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Berlinghieri F, Panizzon P, Penry-Williams IL, Brown C. Laterality and fish welfare - A review. Appl Anim Behav Sci 2021. [DOI: 10.1016/j.applanim.2021.105239] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Geffroy B, Alfonso S, Sadoul B, Blumstein DT. A World for Reactive Phenotypes. FRONTIERS IN CONSERVATION SCIENCE 2020. [DOI: 10.3389/fcosc.2020.611919] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Humans currently occupy all continents and by doing so, modify the environment and create novel threats to many species; a phenomenon known as human-induced rapid environmental changes (HIREC). These growing anthropogenic disturbances represent major and relatively new environmental challenges for many animals, and invariably alter selection on traits adapted to previous environments. Those species that survive often have moved from their original habitat or modified their phenotype through plasticity or genetic evolution. Based on the most recent advances in this research area, we predict that wild individuals with highly plastic capacities, relatively high basal stress level, and that are generally shy—in other words, individuals displaying a reactive phenotype—should better cope with sudden and widespread HIREC than their counterparts' proactive phenotypes. If true, this selective response would have profound ecological and evolutionary consequences and can therefore impact conservation strategies, specifically with respect to managing the distribution and abundance of individuals and maintaining evolutionary potential. These insights may help design adaptive management strategies to maintain genetic variation in the context of HIREC.
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Linking coping styles and enzymatic activity of energy metabolism in the wedge sole (Dicologlossa cuneata). Appl Anim Behav Sci 2020. [DOI: 10.1016/j.applanim.2020.105080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ibarra-Zatarain Z, Martín I, Rasines I, Fatsini E, Rey S, Chereguini O, Duncan N. Exploring the relationship between stress coping styles and sex, origin and reproductive success, in Senegalese sole (Solea senegalensis) breeders in captivity. Physiol Behav 2020; 220:112868. [PMID: 32173342 DOI: 10.1016/j.physbeh.2020.112868] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 02/03/2020] [Accepted: 03/03/2020] [Indexed: 11/16/2022]
Abstract
Individual animals commonly adopt different stress coping styles that have been shown to impact reproductive success and differ between sexes (female/male) and origin (wild/hatchery). Hatchery reared Senegalese sole (Solea senegalensis) exhibit a behavioural reproductive dysfunction and a complete failure to spawn viable eggs. Hence, the present study examined whether 1) reproductive success of Senegalese sole was linked to coping styles and 2) behavioural differences exist in relation to sex or origin. A total of 198 breeders held in two research institutions were submitted to three individual tests (restraining, new environment and confinement) and one grouping test (risk taking). In addition, a blood sample to quantify cortisol, glucose and lactate levels was obtained from each individual after completing the individual tests. Senegalese sole breeders showed individual differences in behaviour across the different behavioural tests that were consistent with proactive and reactive coping styles traits. However, the most striking result was that reproductive success, sex and origin of Senegalese sole was not biased to any specific coping style. Indeed, the behavioural responses were similar and consistent between fish grouped by reproductive success, sex and origin. This study presented information that contrasts with different studies on dominant aggressive species and indicated that social non-aggressive species such as Senegalese sole follow a cooperative strategy that favours equal opportunities between stress coping styles and sexes. Therefore, results suggest that maintaining both coping styles strategies are fundamental for a sustainable breeder population approach.
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Affiliation(s)
- Z Ibarra-Zatarain
- IRTA, Sant Carles de la Ràpita, Carretera de Poble Nou, km 5.5, E- 43540 Sant Carles de la Ràpita, Tarragona, Spain; CONACYT-UAN-Nayarit Centre for Innovation and Technological Transference, E. González s/n, C.P., 63173 Tepic, México.
| | - I Martín
- Spanish Institute of Oceanography, Santander Oceanographic Centre, Promontorio San Martín, s/n. PO 240. 39004 Santander, Spain
| | - I Rasines
- Spanish Institute of Oceanography, Santander Oceanographic Centre, Promontorio San Martín, s/n. PO 240. 39004 Santander, Spain
| | - E Fatsini
- IRTA, Sant Carles de la Ràpita, Carretera de Poble Nou, km 5.5, E- 43540 Sant Carles de la Ràpita, Tarragona, Spain; Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - S Rey
- Institute of Aquaculture, University of Stirling, Stirling FK9 4LA, United Kingdom
| | - O Chereguini
- Spanish Institute of Oceanography, Santander Oceanographic Centre, Promontorio San Martín, s/n. PO 240. 39004 Santander, Spain
| | - N Duncan
- IRTA, Sant Carles de la Ràpita, Carretera de Poble Nou, km 5.5, E- 43540 Sant Carles de la Ràpita, Tarragona, Spain
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Ibarra-Zatarain Z, Rey S, Boglino A, Fatsini E, Duncan N. Senegalese sole (Solea senegalensis) coping styles are consistent over time: behavioural and physiological responses during ontogenesis. Physiol Behav 2020; 217:112803. [DOI: 10.1016/j.physbeh.2020.112803] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 10/25/2022]
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6
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Johansen IB, Höglund E, Øverli Ø. Individual Variations and Coping Style. Anim Welf 2020. [DOI: 10.1007/978-3-030-41675-1_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Zeng J, Herbert NA, Lu W. Differential Coping Strategies in Response to Salinity Challenge in Olive Flounder. Front Physiol 2019; 10:1378. [PMID: 31780952 PMCID: PMC6852876 DOI: 10.3389/fphys.2019.01378] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 10/18/2019] [Indexed: 11/23/2022] Open
Abstract
To examine how different fish coping strategies respond to salinity challenge, olive flounder (Paralichthys olivaceus) with active coping style (AC) and passive coping style (PC) were transferred from seawater (SW) to freshwater (FW) and their behavior and physiology were analyzed. Different behavioral coping strategies, in terms of escape and feeding tendencies, were confirmed in AC and PC fish without FW exposure. Differences in swimming distance between AC and PC flounder were then assessed after 1 and 2 days of FW transfer. Plasma parameters and branchial gene expression were also determined 2, 5, 8, and 14 days after transfer, with comparisons between AC and PC fish and against a SW-acclimated control group. The results showed that: (1) PC flounder exhibited a significant reduction in swimming activity, while AC flounder significantly increased locomotion 2 days after transfer. (2) The plasma osmolality and plasma ionic (Na+ and Cl−) concentration of FW-acclimated PC flounder declined in a continuous fashion over time but this contrasted against the plasma parameters of AC flounder which fluctuated below the baseline level of a SW-acclimated control group. (3) The expression of NKA-α1 and NHE-3-like mRNA in PC flounder gill increased significantly from 5 days, but the expression of these two genes in AC flounder only increased after 8 days of transfer. (4) There were no remarkable differences observed in Rhcg expressions between AC and PC flounder. This study indicates for the first time that PC flounder adopt a “freeze-passive tolerance” strategy while AC flounder adopt a “flight-active resistance” defense strategy in response to salinity challenge.
