期刊
REVIEWS IN AQUACULTURE
卷 13, 期 2, 页码 907-933出版社
WILEY
DOI: 10.1111/raq.12504
关键词
antibiotics; aquaculture; functional feed; health; immune; macroalgae
类别
资金
- University of the Sunshine Coast (USC)
- Australian Centre for International Agricultural Research (ACIAR) [FIS/2016/130]
Seaweeds are a potential source of unique immunostimulants for enhancing the health and growth of farmed fish, with significant positive impacts on fish immunity, stress resistance, and growth demonstrated in the study. However, considerable variations among studies and between fish and seaweed species make it challenging to extrapolate the results beyond individual experiments.
Disease is an enduring threat to aquaculture, with direct costs from outbreaks of more than US$6 billion a year. Efforts to reduce antibiotic use in aquaculture have resulted in a recent shift towards the use of immunostimulants that boost fish immune systems. Seaweeds are a potential source of unique immunostimulants because of their diverse taxonomy (11,353 species) and diverse bioactives, but there has been no synthesis of their effects on fish. A systematic review and meta-analysis of 142 peer-reviewed studies was conducted to evaluate the effects of seaweed on the innate immunity, resistance (to stress and pathogens) and growth of farmed fish. Overall, our review indicated that dietary supplementation with seaweeds or their extracts had substantial positive impacts on the health and growth of fish compared with control groups and were comparable to currently utilised immunostimulants. Dramatic effects on survival of fish during challenge experiments were detected, with an average of 33% higher survival of fish fed diets that included seaweeds or their extracts. This study provides broad evidence for the benefits of supplementing fish feed with the reviewed seaweeds or their bioactive extracts, including potential synergistic effects of supplements. However, the meta-analysis also highlighted considerable variation among studies, and between fish and seaweed species, making it difficult to extrapolate results beyond individual experiments. Future studies should focus on developing synergistic combinations of ingredients and elucidating the mode of action through isolation of seaweed bioactives, together with standardisation of experimental conditions, to fast-track the benefits of seaweed supplements for aquaculture.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据