Korean J Vet Res > Volume 56(4); 2016 > Article
Korean Journal of Veterinary Research 2016;56(4):255-260.
DOI: https://doi.org/10.14405/kjvr.2016.56.4.255    Published online February 27, 2017.
Application of Ecklonia cava Kjellman by-product as a feed additive: enhancing weight gain, immunity and protection from Salmonella infection in chickens
Soyeon Park1, Chung Yoh Kim1, Bokyoung Park1, Kiju Kim1, Keuntae Park2, Jong Kwon Han2, Tae-Wook Hahn1
1Department of Veterinary Medicine & Institute of Veterinary Science, Kangwon National University
2Milae Resources ML Co. Ltd.
양계 사료첨가제로서 감태 추출 부산물로 인한 체중증가 및 방어효능 평가
박소연1, 김정요1, 박보경1, 김기주1, 박근태2, 한종권2, 한태욱1
1강원대학교 수의과대학 및 동물의학종합연구소
2(주)미래자원 ML
Abstract
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 SG-free 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 $interferon-{gamma}$ 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.
Key Words: Ecklonia cava Kjellman, Salmonella Gallinarum, food additives
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