Blar i forfatter "Olsen, Rolf-Erik"
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Effects of nuclease-treated fermentation product of Lactobacillus rhamnosus GCC-3 on growth, hepatic health and gut microbiota of zebrafish (Danio rerio) fed a high-fat diet
Xie, Mingxu; Li, Ming; Hao, Qiang; Olsen, Rolf-Erik; Ringø, Einar; Yang, Yalin; Zhang, Zhen; Ran, Chao; Zhou, Zhigang (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-03-12)Probiotics are reported to improve the nutrition, immunity, and health of fish. Nuclease can hydrolyze nucleic acids of probiotics to produce nucleotides. The present study investigated the effect of stabilized fermentation product of nuclease-treated <i>Lactobacillus rhamnosus</i> GCC-3 (GCC-3 NT) on growth, non-specific immunity, liver health, and gut microbiota of zebrafish (<i>Danio rerio</i>). ... -
Marine-derived products as functional feed additives in aquaculture: A review
Van Doan, Hien; Prakash, Parvathy; Hoseinifar, Seyed Hossein; Ringø, Einar; El-Haroun, Ehab; Faggio, Caterina; Olsen, Rolf-Erik; Tran, Hung Quang; Stejskal, Vlastimil; Abdel-Latif, Hany M.R.; Dawood, Mahmoud A.O. (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-27)The aquaculture industry is expanding to meet the daily requirements of humanity from high-quality seafood. In this regard, intensive aquaculture systems are suggested, resulting in high production but being challenged with immunosuppression and disease invaders. Antibiotics were used for a long time to protect and treat aquatic animals; however, continuous use led to severe food safety issues, ... -
The use of light, restrictive feeding, fibrous feed and stocking density and the consequences for animal welfare for poultry species kept in Norway - Scientific Opinion of the Panel on Animal Health and Welfare of the Norwegian Scientific Committee for Food and Environment
Bøe, Knut Egil; Grahek-Ogden, Danica; Hoel, Kristian; Gjøen, Tor; Godfroid, Jacques Xavier Leon; Janczak, Andrew Michael; Madslien, Knut; Olsen, Rolf-Erik; Rimstad, Espen; Øverli, Øyvind; Agdestein, Angelika (Research report; Forskningsrapport, 2022-06-15)