Thought of Alternate Aquafeed: Conundrum in Aquaculture Sustainability?

Mitra, Anisa

doi:10.1007/s12595-020-00352-4

Cited by 14 publications

(6 citation statements)

References 145 publications

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“…For instance, 70% of the fish feed components have been replaced by plant‐derived ingredients (Ytrestoyl et al., 2015). However, climate change has reduced agricultural production of plant‐based ingredients like maize and other ingredients on which the aquaculture feed industry currently relies, and therefore, the sector will require to seek alternative resources in the near future to promote sustainable aquaculture growth (Khatri‐Chhetri et al., 2019; Mitra, 2021). This demands the development of novel solutions to the pressing issue of climate change.…”

Section: Resultsmentioning

confidence: 99%

Socio‐economic impacts of climate change and adaptation actions among smallholder fish farmers in Sub‐Saharan Africa

Muthoka,

Ouko,

Mboya

et al. 2024

Aquaculture Fish & Fisheries

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Aquaculture is the world's fastest‐growing food‐producing sector, making it a significant contributor to food and nutrition security for the globally growing human population. Nevertheless, its long‐term growth is limited by the effects of climate change. Aquaculture in Sub‐Saharan Africa (SSA), which is dominated by small‐scale fish farming, is increasingly threatened by climate change, which has a substantial influence on its productivity and scalability. In this context, the present research looks at the socio‐economic consequences of climate change on small‐scale fish producers in SSA, as well as potential adaptation techniques to the effects of climate change. A clear understanding of these socio‐economic repercussions of climate change is critical for developing effective strategies to reduce future impacts and safeguard aquaculture‐based livelihoods. Furthermore, understanding the socio‐economic consequences of climate change on communities dependent on aquaculture is important for advising policymakers and decision‐makers on formulating and implementing policies that sustain aquaculture production amidst the climate change crisis. This article suggests various adaptation strategies to increase resilience to climate change, including diversification of livelihoods and species, use and incorporation of local and indigenous knowledge, shifting to aquaculture species less vulnerable to changing climatic conditions, capacity building through aquaculture insurance schemes, continued fish supply from capture fisheries, and consolidation of equity and human rights concerns. These adaptive methods, when combined, have the potential to enhance outcomes for populations who are more susceptible owing to their unstable socio‐economic conditions.

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Section: Resultsmentioning

confidence: 99%

Socio‐economic impacts of climate change and adaptation actions among smallholder fish farmers in Sub‐Saharan Africa

Muthoka,

Ouko,

Mboya

et al. 2024

Aquaculture Fish & Fisheries

View full text Add to dashboard Cite

show abstract

“…Therefore, ingredient composition of aquafeeds will correspondingly have to evolve as part of a dynamic process to ensure sustainability. A comprehensive review of characteristics of alternative aquafeed, policy directions, and tradeoffs in meeting sustainability goals is provided by Mitra (2021).…”

Section: Sustainable Aquaculture and Aquafeedsmentioning

confidence: 99%

Sustainable aquafeed and aquaculture production systems as impacted by challenges of global food security and climate change

D’Abramo

2021

J World Aquaculture Soc

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“…As global demand for aquacultured fish increases, the need for sustainable feed alternatives becomes critical [1,2]. With the continuous advancement of aquaculture technologies and economic benefits, the demand for fish meal, a high-quality protein source, has increasingly surged.…”

Section: Introductionmentioning

confidence: 99%

Enhancing Growth and Intestinal Health in Triploid Rainbow Trout Fed a Low-Fish-Meal Diet through Supplementation with Clostridium butyricum

Wang,

Li,

Wang

et al. 2024

Fishes

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This study evaluates the effects of dietary Clostridium butyricum on growth performance and intestinal health in triploid rainbow trout (Oncorhynchus mykiss). Administered in a 12-week trial, five isonitrogenous and isolipidic feeds contained different C. butyricum levels [G1 (0), G2 (1.6 × 106 CFU/g), G3 (1.2 × 107 CFU/g), G4 (1.1 × 108 CFU/g), and G5 (1.3 × 109 CFU/g)]. Significant enhancements in growth performance, including improved feed conversion ratios and specific growth rates in the G4 group, were indicative of enhanced nutrient utilization, corroborated by optimal digestive enzyme activity levels. Antioxidant capabilities were also enhanced in the G4 group, indicated by increased serum superoxide dismutase and catalase activities, along with a significant decrease in malondialdehyde levels. Gut microbiota analysis indicated a probiotic concentration-dependent modulation of microbial communities, with a marked enrichment in beneficial bacterial phyla like Firmicutes in the G4 group. This microbial shift correlated with significant downregulations in immune-related gene expressions, including interleukins (IL-1β, IL-8), NF-κB, MyD88, and TNF-α, highlighting an activated immune response. Correspondingly, serum lysozyme and immunoglobulin M contents were significantly elevated in the G4 group. Challenge tests with Aeromonas salmonicida exhibited the higher disease resistance of fish fed the G4 diet. In conclusion, the study shows the potential of dietary C. butyricum, especially at 1.1 × 108 CFU/g, in enhancing the growth, health, and disease resistance of triploid rainbow trout through modulating gut microflora and stimulating immune responses.

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Thought of Alternate Aquafeed: Conundrum in Aquaculture Sustainability?

Cited by 14 publications

References 145 publications

Socio‐economic impacts of climate change and adaptation actions among smallholder fish farmers in Sub‐Saharan Africa

Socio‐economic impacts of climate change and adaptation actions among smallholder fish farmers in Sub‐Saharan Africa

Sustainable aquafeed and aquaculture production systems as impacted by challenges of global food security and climate change

Enhancing Growth and Intestinal Health in Triploid Rainbow Trout Fed a Low-Fish-Meal Diet through Supplementation with Clostridium butyricum

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