期刊
FISH & SHELLFISH IMMUNOLOGY
卷 122, 期 -, 页码 115-130出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fsi.2022.01.039
关键词
Polysaccharides; Aquaculture; Immunity; Disease resistance; Toxicity; Algae
Due to the high incidence of fish and shrimp diseases, the use of immunomodulators in aquaculture has become a pressing need. This literature review focuses on the application of fucoidan (FCD), a bioactive sulfated polysaccharide found in brown seaweeds, in aquaculture. Studies have shown that FCD has beneficial effects on the growth, intestinal health, antioxidant capacity, and immune responses of various finfish and shellfish species. It also shows potential in modulating toxicity signs and increasing the resistance of fish and shrimp against bacterial and viral infections.
Nowadays, the application of immunomodulators in aquaculture has become of an urgent need because of high incidence of fish and shrimp diseases. For a long time, researchers have paid great interest to find suitable, relatively economical, and environmentally safe immunostimulant products to be used either as feed or water additives to boost immunity and increase the resistance of fish and shrimp against the challenging pathogens. Probiotics, prebiotics, synbiotics, phytobiotics, herbal extracts, microalgae, macroalgae, and essential oils have been extensively evaluated. Brown seaweeds (Phaeophyceae) are a large group of multi-cellular macroalgae that are widely distributed in marine aquatic environments. They are abundant in several bioactive sulfated poly-saccharides known as fucoidan (FCD). Research studies demonstrated the beneficial functions of FCD in human medicine because of its immunomodulating, antioxidant, anti-allergic, antitumor, antiviral, anti-inflammatory, and hepatoprotective effects. In aquaculture, several researchers have tested the benefits and potential appli-cations of FCD in aquafeed. This literature review provides an updated information and key references of research studies that focused principally on using FCD in aquaculture. Its effects on growth, intestinal health, antioxidant capacity, and immune responses of several finfish and shellfish species will be discussed. This review paper will also highlight the potential efficacy and mechanisms of FCD in the modulation of toxicity signs and increasing the resistance of fish and shrimp against bacterial and viral infections. Hence, this contribution will be valuable to maintain aquaculture sustainability and to improve the health and welfare of farmed fish and shrimp.
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