additive affected significantly body weight gaining in chickens. In addition, T1 group showed a significant different colonization of SG when compared to T2 and T0 groups. We also studied that serum IgG and interferon-γ levels were significantly different compared with other treatment groups. Therefore, we suggest that ECBP can be used as a good candidate of feed additives in chicken industry.
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KEYWORD
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Ecklonia cava Kjellman, Salmonella Gallinarum, food additives
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