Flesh quality of Atlantic salmon smolts reared at different temperatures and photoperiods

Imsland, Albert K.; Roth, Bjørn; Døskeland, Inge; Fjelldal, Per Gunnar; Stefansson, Sigurd O.; Handeland, Sigurd O.; Mikalsen, Bjørn

doi:10.1111/are.14058

Cited by 9 publications

(5 citation statements)

References 38 publications

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“…This observation supports the findings of Imsland et al 257 showing that the shear force of Arctic charr flesh increased with increasing rearing temperatures (9–15°C). However, the same authors have reported contrary results on Atlantic salmon, where flesh hardness decreased with increasing water temperature and fish size 258 . The regression analysis revealed a significant negative association between flesh hardness and fish growth.…”

Section: Strategies To Regulate Texture Characteristics In Aquaculturementioning

confidence: 82%

“…However, the same authors have reported contrary results on Atlantic salmon, where flesh hardness decreased with increasing water temperature and fish size. 258 The regression analysis revealed a significant negative association between flesh hardness and fish growth. Fast growth has been implicated in the soft texture of fish species.…”

Section: Exercise Trainingmentioning

confidence: 93%

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The flesh texture of teleost fish: Characteristics and interventional strategies

Wang,

Qiao,

Zhang

et al. 2023

Reviews in Aquaculture

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With the growing demand of consumers for high‐quality aquatic products, controlling the harvest quality of farmed fish is becoming increasingly important in aquaculture industry. The texture is a sensory property that covers a group of attributes, such as firmness, tenderness, chewiness, adhesiveness, resilience, etc., which greatly determine consumers' perception and satisfaction for flesh products. Regarding texture quality, extensive research has been conducted in recent decades based on its related theories, influencing factors, and intervention strategies. However, the information available is largely scattered and disjointed. Essentially, flesh texture is mainly determined by the collective contribution of three major muscle components: muscle fibres, intramuscular connective tissue, and intramuscular fat. Therefore, changing these components in living animals through nutritional and management factors has the potential to modulate texture quality. Here, we briefly introduced the features and development of the three muscle components mentioned above, particularly their potential contributions to texture quality of fish flesh. Exciting promises to manipulate flesh texture through dietary intervention, feed restriction, and exercise training were also discussed. To ensure their applications in large‐scale aquaculture facilities, specific considerations of these regimens should be incorporated in experimental design parameters, including the species and age of fish, research system, experiment duration, and exercise intensity. Finally, the existing challenges and limitations of fish texture studies were presented, along with some viewpoints about current work and future directions of this field.

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Section: Strategies To Regulate Texture Characteristics In Aquaculturementioning

confidence: 82%

Section: Exercise Trainingmentioning

confidence: 93%

The flesh texture of teleost fish: Characteristics and interventional strategies

Wang,

Qiao,

Zhang

et al. 2023

Reviews in Aquaculture

View full text Add to dashboard Cite

show abstract

“…Bleeding out following electrical or percussive stunning is well-studied in mammals and birds (e.g., Aghwan et al 2016, Saxmose et al 2019, and this is commonly done by gill slitting in fish (Borderias and Sanchez-Alonso 2011). There are many studies regarding slaughter methods on fillet quality (Lerfall et al 2015, Imsland et al 2019, Skjold et al 2020, Rotabakk et al 2022), but less information is published on how variation in methods and conditions (e.g., variables such as crowding conditions and pumping system) affect fish welfare.…”

Section: Humane Slaughtermentioning

confidence: 99%

A Review of Factors Affecting Farmed Atlantic Salmon (Salmo salar) Welfare in Australia and Beyond

Layman,

Kadar,

Lyall

et al. 2024

Preprint

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With the increasingly global scale and scope of aquaculture, the need to match this development with improvements in fish welfare is a central societal and industry goal. We provide a comprehensive assessment of the farmed Atlantic salmon (Salmo salar) literature with targeted examples focusing on Atlantic salmon farmed in Tasmania, Australia. We synthesise insights from both small- and industry-scale perspectives, highlighting other reviews that provide discussions of particular sub-areas of farmed salmon research. We focus on recent advances and improved methods for farmed Atlantic salmon handling and management, behaviour, health issues and breeding. We also address wildlife interactions resulting from fish farming, as well as future research directions and system development. This review can serve as the basis for the development of aquaculture management guidelines that place individual fish welfare as a primary goal.

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“…More severe gaping has been observed in stressed fish and at higher temperatures [220]. Product quality will also depend on conditions throughout the entire production cycle [221], but the impact is noticed in the processing stage and then implications for selling the product. At a salmon farm in Tasmania, Wade et al [127] showed that a period of unusually high temperatures led to decreased flesh colour.…”

Section: Slaughter and Processingmentioning

confidence: 99%

Insight into real-world complexities is required to enable effective response from the aquaculture sector to climate change

et al. 2022

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This study demonstrates how a comprehensive knowledge base can be used by the aquaculture industry, researchers, and policymakers as a foundation for more targeted and detailed climate change impact analysis, risk assessments and adaptation planning. Atlantic salmon (Salmo salar) production in Norway was used as a case study and to illustrate the need to consider impacts from multiple stressors across different production stages and the wider supply chain. Based on literature searches and industry news, a total of 45 impacts and 101 adaptation responses were identified. Almost all impacts were linked to multiple climate stressors, and many adaptation responses can be used for a range of impacts. Based on the research, a move towards more targeted and detailed assessments is recommended. This can be facilitated through a strong knowledge base, further research to address complexities, and better communication between all stakeholders. The results also demonstrate the need for more climate change research that reflects the challenges that the aquaculture sector faces, where multiple stressors and the range of impacts across production stages and the wider supply chain are included. Highlighting the wide range of stressors, impacts and adaptation responses provides a more holistic understanding of the real-world complexities that aquaculture producers face. This again could facilitate adoption of more effective responses to climate change needed to maintain or increase production sustainably.

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Flesh quality of Atlantic salmon smolts reared at different temperatures and photoperiods

Cited by 9 publications

References 38 publications

The flesh texture of teleost fish: Characteristics and interventional strategies

The flesh texture of teleost fish: Characteristics and interventional strategies

A Review of Factors Affecting Farmed Atlantic Salmon (Salmo salar) Welfare in Australia and Beyond

Insight into real-world complexities is required to enable effective response from the aquaculture sector to climate change

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