The effects of auditory enrichment on zebrafish behavior and physiology

Barcellos, H. H. A.; Koakoski, Gessi; Chaulet, Fabiele da Costa; Kirsten, Karina; Kreutz, Luiz Carlos; Kalueff, Allan V.; Barcellos, Leonardo José Gil

doi:10.7717/peerj.5162

Cited by 35 publications

(6 citation statements)

References 45 publications

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“…By contrast, visual enrichment in the form of seascape backing paper, along with an artificial plant and upturned pot, increased aggression, but the effect, if any, of the backing paper is unknown (Woodward, Winder & Watt, 2019 ). Classical music as auditory enrichment resulted in zebrafish appearing less anxious in behavioural tests and had a positive effect on immune gene expression (Barcellos et al ., 2018 ). Together, these results suggest that auditory and visual stimulation may have potential as enrichment, although further research is needed to determine their merits and long‐term impacts.…”

Section: Physical Environmentmentioning

confidence: 99%

Improving zebrafish laboratory welfare and scientific research through understanding their natural history

2022

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Globally, millions of zebrafish (Danio rerio) are used for scientific laboratory experiments for which researchers have a duty of care, with legal obligations to consider their welfare. Considering the growing use of the zebrafish as a vertebrate model for addressing a diverse range of scientific questions, optimising their laboratory conditions is of major importance for both welfare and improving scientific research. However, most guidelines for the care and breeding of zebrafish for research are concerned primarily with maximising production and minimising costs and pay little attention to the effects on welfare of the environments in which the fish are maintained, or how those conditions affect their scientific research. Here we review the physical and social conditions in which laboratory zebrafish are kept, identifying and drawing attention to factors likely to affect their welfare and experimental science. We also identify a fundamental lack knowledge of how zebrafish interact with many biotic and abiotic features in their natural environment to support ways to optimise zebrafish health and well-being in the laboratory, and in turn the quality of scientific data produced. We advocate that the conditions under which zebrafish are maintained need to become a more integral part of research and that we understand more fully how they influence experimental outcome and in turn interpretations of the data generated.

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Section: Physical Environmentmentioning

confidence: 99%

Improving zebrafish laboratory welfare and scientific research through understanding their natural history

2022

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“…Furthermore, in zebrafish, a model organism for neurosciences, musical enrichment has demonstrable effects, improving their welfare (Barcellos et al. 2018).…”

Section: Refractive Speculationsmentioning

confidence: 99%

“…Theirs encompass the frequency range of our voices (Fay & Popper 2000), and some, like haddock and saithe, produce calls in those ranges (Finstad & Nordeide 2004). Furthermore, in zebrafish, a model organism for neurosciences, musical enrichment has demonstrable effects, improving their welfare (Barcellos et al 2018).…”

Section: Refractive Speculationsmentioning

confidence: 99%

Gutting fishy empathies off the Shetland Islands, Scotland

Herrera

2022

Royal Anthropological Inst

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This article builds upon Amerindian epistemologies and develops a perspectival ethnography of industrial Northwestern European skilled modes of engaging with wild fish. It explores Amerindian perspectivism as an ethnographic methodology grounded on animic premises: subject or object status are relative and relational, experience is intersubjective; the body is permeable, and its perspectives can be exchanged through tools and mimetic processes. Thus subjectivity is collectively constituted and the fundamental means of knowing, leading to the acknowledgement of subjectivity in others. Documenting a perspectival exchange guided by Shetland fishers trawling for monkfish, the article focuses on some possible dynamics and affective affordances involved in gutting processes. Gutting is physically and emotionally taxing labour that involves brief but intimate encounters with responsive beings that may offer effective resistance, affecting fishers or damaging their own value as catch. It entails the possibility of developing an intimate knowledge of fish anatomy, ecology, and behaviour, as well as potentially awareness of fish suffering and fishiness, an empathic quality. The research reveals how Shetland fishers maintain animic modes of learning and being in their understandings of the body and fish. The ethnography presents first-hand insights into 'relations of trust', which, although widely reported, continue to be dismissed as implausible. These relations and their dynamics are further attested through Shetlands háfwords and other language practices that establish synecdochical relations between fishers and fish, restricting violence and making it endurable. These insights problematize violence, illustrating the social skills of fishing and the political dynamics of predation, suggesting paths towards addressing cruelty.

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“…There have been relatively few studies of enrichment for zebrafish within other sensory modalities. One study looked at the effect of auditory stimulation by exposing zebrafish to two hours of classical music daily for 15 days—zebrafish showed lower anxiety and increased activity than those exposed to no music, although cortisol levels did not differ [ 131 ]. However, this is the only study of its kind in zebrafish so far, so it is not known how other forms of music, or other sounds, may affect fish.…”

Section: Defining and Evaluating Environmental Enrichmentmentioning

confidence: 99%

Enrichment for Laboratory Zebrafish—A Review of the Evidence and the Challenges

Stevens

Reed

Hawkins

2021

Animals

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Good practice for the housing and care of laboratory zebrafish Danio rerio is an increasingly discussed topic, with focus on appropriate water quality parameters, stocking densities, feeding regimes, anaesthesia and analgesia practices, methods of humane killing, and more. One area of current attention is around the provision of environmental enrichment. Enrichment is accepted as an essential requirement for meeting the behavioural needs and improving the welfare of many laboratory animal species, but in general, provision for zebrafish is minimal. Some of those involved in the care and use of zebrafish suggest there is a ‘lack of evidence’ that enrichment has welfare benefits for this species, or cite a belief that zebrafish do not ‘need’ enrichment. Concerns are also sometimes raised around the practical challenges of providing enrichments, or that they may impact on the science being undertaken. However, there is a growing body of evidence suggesting that various forms of enrichment are preferred by zebrafish over a barren tank, and that enriched conditions can improve welfare by reducing stress and anxiety. This review explores the effects that enrichment can have on zebrafish behaviour, physiology and welfare, and considers the challenges to facilities of providing more enrichment for the zebrafish they house.

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The effects of auditory enrichment on zebrafish behavior and physiology

Cited by 35 publications

References 45 publications

Improving zebrafish laboratory welfare and scientific research through understanding their natural history

Improving zebrafish laboratory welfare and scientific research through understanding their natural history

Gutting fishy empathies off the Shetland Islands, Scotland

Enrichment for Laboratory Zebrafish—A Review of the Evidence and the Challenges

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