Aquaculture Research Priorities for the Next Decade: A Global Perspective

Slater, Matthew James; D'Abramo, Lou; Engle, Carole R.

doi:10.1111/jwas.12503

Cited by 16 publications

(10 citation statements)

References 11 publications

(11 reference statements)

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“…However, the increasing demand for FM and fish oil (FO) by the aquaculture industry, has led to a notable price increase of these two commodities [1]. Thus, great efforts are currently being made by the aquafeed industry to find more profitable and sustainable protein-rich ingredients [2,3]. For instance, plant-based products made of soy, corn, wheat, have been suggested as possible alternative ingredients with high protein content [4,5].…”

Section: Introductionmentioning

confidence: 99%

Graded Incorporation of Defatted Yellow Mealworm (Tenebrio molitor) in Rainbow Trout (Oncorhynchus mykiss) Diet Improves Growth Performance and Nutrient Retention

Rema

Saravanan

Armenjon

et al. 2019

Animals

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Insects are emerging as a sustainable alternative to fishmeal and fish oil in aquafeeds. This study assessed the effect of graded incorporation levels of defatted yellow mealworm (Tenebrio molitor) protein meal on juvenile rainbow trout (Oncorhynchus mykiss) growth performance, body composition, and apparent nutrient digestibility. The trial comprised five dietary treatments: control diet with 25% fishmeal, and four experimental diets with yellow mealworm protein meal at 5%, 7.5%, 15%, or 25%, which corresponded to a fishmeal replacement of 20%, 30%, 60%, or 100%, respectively. After 90 days, the graded incorporation of insect protein meal led to a significant stepwise increase in final body weight, and a significant improvement of specific growth rate, feed conversion ratio, and protein efficiency ratio compared to the control treatment. Regardless of the incorporation level, the insect protein meal had no effects on fish whole-body composition and apparent digestibility coefficients of dry matter, protein, fat, phosphorus, and energy. Protein, phosphorus, and energy retention significantly increased in fish fed the diets with an insect protein meal. In conclusion, the yellow mealworm protein meal could effectively replace 100% of fishmeal in the diet of juvenile rainbow trout with positive effects on its overall zootechnical performance.

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Section: Introductionmentioning

confidence: 99%

Graded Incorporation of Defatted Yellow Mealworm (Tenebrio molitor) in Rainbow Trout (Oncorhynchus mykiss) Diet Improves Growth Performance and Nutrient Retention

Rema

Saravanan

Armenjon

et al. 2019

Animals

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“…Key issues that will drive change over the coming decades were reviewed by Slater et al (43), who identified the key research topics for aquaculture in the short to medium term as:…”

Section: Drivers Of Change In Aquaculturementioning

confidence: 99%

The changing nature of aquatic animal production

Brummet¹,

Hargreaves²

2019

Rev. Sci. Tech. OIE

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Aquaculture will continue to grow, but environmental constraints will interact with changing consumer profiles and regulatory frameworks such that future growth will look somewhat different from the trajectories of the past 30 years. Availability and price of land, fresh water, feeds and energy, and concerns about pollution and the introduction of non-native species will be major constraints to expansion. New technology will evolve in response to these concerns. This new technology will be based on the principle of sustainable intensification so as to reduce the environmental footprint per unit of production and limit volatility in markets precipitated by disease and other production system problems. Markets and consumer demand will be reflected in the economics of the industry under more sophisticated regulatory regimes. More sustainable sources of the proteins and oils in fish diets, improved genetic management, and better health and production systems will continue to underpin the expansion of aquaculture into the 21st century and beyond.

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“…GHG emissions by aquaculture are estimated as 0.49% of global emissions (Boyd & McNevin, 2015;MacLeod et al, 2020). Nevertheless, high trophic level aquaculture species still rely on fishmeal and fish oil derived from wild capture fisheries (Naylor et al, 2009;Slater et al, 2018;Tacon et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Microbial community-based bacterial protein from soybean-processing wastewater as a value-added alternative fish feed ingredient for Asian sea bass (Lates calcarifer)

Santillan

Yasumaru

Vethathirri

et al. 2023

Preprint

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As the global demand for food increases, aquaculture plays a key role as the fastest growing animal protein sector. However, existing aquafeeds contain protein ingredients that are not sustainable under current production systems. We evaluated the use of microbial community-based single cell protein (SCP), produced from soybean processing wastewater, as a partial fishmeal protein substitute in juvenile Asian seabass (Lates calcarifer). A 24-day feeding trial was conducted with a control fishmeal diet and a 50% fishmeal replacement with microbial community-based SCP as an experimental group, in triplicate tanks containing 20 fish each. Both diets met the protein, essential amino acids (except for lysine), and fat requirements for juvenile Asian sea bass. The microbial composition of the SCP was dominated by the generaAcidipropionibacteriumandPropioniciclava, which have potential as probiotics and producers of valuable metabolites. The growth performance in terms of percent weight gain, feed conversion ratio (FCR), specific growth rate (SGR), and survival were not significantly different between groups after 24 days. The experimental group had less variability in terms of weight gain and FCR than the control group. Overall, microbial community-based protein produced from soybean processing wastewater has potential as a value-added feed ingredient for sustainable aquaculture feeds.

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Aquaculture Research Priorities for the Next Decade: A Global Perspective

Cited by 16 publications

References 11 publications

Graded Incorporation of Defatted Yellow Mealworm (Tenebrio molitor) in Rainbow Trout (Oncorhynchus mykiss) Diet Improves Growth Performance and Nutrient Retention

Graded Incorporation of Defatted Yellow Mealworm (Tenebrio molitor) in Rainbow Trout (Oncorhynchus mykiss) Diet Improves Growth Performance and Nutrient Retention

The changing nature of aquatic animal production

Microbial community-based bacterial protein from soybean-processing wastewater as a value-added alternative fish feed ingredient for Asian sea bass (Lates calcarifer)

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