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Affiliation(s)
- Junjia Zeng
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China.,National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China.,Leigh Marine Laboratory, The University of Auckland, Warkworth, New Zealand
| | - Neill A Herbert
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Weiqun Lu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China.,National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China.,Leigh Marine Laboratory, The University of Auckland, Warkworth, New Zealand
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8
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Gesto M. Consistent individual competitive ability in rainbow trout as a proxy for coping style and its lack of correlation with cortisol responsiveness upon acute stress. Physiol Behav 2019; 208:112576. [PMID: 31207270 DOI: 10.1016/j.physbeh.2019.112576] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 06/06/2019] [Accepted: 06/06/2019] [Indexed: 12/15/2022]
Abstract
For a given fish species, individuals are different in their ability to cope with stressors; each individual has its own set of physiological and behavioral responses to stress (stress-coping style). This individual diversity is of importance when considering the welfare of fish reared in aquaculture facilities. In this study with rainbow trout (Oncorhynchus mykiss) we investigated the link between the ability to compete for food of each individual (used as a proxy of dominance behavior/proactive stress-coping style) and its ability to cope with stress; we hypothesized that fish that are better competitors would be more robust against common aquaculture stressors. We screened 680 rainbow trout individuals for competition ability. This was done by submitting groups of 20 individuals to a 1-week competition trial where they were kept at low stocking density and were provided a restricted amount of food. A 15% of the screened fish were selected as "winners" and another 15% were selected as "losers", based on growth rates during the competition trials. Fish were re-tested in a second competition trial after several weeks, to assess for consistency of competitive ability. Winner and loser fish were individually exposed to confinement and their neuroendocrine stress response was evaluated (serotonergic activity in telencephalon and brain stem, plasma levels of cortisol, glucose and lactate). Furthermore, behavioral responses to confinement and net restraining tests were also investigated. The results showed good temporal consistency of competitive ability in the lapse of time of the experiments. Besides, competitive ability showed a positive association to fish activity during the net restraining tests. However, plasma stress marker data showed a lack of relevant differences between the acute stress responses of winner and loser fish, adding up to the body of evidence suggesting that stress responsiveness might not be consistently linked to SCS in vertebrates. This, together with the inability of winner fish to outperform loser fish in usual stocking density conditions, suggests that there is no clear welfare or performance benefits in selecting fish of a specific coping style for fish farming, at least in the domesticated trout population used in the current study.
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Affiliation(s)
- Manuel Gesto
- Section for Aquaculture, DTU Aqua, Technical University of Denmark, Willemoesvej 2, 9850 Hirtshals, Denmark.
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9
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Alfonso S, Sadoul B, Gesto M, Joassard L, Chatain B, Geffroy B, Bégout ML. Coping styles in European sea bass: The link between boldness, stress response and neurogenesis. Physiol Behav 2019; 207:76-85. [PMID: 31047951 DOI: 10.1016/j.physbeh.2019.04.020] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 04/24/2019] [Accepted: 04/24/2019] [Indexed: 12/12/2022]
Abstract
Coping styles consist of a coherent set of individual physiological and behavioral differences in stress responses that are consistent across time and context. Such consistent inter-individual differences in behavior have already been shown in European sea bass (Dicentrarchus labrax), but the associated mechanisms are still poorly understood. Here, we combine physiological measurements with individual behavioral responses in order to characterize coping styles in fish. Fish were tagged and placed in a tank for group risk-taking tests (GRT) at 8 months of age to evaluate boldness using the proxy latency of leaving a sheltered area towards an open area. A subsample of these fish were individually challenged 16 months later using an open field test (OFT), in which the boldness was assessed after being placed in a shelter within an open arena. Latency to exit the shelter, time spent in the shelter, and distance travelled were recorded for this purpose. The blood and brain were then collected to evaluate plasma cortisol concentration and neurotransmitter levels (dopamine, norepinephrine, serotonin, and related metabolites), as well as brain transcription of key genes involved in stress axis regulation (gr1, gr2, mr, crf), neurogenesis (neurod1, neurod2, pcna), and neuronal development (egr1). Fish acting bolder in the GRT were not necessarily those acting bolder in the OFT, highlighting the relatively low consistency across different types of tests performed with a 16-months interval. There was, however, a significant correlation between stress markers and boldness. Indeed, mRNA levels of mr, crf, gr2, egr1, and neurod2, as well as norepinephrine levels were higher in shy than bold fish, whereas brain serotonergic activity was lower in shy fish. Overall, our study highlights the fact that boldness was not consistent over time when testing context differed (group vs. alone). This is in agreement with previous literature suggesting that social context play a key role in boldness measurement and that the particular life history of each individual may account in shaping the personality fate of a fish.
