Use of conditioned place preference/avoidance tests to assess affective states in fish

Millot, Sandie; Cerqueira, Marco; Castanheira, Maria Filipa; Øverli, Øyvind; Martins, Catarina I.M.; Oliveira, Rui Filipe

doi:10.1016/j.applanim.2014.02.004

Cited by 31 publications

(24 citation statements)

References 36 publications

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“…A small percentage of respondents presented a view that fish are unable to feel emotions, which conflicts with several studies that have reported behavioural complexity of fish, including data on cognition and consciousness [5–8,34]. Additionally, recently it was concluded that fish are able to retain memories of events with positive and negative valence, which may be retrieved by environmental cues [35]. Thus, fish behavioural complexity and flexibility evidence their sentience.…”

Section: Discussionmentioning

confidence: 92%

Perception of Fish Sentience, Welfare and Humane Slaughter by Highly Educated Citizens of Bogotá, Colombia and Curitiba, Brazil

2017

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Discussions on farm animal welfare have become frequent, especially in developed countries. The aim of this research was to study the perception of fish sentience, welfare and slaughter by highly educated citizens from Bogotá, Colombia, and Curitiba, Brazil. An online survey with 12 questions presented as open-ended, multiple choice and 5-point Likert-type scale formats was available to respondents. Answers from 395 participants in Bogotá and 387 in Curitiba were analyzed, and results are presented in the order Bogotá followed by Curitiba. The percentage of participants who perceived fish as sentient animals was 79.7% and 71.8%. The classification of sentience perception among taxonomic groups seems in accordance with the phylogenetic proximity to humans, suggesting participants were more likely to perceive sentience in mammals than in other animals. The descending order related to the highest perception of fish suffering in different scenarios was fishing with hook and line (75.6%, 70.6%); municipal live fish fair (68.7%—only in Curitiba); fish-and-pay ponds (59.7%, 54.4%); fish kept as laboratory animals (58.0, 48.1%); fish farming (35.7, 36.8%); fish in pet stores (35.5%, 26.1%); production of ornamental fish (19.3%, 21.8%); fish in aquarium exhibits (18.8%,16.9%); and fish kept as pets (12.4%,12.3%). Lack of knowledge about the conditions of capture, handling, transport and sale of ornamental fish may justify the perception of low level of suffering in the last scenarios. Regarding humane slaughter, 57.0% and 55.0% of respondents were unaware of the issue. After reflection induced by the questionnaire, 76.0% and 72% of participants believed that fish should be included in humane slaughter regulations. This study presents original data suggesting that respondents from Bogotá and Curitiba consider fish as sentient beings. The perception of suffering in specific scenarios challenges common activities. Recognition of suffering also endorses humane slaughter regulations to reduce pain in a large number of individuals of fish slaughtered annually for human consumption in Colombia and Brazil.

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Section: Discussionmentioning

confidence: 92%

Perception of Fish Sentience, Welfare and Humane Slaughter by Highly Educated Citizens of Bogotá, Colombia and Curitiba, Brazil

2017

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“…Castanheira, Øverli, Oliveira, et al . ). Such knowledge, become essential to understand individual variability and the adjustment of organisms to changing environments (Faustino et al .…”

Section: Current Issues In Farmed Fish Welfarementioning

confidence: 97%

“…Research on fish sentience, driven between ethology and cognitive psychology has been conducted over the last years to assess the aptitudes of these taxa to consciously experience the surrounding environment, either by suffering pain or experiencing positive states, like other vertebrates (Dawkins 1998;Braithwaite & Huntingford 2004;Sneddon 2004;Braithwaite & Boulcott 2007;Rose et al 2012). Despite lacking a developed neocortex, self-awareness and cognitive abilities on the same level as mammals, it is suggested that fish can certainly sense noxious stimuli, experiencing, to some level, both pain and fear (Sneddon 2009), that are capable of environmental perception (Millot, Cerqueira, M. F. Castanheira, Øverli, Martins, et al 2014;Millot, Cerqueira, M.-F. Castanheira, Øverli, Oliveira, et al 2014) and can express emotions-like states (Cerqueira et al 2017). Recently, in zebrafish (Danio rerio), the capacity of expressing emotional fever (e.g.…”

Section: Introductionmentioning

confidence: 99%

A Proteomics and other Omics approach in the context of farmed fish welfare and biomarker discovery

Magalhães

Cerqueira

Schrama

et al. 2018

Reviews in Aquaculture

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The rapid and intensive growth of aquaculture over the last decade, poses a tremendous challenge to this industry in order to comply with the latest guidelines, established to minimise its negative effects on the environment, animal welfare and public health. Farmed fish welfare has become one of the main priorities towards sustainable aquaculture production with several initiatives launched by the European Union within the framework of the 2030 agenda. It is clear that an unbiased and reliable way to access farmed fish welfare needs to be implemented due to the lack of reliable indicators and standardised methods that are used at present. In this review, we start by addressing the status quo of animal and fish welfare definition in particular, describing the methods and assays currently used to measure it. We then explain why we believe these methods are unreliable and why there is a need to establish new ones that will promote productivity and consumer's acceptance of farmed fish. The establishment of a new type of welfare biomarkers using cutting‐edge technologies like proteomics and other omics technologies is proposed as a solution to this issue. Therefore, we provide a brief description of these new methodologies, describing for each one how they can improve our scientific knowledge and the role they can play in farmed fish welfare biomarker discovery.

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“…Also Millot et al . () shown that fish are able to retain memories of events with positive/negative valence which are retrieved by environmental cues.…”

Section: Introductionmentioning

confidence: 99%

Coping styles in farmed fish: consequences for aquaculture

Castanheira

Conceição

Millot

et al. 2015

Reviews in Aquaculture

Self Cite

156

174

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Individual differences in physiological and behavioural responses to stressors are increasingly recognised as adaptive variation and thus raw material for evolution and fish farming improvements including selective breeding. Such individual variation has been evolutionarily conserved and is present in all vertebrate taxa including fish. In farmed animals, the interest in consistent trait associations, that is coping styles, has increased dramatically over the last years because many studies have demonstrated links to performance traits, health and disease susceptibility and welfare. This study will review (i) the main behavioural, neuroendocrine, cognitive and emotional differences between reactive and proactive coping styles in farmed fish; (ii) the methodological approaches used to identify coping styles in farmed fish, including individual (group) mass-screening tests; and (iii) how knowledge on coping styles may contribute to improved sustainability of the aquaculture industry, including welfare and performance of farmed fish. Moreover, we will suggest areas for future research, where genetic basis (heritability/ epigenetic) of coping styles, and the neuroendocrine mechanisms behind consistent as well as flexible behavioural patterns are pinpointed as central themes. In addition, the ontogeny of coping styles and the influence of age, social context and environmental change in coping styles will also be discussed.

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Use of conditioned place preference/avoidance tests to assess affective states in fish

Cited by 31 publications

References 36 publications

Perception of Fish Sentience, Welfare and Humane Slaughter by Highly Educated Citizens of Bogotá, Colombia and Curitiba, Brazil

Perception of Fish Sentience, Welfare and Humane Slaughter by Highly Educated Citizens of Bogotá, Colombia and Curitiba, Brazil

A Proteomics and other Omics approach in the context of farmed fish welfare and biomarker discovery

Coping styles in farmed fish: consequences for aquaculture

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