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Affiliation(s)
- Sébastien Alfonso
- MARBEC, Univ. Montpellier, CNRS, Ifremer, IRD, Palavas-les-flots, France; Laboratoire Ressources Halieutiques, Ifremer, Place Gaby Coll, F-17137 L'Houmeau, France.
| | - Bastien Sadoul
- MARBEC, Univ. Montpellier, CNRS, Ifremer, IRD, Palavas-les-flots, France
| | - Manuel Gesto
- Technical University of Denmark, Willemoesvej 2 Building Hovedbygning, D-9850 Hirtshals, Denmark
| | - Lucette Joassard
- Laboratoire Ressources Halieutiques, Ifremer, Place Gaby Coll, F-17137 L'Houmeau, France
| | - Béatrice Chatain
- MARBEC, Univ. Montpellier, CNRS, Ifremer, IRD, Palavas-les-flots, France
| | - Benjamin Geffroy
- MARBEC, Univ. Montpellier, CNRS, Ifremer, IRD, Palavas-les-flots, France
| | - Marie-Laure Bégout
- Laboratoire Ressources Halieutiques, Ifremer, Place Gaby Coll, F-17137 L'Houmeau, France
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10
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Damsgård B, Evensen TH, Øverli Ø, Gorissen M, Ebbesson LOE, Rey S, Höglund E. Proactive avoidance behaviour and pace-of-life syndrome in Atlantic salmon. ROYAL SOCIETY OPEN SCIENCE 2019; 6:181859. [PMID: 31032038 PMCID: PMC6458412 DOI: 10.1098/rsos.181859] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 02/18/2019] [Indexed: 06/09/2023]
Abstract
Individuals in a fish population differ in key life-history traits such as growth rate and body size. This raises the question of whether such traits cluster along a fast-slow growth continuum according to a pace-of-life syndrome (POLS). Fish species like salmonids may develop a bimodal size distribution, providing an opportunity to study the relationships between individual growth and behavioural responsiveness. Here we test whether proactive characteristics (bold behaviour coupled with low post-stress cortisol production) are related to fast growth and developmental rate in Atlantic salmon, Salmo salar. Boldness was tested in a highly controlled two-tank hypoxia test were oxygen levels were gradually decreased in one of the tanks. All fish became inactive close to the bottom at 70% oxygen saturation. At 40% oxygen saturation level a fraction of the fish actively sought to avoid hypoxia. A proactive stress coping style was verified by lower cortisol response to a standardized stressor. Two distinct clusters of bimodal growth trajectories were identified, with fast growth and early smoltification in 80% of the total population. There was a higher frequency of proactive than reactive individuals in this fast-developing fraction of fish. The smolts were associated with higher post-stress plasma cortisol than parr, and the proactive smolts leaving hypoxia had significant lower post-stress cortisol than the stayers. The study demonstrated a link between a proactive coping and fast growth and developmental ratio and suggests that selection for domestic production traits promotes this trait cluster.
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Affiliation(s)
- Børge Damsgård
- The University Centre in Svalbard (UNIS), 9171 Longyearbyen, Norway
- Nofima, 9291 Tromsø, Norway
| | | | - Øyvind Øverli
- Department of Food Safety and Infection Biology, Norwegian University of Life Sciences, 0454 Oslo, Norway
| | - Marnix Gorissen
- Department of Animal Ecology and Physiology, Institute of Water and Wetland Research, Radboud University, 6525AJ Nijmegen, The Netherlands
| | | | - Sonia Rey
- Institute of Aquaculture, University of Stirling, FK9 4LA Stirling, UK
| | - Erik Höglund
- Center of Coastal Research, University of Agder, 4604 Kristiansand, Norway
- Norwegian Institute of Water Research, 0349 Oslo, Norway
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11
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Abstract
Dominance hierarchies are common across the animal kingdom and have important consequences for reproduction and survival. Animals of lower social status cope with repeated social defeat using proactive and reactive behaviours. However, there remains a paucity of information on how an individual’s coping behaviours changes over time or what neural mechanisms are involved. We used a resident-intruder paradigm in the African cichlid fish Astatotilapia burtoni to investigate the neural correlates of these two opposing behaviour groups. Fish initially used both proactive and reactive behaviours, but had a dramatic increase in use of proactive behaviours during the third interaction, and this was followed by cessation of proactive behaviours and exclusive use of reactive coping. By quantifying neural activation in socially-relevant brain regions, we identify a subset of brain nuclei, including those homologous to the mammalian amygdala, showing higher activation in fish displaying proactive but not reactive behaviours. Fish displaying reactive behaviours had greater neural activation in the superior raphe, suggesting a possible conserved function during social defeat across vertebrates. These data provide the first evidence on the involvement of specific brain regions underlying proactive and reactive coping in fishes, indicating that these nuclei have conserved functions during social defeat across taxa.
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12
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Backström T, Winberg S. Serotonin Coordinates Responses to Social Stress-What We Can Learn from Fish. Front Neurosci 2017; 11:595. [PMID: 29163002 PMCID: PMC5669303 DOI: 10.3389/fnins.2017.00595] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 10/10/2017] [Indexed: 12/20/2022] Open
Abstract
Social interaction is stressful and subordinate individuals are often subjected to chronic stress, which greatly affects both their behavior and physiology. In teleost fish the social position of an individual may have long-term effects, such as effects on migration, age of sexual maturation or even sex. The brain serotonergic system plays a key role in coordinating autonomic, behavioral and neuroendocrine stress responses. Social subordination results in a chronic activation of the brain serotonergic system an effect, which seems to be central in the subordinate phenotype. However, behavioral effects of short-term acute activation of the serotonergic system are less obvious. As in other vertebrates, divergent stress coping styles, often referred to as proactive and reactive, has been described in teleosts. As demonstrated by selective breeding, stress coping styles appear to be partly heritable. However, teleost fish are characterized by plasticity, stress coping style being affected by social experience. Again, the brain serotonergic system appears to play an important role. Studies comparing brain gene expression of fish of different social rank and/or displaying divergent stress coping styles have identified several novel factors that seem important for controlling aggressive behavior and stress coping, e.g., histamine and hypocretin/orexin. These may also interact with brain monoaminergic systems, including serotonin.
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Affiliation(s)
- Tobias Backström
- Institute of Integrated Natural Sciences, University Koblenz-Landau, Koblenz, Germany
| | - Svante Winberg
- Department of Neuroscience, Uppsala University, Uppsala, Sweden
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13
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High risk no gain-metabolic performance of hatchery reared Atlantic salmon smolts, effects of nest emergence time, hypoxia avoidance behaviour and size. Physiol Behav 2017; 175:104-112. [PMID: 28342770 DOI: 10.1016/j.physbeh.2017.03.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/15/2017] [Accepted: 03/21/2017] [Indexed: 01/23/2023]
Abstract
When animals are reared for conservational releases it is paramount to avoid reducing genetic and phenotypic variation over time. This requires an understanding of how diverging behavioural and physiological traits affect performance both in captivity and after release. In Atlantic salmon, emergence time from the spawning gravel has been linked to certain behavioural and physiological characteristics and to the concept of stress coping styles. Early emerging fry has for example been shown to be bolder and more aggressive and to have higher standard metabolic rates compared to late emerging fry. The first aim was therefore to examine if emergence latency affect the behavioural stress coping response also beyond the fry and parr stage. This was done using a hypoxia avoidance test, where an active behavioural avoidance response can be related to higher risk taking. No behavioural differences were found between the two emergence fractions either at the parr or pre-smolt stage, instead smaller individuals were more prone to express an "active" hypoxia avoidance response. Further, an individual expressing a "passive" response as parr were also more prone to express this behaviour at the pre-smolt stage. While there are some previous studies showing that early emerging individuals with a bolder personality may be favored within a hatchery setting it is not known to what extent these early differences persist to affect performance after release. The second aim was therefore to compare the physiological performance at the time of release as smolts using the two subgroups; 1) early emerging fish showing active hypoxia avoidance (Early+Bold) and 2) late emerging fish showing a passive hypoxia response (Late+Shy). The Early+Bold group showed a higher red blood cell swelling, suggesting a higher adrenergic output during stress, whereas there was no difference in post-stress plasma cortisol or physiological smolt status. While there was no difference in standard metabolic rate between the groups, the Early+Bold group exhibited a lower maximum metabolic rate and aerobic scope following strenuous swimming. In captivity this may have no clear negative effects, but in the wild, a more risk prone behavioural profile linked to a lower aerobic capacity to escape from e.g. a predator attack, could clearly be disadvantageous.
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Ferrari S, Horri K, Allal F, Vergnet A, Benhaim D, Vandeputte M, Chatain B, Bégout ML. Heritability of Boldness and Hypoxia Avoidance in European Seabass, Dicentrarchus labrax. PLoS One 2016; 11:e0168506. [PMID: 27992517 PMCID: PMC5167369 DOI: 10.1371/journal.pone.0168506] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 12/01/2016] [Indexed: 11/19/2022] Open
Abstract
To understand the genetic basis of coping style in European seabass, fish from a full factorial mating (10 females x 50 males) were reared in common garden and individually tagged. Individuals coping style was characterized through behavior tests at four different ages, categorizing fish into proactive or reactive: a hypoxia avoidance test (at 255 days post hatching, dph) and 3 risk-taking tests (at 276, 286 and 304 dph). We observed significant heritability of the coping style, higher for the average of risk-taking scores (h2 = 0.45 ± 0.14) than for the hypoxia avoidance test (h2 = 0.19 ± 0.10). The genetic correlations between the three risk-taking scores were very high (rA = 0.96–0.99) showing that although their repeatability was moderately high (rP = 0.64–0.72), successive risk-taking tests evaluated the same genetic variation. A mild genetic correlation between the results of the hypoxia avoidance test and the average of risk-taking scores (0.45 ± 0.27) suggested that hypoxia avoidance and risk-taking tests do not address exactly the same behavioral and physiological responses. Genetic correlations between weight and risk taking traits showed negative values whatever the test used in our population i.e. reactive individual weights were larger. The results of this quantitative genetic analysis suggest a potential for the development of selection programs based on coping styles that could increase seabass welfare without altering growth performances. Overall, it also contributes to a better understanding of the origin and the significance of individual behavioral differences.
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Affiliation(s)
- Sébastien Ferrari
- Ifremer, Fisheries laboratory, Place Gaby Coll, L’Houmeau, France
- * E-mail: (SF); (MLB)
| | - Khaled Horri
- Ifremer, MARBEC UMR9190, Chemin de Maguelone, Palavas-les-Flots, France
| | - François Allal
- Ifremer, MARBEC UMR9190, Chemin de Maguelone, Palavas-les-Flots, France
| | - Alain Vergnet
- Ifremer, MARBEC UMR9190, Chemin de Maguelone, Palavas-les-Flots, France
| | - David Benhaim
- Laboratoire universitaire des sciences appliquées de Cherbourg, Normandie Univ, UNICAEN, LUSAC, Cherbourg, France
- Conservatoire National des Arts et Métiers. Intechmer, Cherbourg, France
| | - Marc Vandeputte
- GABI, INRA, AgroParisTech, Université Paris-Saclay Jouy-en-Josas, France
- Ifremer, L3AS, Chemin de Maguelone, Palavas-les-Flots, France
| | - Béatrice Chatain
- Ifremer, MARBEC UMR9190, Chemin de Maguelone, Palavas-les-Flots, France
| | - Marie-Laure Bégout
- Ifremer, Fisheries laboratory, Place Gaby Coll, L’Houmeau, France
- * E-mail: (SF); (MLB)
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15
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Ibarra-Zatarain Z, Fatsini E, Rey S, Chereguini O, Martin I, Rasines I, Alcaraz C, Duncan N. Characterization of stress coping style in Senegalese sole ( Solea senegalensis) juveniles and breeders for aquaculture. ROYAL SOCIETY OPEN SCIENCE 2016; 3:160495. [PMID: 28018634 PMCID: PMC5180132 DOI: 10.1098/rsos.160495] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 10/05/2016] [Indexed: 06/06/2023]
Abstract
The aim of this work was to characterize stress coping styles of Senegalese sole (Solea senegalensis) juveniles and breeders and to select an operational behavioural screening test (OBST) that can be used by the aquaculture industry to classify and select between behavioural phenotypes in order to improve production indicators. A total of 61 juveniles and 59 breeders were subjected to five individual behavioural tests and two grouping tests. At the end of the individual tests, all animals were blood sampled in order to measure cortisol, glucose and lactate. Three tests (restraining, new environment and confinement) characterized the stress coping style behaviour of Senegalese sole juveniles and breeders and demonstrated inter-individual consistency. Further, the tests when incorporated into a principal components analysis (PCA) (i) identified two principal axes of personality traits: 'fearfulness-reactivity' and 'activity-exploration', (ii) were representative of the physiological axis of stress coping style, and (iii) were validated by established group tests. This study proposed for the first time three individual coping style tests that reliably represented proactive and reactive personalities of Senegalese sole juveniles and breeders. In addition, the three proposed tests met some basic operational criteria (rapid testing, no special equipment and easy to apply and interpret) that could prove attractive for fish farmers to identify fish with a specific behaviour that gives advantages in the culture system and that could be used to establish selection-based breeding programmes to improve domestication and production.
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Affiliation(s)
- Z. Ibarra-Zatarain
- IRTA, Sant Carles de la Ràpita, Carretera de Poble Nou, km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
- CENIT, Centro Nayarita de Innovación y Transferencia de Tecnología, Av. Emilio M. González s/n., CP 63173. Tepic, México
| | - E. Fatsini
- IRTA, Sant Carles de la Ràpita, Carretera de Poble Nou, km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - S. Rey
- Institute of Aquaculture, University of Stirling, Stirling, Scotland FK9 4LA, UK
| | - O. Chereguini
- Spanish Institute of Oceanography, Santander Oceanographic Centre, Promontorio San Martín, s/n. PO 240, 39004 Santander, Spain
| | - I. Martin
- Spanish Institute of Oceanography, Santander Oceanographic Centre, Promontorio San Martín, s/n. PO 240, 39004 Santander, Spain
| | - I. Rasines
- Spanish Institute of Oceanography, Santander Oceanographic Centre, Promontorio San Martín, s/n. PO 240, 39004 Santander, Spain
| | - C. Alcaraz
- IRTA, Sant Carles de la Ràpita, Carretera de Poble Nou, km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - N. Duncan
- IRTA, Sant Carles de la Ràpita, Carretera de Poble Nou, km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
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Castanheira MF, Martínez Páramo S, Figueiredo F, Cerqueira M, Millot S, Oliveira CCV, Martins CIM, Conceição LEC. Are coping styles consistent in the teleost fish Sparus aurata through sexual maturation and sex reversal? FISH PHYSIOLOGY AND BIOCHEMISTRY 2016; 42:1441-1452. [PMID: 27138140 DOI: 10.1007/s10695-016-0231-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 04/24/2016] [Indexed: 06/05/2023]
Abstract
Individual differences in behaviour and physiological responses to stress are associated with evolutionary adaptive variation and thus raw material for evolution. In farmed animals, the interest in consistent trait associations, i.e. coping styles, has increased dramatically over the last years. However, one of limitations of the available knowledge, regarding the temporal consistency, is that it refers always to short-term consistency (usually few weeks). The present study used an escape response during a net restraining test, previously shown to be an indicative of coping styles in seabream, to investigate long-term consistency of coping styles both over time and during different life history stages. Results showed both short-term (14 days) consistency and long-term (8 months) consistency of escape response. However, we did not found consistency in the same behaviour after sexual maturation when the restraining test was repeated 16, 22 and 23 months after the first test was performed. In conclusion, this study showed consistent behaviour traits in seabream when juveniles, and a loss of this behavioural traits when adults. Therefore, these results underline that adding a life story approach to data interpretation as an essential step forward towards coping styles foreground. Furthermore, a fine-tuning of aquaculture rearing strategies to adapt to different coping strategies may need to be adjusted differently at early stages of development and adults to improve the welfare of farmed fish.
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Affiliation(s)
- Maria Filipa Castanheira
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal.
| | - Sonia Martínez Páramo
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
| | - F Figueiredo
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
- Troms Kråkebolle AS, Ullstindveien 674, 9019, Krokelvdalen, Norway
| | - Marco Cerqueira
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
| | - Sandie Millot
- Laboratoire Ressources Halieutiques, Ifremer, Place Gaby Coll, BP 7, 17137, L'Houmeau, France
| | - Catarina C V Oliveira
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
| | - Catarina I M Martins
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
- Marine Harvest ASA, Bergen, Norway
| | - Luís E C Conceição
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
- SPAROS Lda, Área Empresarial de Marim, Lote C, 8700-221, Olhão, Portugal
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Brännäs E, Backström T, Nilsson J, Carlberg H, Stien LH, Magnhagen C. Distinguishing Arctic charr with different stress coping styles by visual screening of spottiness – reliability and consistency over time. J Zool (1987) 2016. [DOI: 10.1111/jzo.12374] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- E. Brännäs
- Department of Wildlife, Fish, and Environmental Studies Swedish University of Agricultural Sciences Umeå Sweden
| | - T. Backström
- Department of Wildlife, Fish, and Environmental Studies Swedish University of Agricultural Sciences Umeå Sweden
| | - J. Nilsson
- Department of Wildlife, Fish, and Environmental Studies Swedish University of Agricultural Sciences Umeå Sweden
| | - H. Carlberg
- Department of Wildlife, Fish, and Environmental Studies Swedish University of Agricultural Sciences Umeå Sweden
| | - L. H. Stien
- Institute of Marine Research (IMR) Austervoll Research Station Storebø Norway
| | - C. Magnhagen
- Department of Wildlife, Fish, and Environmental Studies Swedish University of Agricultural Sciences Umeå Sweden
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18
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Sébastien F, Leguay D, Vergnet A, Vidal MO, Chatain B, Bégout ML. Unpredictability in food supply during early life influences growth and boldness in European seabass, Dicentrarchus labrax. Appl Anim Behav Sci 2016. [DOI: 10.1016/j.applanim.2016.04.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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19
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20
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Moltesen M, Vindas MA, Winberg S, Ebbesson L, de Lourdes Ruiz-Gomez M, Skov PV, Dabelsteen T, Øverli Ø, Höglund E. Cognitive appraisal of aversive stimulus differs between individuals with contrasting stress coping styles; evidences from selected rainbow trout (Oncorhynchus mykiss) strains. BEHAVIOUR 2016. [DOI: 10.1163/1568539x-00003405] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
In animals, personality variations in response to stress and energy demands have been established. Cognitive processing of negative stimuli correlates with stress response patterns. Still, the relative contribution of cognitive appraisal or physiological demands to the behavioural output needs to be clarified. In this study we utilized reactive (high-responsive, HR) and proactive (low-responsive, LR) rainbow trout strains to investigate how contrasting reactions to hypoxia are related to individual variation in metabolism and/or cognition. The HR-LR strains did not differ in standard metabolic rate or hypoxia tolerance. HR trout displayed more pronounced avoidance to a signal cue after being conditioned with hypoxia, suggesting that they experienced this stimulus more aversive than LR trout. Together with differences in forebrain c-fos activation patterns in dorsomedial pallium, these results suggest cognitive differences between the strains. These results demonstrate that differences in personality/stress coping style can be related to contrasts in cognition, which are independent of metabolic differences.
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Affiliation(s)
- Maria Moltesen
- Section for Ecology and Evolution, Department of Biology, University of Copenhagen, Universitetsparken 15, building 3, 4th floor, DK-2100 Copenhagen Ø, Denmark
- Section for Aquaculture, Institute for Aquatic Resources, Danish Technical University, P.O. Box 101, DK-9850 Hirtshals, Denmark
| | - Marco Antonio Vindas
- Integrative Fish Biology, Uni Research Environment, Uni Research, P.O. Box 7803, NO-5020 Bergen, Norway
| | - Svante Winberg
- Department of Neuroscience, Uppsala University, P.O. Box 593, SE-75124 Uppsala, Sweden
| | - Lars Ebbesson
- Integrative Fish Biology, Uni Research Environment, Uni Research, P.O. Box 7803, NO-5020 Bergen, Norway
| | - Maria de Lourdes Ruiz-Gomez
- Facultad de Ciencias, Universidad Autónoma del Estado de Mexico, Instituto Literario Numero 100 Centro, Toluca, C.P. 50000, Mexico
| | - Peter Vilhelm Skov
- Section for Aquaculture, Institute for Aquatic Resources, Danish Technical University, P.O. Box 101, DK-9850 Hirtshals, Denmark
| | - Torben Dabelsteen
- Section for Ecology and Evolution, Department of Biology, University of Copenhagen, Universitetsparken 15, building 3, 4th floor, DK-2100 Copenhagen Ø, Denmark
| | - Øyvind Øverli
- Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, P.O. Box 5003, NO-1432 Ås, Norway
| | - Erik Höglund
- Section for Aquaculture, Institute for Aquatic Resources, Danish Technical University, P.O. Box 101, DK-9850 Hirtshals, Denmark
- Niva Region South, Norsk institutt for vannforskning, Gaustadalléen 21, NO-0349 Oslo, Norway
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21
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White S, Kells T, Wilson A. Metabolism, personality and pace of life in the Trinidadian guppy, Poecilia reticulata. BEHAVIOUR 2016. [DOI: 10.1163/1568539x-00003375] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
While among-individual variation in behaviour, or personality, is common across taxa, its mechanistic underpinnings are poorly understood. The Pace of Life syndrome (POLS) provides one possible explanation for maintenance of personality differences. POLS predicts that metabolic differences will covary with behavioural variation, with high metabolism associated with risk prone behaviour and ‘faster’ life histories (e.g., high growth, early maturation). We used a repeated measures approach, assaying metabolic traits (rate and scope), behaviour and growth to test these predictions in the Trinidadian guppy, Poecilia reticulata. We found that while individuals varied significantly in their behaviour and growth rate, more risk prone individuals did not grow significantly faster. Furthermore, after accounting for body size there was no support for among-individual variation in metabolic traits. Thus, while personality differences are clearly present in this population, they do not covary with metabolism and the POLS framework is not supported.
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Affiliation(s)
- S.J. White
- Centre for Ecology and Conservation, University of Exeter (Penryn Campus), Treliever Road, Penryn, Cornwall TR10 9FE, UK
| | - T.J. Kells
- Centre for Ecology and Conservation, University of Exeter (Penryn Campus), Treliever Road, Penryn, Cornwall TR10 9FE, UK
| | - A.J. Wilson
- Centre for Ecology and Conservation, University of Exeter (Penryn Campus), Treliever Road, Penryn, Cornwall TR10 9FE, UK
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23
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Dietary fatty acid composition significantly influenced the proactive–reactive behaviour of Senegalese sole ( Solea senegalensis ) post-larvae. Appl Anim Behav Sci 2015. [DOI: 10.1016/j.applanim.2015.08.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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24
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Sadoul B, Leguen I, Colson V, Friggens NC, Prunet P. A multivariate analysis using physiology and behavior to characterize robustness in two isogenic lines of rainbow trout exposed to a confinement stress. Physiol Behav 2015; 140:139-47. [DOI: 10.1016/j.physbeh.2014.12.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2014] [Revised: 11/24/2014] [Accepted: 12/02/2014] [Indexed: 10/24/2022]
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25
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Preston AC, Taylor JF, Adams CE, Migaud H. Surface feeding and aggressive behaviour of diploid and triploid brown trout Salmo trutta during allopatric pair-wise matchings. JOURNAL OF FISH BIOLOGY 2014; 85:882-900. [PMID: 25082262 DOI: 10.1111/jfb.12478] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 06/19/2014] [Indexed: 06/03/2023]
Abstract
Diploid and triploid brown trout Salmo trutta were acclimated for 6 weeks on two feeding regimes (floating and sinking). Thereafter, aggression and surface feeding response were compared between pairs of all diploid, all triploid and diploid and triploid S. trutta in an experimental stream. In each pair-wise matching, fish of similar size were placed in allopatry and rank was determined by the total number of aggressive interactions recorded. Dominant individuals initiated more aggression than subordinates, spent more time defending a territory and positioned themselves closer to the surface food source (Gammarus pulex), whereas subordinates occupied the peripheries. In cross ploidy trials, diploid S. trutta were more aggressive than triploid, and dominated their sibling when placed in pair-wise matchings. Surface feeding, however, did not differ statistically between ploidy irrespective of feeding regime. Triploids adopted a sneak feeding strategy while diploids expended more time defending a territory. In addition, we also tested whether triploids exhibit a similar social dominance to diploids when placed in allopatry. Although aggression was lower in triploid pairs than in the diploid and triploid pairs, a dominance hierarchy was also observed between individuals of the same ploidy. Dominant triploid fish were more aggressive and consumed more feed items than subordinate individuals. Subordinate fish displayed a darker colour index than dominant fish suggesting increased stress levels. Dominant triploid fish, however, appeared to be more tolerant of subordinate individuals and did not display the same degree of invasive aggression as seen in the diploid and diploid or diploid and triploid matchings. These novel findings suggest that sterile triploid S. trutta feed similarly but are less aggressive than diploid trout. Future studies should determine the habitat choice of triploid S. trutta after release and the interaction between wild fish and triploids during the breeding season prior to utilization of triploids as an alternative management strategy within freshwater fisheries.
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Affiliation(s)
- A C Preston
- Reproduction and Genetics Group, School of Natural Sciences, Institute of Aquaculture, University of Stirling, FK9 4 LA Stirling, Scotland, U.K
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26
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Manuel R, Gorissen M, Roca CP, Zethof J, van de Vis H, Flik G, van den Bos R. Inhibitory avoidance learning in zebrafish (Danio rerio): effects of shock intensity and unraveling differences in task performance. Zebrafish 2014; 11:341-52. [PMID: 25004302 DOI: 10.1089/zeb.2013.0970] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The zebrafish (Danio rerio) is increasingly used as a model in neurobehavioral and neuroendocrine studies. The inhibitory avoidance paradigm has been proposed as tool to study mechanisms underlying learning and memory in zebrafish. In this paradigm subjects receive a shock after entering the black compartment of a black-white box. On the next day, latency to enter the black compartment is assessed; higher latencies are indicative of increased avoidance learning. Here, we aimed to understand the effects of different shock intensities (0, 1, 3, and 9 V) and to unravel variation in inhibitory avoidance learning in an in-house reared Tuebingen Long-Fin zebrafish (D. rerio) strain. While median latencies had increased in the 1, 3, and 9 V groups, no increase in median latency was found in the 0 V group. In addition, higher shock intensities resulted in a higher number of avoiders (latency ≥180 s) over nonavoiders (latency <60 s). Both changes are indicative of increased avoidance learning. We assessed whole-body cortisol content and the expression levels of genes relevant to stress, anxiety, fear, and learning 2 h after testing. Shock intensity was associated with whole-body cortisol content and the expression of glucocorticoid receptor alpha [nr3c1(alpha)], cocaine- and amphetamine-regulated transcript (cart4), and mineralocorticoid receptor (nr3c2), while avoidance behavior was associated with whole-body cortisol content only. The inhibitory avoidance paradigm in combination with measuring whole-body cortisol content and gene expression is suitable to unravel (genetic) mechanisms of fear avoidance learning. Our data further show differences in brain-behavior relationships underlying fear avoidance learning and memory in zebrafish. These findings serve as starting point for further unraveling differences in brain-behavior relationships underlying (fear avoidance) learning and memory in zebrafish.
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Affiliation(s)
- Remy Manuel
- 1 Department of Animal Physiology, Institute of Water and Wetland Research, Radboud University Nijmegen , Nijmegen, The Netherlands
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Herrera M, Castanheira MF, Conceição LE, Martins CI. Linking risk taking and the behavioral and metabolic responses to confinement stress in gilthead seabream Sparus aurata. Appl Anim Behav Sci 2014. [DOI: 10.1016/j.applanim.2014.03.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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28
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Antipredator Behavior QTL: Differences in Rainbow Trout Clonal Lines Derived from Wild and Hatchery Populations. Behav Genet 2014; 44:535-46. [DOI: 10.1007/s10519-014-9663-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Accepted: 05/09/2014] [Indexed: 10/25/2022]
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29
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Backström T, Brännäs E, Nilsson J, Magnhagen C. Behaviour, physiology and carotenoid pigmentation in Arctic charr Salvelinus alpinus. JOURNAL OF FISH BIOLOGY 2014; 84:1-9. [PMID: 24383798 DOI: 10.1111/jfb.12240] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 08/19/2013] [Indexed: 06/03/2023]
Abstract
The behaviour during an exploration task and the response to a confinement stress of Arctic charr Salvelinus alpinus were evaluated. Behaviour of individuals during 90 min of exploration was classified into high and low activity. High-activity individuals had higher plasma cortisol levels following stress compared to low-activity individuals. This indicates that high- and low-activity individuals correspond to reactive and proactive stress-coping styles. Further, a pigmentation analysis showed that high-activity individuals had a higher number of carotenoid spots cm⁻² than low-activity individuals. Thus, carotenoid pigmentation, as melanin pigmentation in other salmonids, could be linked to stress-coping style in S. alpinus.
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Affiliation(s)
- T Backström
- Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
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30
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Backström T, Winberg S. Central corticotropin releasing factor and social stress. Front Neurosci 2013; 7:117. [PMID: 23847465 PMCID: PMC3705187 DOI: 10.3389/fnins.2013.00117] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Accepted: 06/19/2013] [Indexed: 12/23/2022] Open
Abstract
Social interactions are a main source of stress in vertebrates. Social stressors, as well as other stressors, activate the hypothalamic–pituitary–adrenal (HPA) axis resulting in glucocorticoid release. One of the main components of the HPA axis is corticotropin releasing factor (CRF). The neuropeptide CRF is part of a peptide family including CRF, urocortin 1–3, urotensin 1–3, and sauvagine. The actions of the CRF family are mediated by at least two different receptors with different anatomical distribution and affinities for the peptides. The CRF peptides affect several behavioral and physiological responses to stress including aggression, feeding, and locomotor activity. This review will summarize recent research in vertebrates concerning how social stress interacts with components of the CRF system. Consideration will be taken to the different models used for social stress ranging from social isolation, dyadic interactions, to group dominance hierarchies. Further, the temporal effect of social stressor from acute, intermittent, to chronic will be considered. Finally, strains selected for specific behavior or physiology linked to social stress will also be discussed.
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Affiliation(s)
- Tobias Backström
- Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences Umeå, Sweden
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31
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Castanheira MF, Herrera M, Costas B, Conceição LEC, Martins CIM. Can we predict personality in fish? Searching for consistency over time and across contexts. PLoS One 2013; 8:e62037. [PMID: 23614007 PMCID: PMC3628343 DOI: 10.1371/journal.pone.0062037] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Accepted: 03/17/2013] [Indexed: 11/19/2022] Open
Abstract
The interest in animal personality, broadly defined as consistency of individual behavioural traits over time and across contexts, has increased dramatically over the last years. Individual differences in behaviour are no longer recognised as noise around a mean but rather as adaptive variation and thus, essentially, raw material for evolution. Animal personality has been considered evolutionary conserved and has been shown to be present in all vertebrates including fish. Despite the importance of evolutionary and comparative aspects in this field, few studies have actually documented consistency across situations in fish. In addition, most studies are done with individually housed fish which may pose additional challenges when interpreting data from social species. Here, we investigate, for the first time in fish, whether individual differences in behavioural responses to a variety of challenges are consistent over time and across contexts using both individual and grouped-based tests. Twenty-four juveniles of Gilthead seabream Sparus aurata were subjected to three individual-based tests: feed intake recovery in a novel environment, novel object and restraining and to two group-based tests: risk-taking and hypoxia. Each test was repeated twice to assess consistency of behavioural responses over time. Risk taking and escape behaviours during restraining were shown to be significantly consistent over time. In addition, consistency across contexts was also observed: individuals that took longer to recover feed intake after transfer into a novel environment exhibited higher escape attempts during a restraining test and escaped faster from hypoxia conditions. These results highlight the possibility to predict behaviour in groups from individual personality traits.
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32
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Linking cortisol responsiveness and aggressive behaviour in gilthead seabream Sparus aurata: Indication of divergent coping styles. Appl Anim Behav Sci 2013. [DOI: 10.1016/j.applanim.2012.11.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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LeBlanc S, Höglund E, Gilmour KM, Currie S. Hormonal modulation of the heat shock response: insights from fish with divergent cortisol stress responses. Am J Physiol Regul Integr Comp Physiol 2012; 302:R184-92. [DOI: 10.1152/ajpregu.00196.2011] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Acute temperature stress in animals results in increases in heat shock proteins (HSPs) and stress hormones. There is evidence that stress hormones influence the magnitude of the heat shock response; however, their role is equivocal. To determine whether and how stress hormones may affect the heat shock response, we capitalized on two lines of rainbow trout specifically bred for their high (HR) and low (LR) cortisol response to stress. We predicted that LR fish, with a low cortisol but high catecholamine response to stress, would induce higher levels of HSPs after acute heat stress than HR trout. We found that HR fish have significantly higher increases in both catecholamines and cortisol compared with LR fish, and LR fish had no appreciable stress hormone response to heat shock. This unexpected finding prevented further interpretation of the hormonal modulation of the heat shock response but provided insight into stress-coping styles and environmental stress. HR fish also had a significantly greater and faster heat shock response and less oxidative protein damage than LR fish. Despite these clear differences in the physiological and cellular responses to heat shock, there were no differences in the thermal tolerance of HR and LR fish. Our results support the hypothesis that responsiveness to environmental change underpins the physiological differences in stress-coping styles. Here, we demonstrate that the heat shock response is a distinguishing feature of the HR and LR lines and suggest that it may have been coselected with the hormonal responses to stress.
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Affiliation(s)
- Sacha LeBlanc
- Department of Biology, Mount Allison University, Sackville, New Brunswick, Canada
| | - Erik Höglund
- North Sea Research Center, Technical University of Denmark, Hirtshals, Denmark; and
| | | | - Suzanne Currie
- Department of Biology, Mount Allison University, Sackville, New Brunswick, Canada
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34
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Vaz-Serrano J, Ruiz-Gomez ML, Gjøen HM, Skov PV, Huntingford FA, Overli O, Höglund E. Consistent boldness behaviour in early emerging fry of domesticated Atlantic salmon (Salmo salar): Decoupling of behavioural and physiological traits of the proactive stress coping style. Physiol Behav 2011; 103:359-64. [PMID: 21352840 DOI: 10.1016/j.physbeh.2011.02.025] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2010] [Revised: 02/02/2011] [Accepted: 02/14/2011] [Indexed: 11/25/2022]
Abstract
Individual variation in the way animals cope with stressors has been documented in a number of animal groups. In general, two distinct sets of behavioural and physiological responses to stress have been described: the proactive and the reactive coping styles. Some characteristics of stress coping style seem to be coupled to the time to emerge of fry from spawning redds in natural populations of salmonid fishes. In the present study, behavioural and physiological traits of stress coping styles were compared two and five months after emergence in farmed Atlantic salmon (Salmo salar), using individuals with an early or late time to emerge. Initially, compared to late emerging individuals, early emerging individuals showed a shorter time to resume feeding after transfer to rearing in isolation. Resumption of feeding after isolation was suggested to be related to boldness behaviour, rather than hunger, in the present study. This observation was repeated five months after emergence, demonstrating behavioural consistency over time in this trait. However, in other traits of proactive and reactive stress coping styles, such as social status, resting metabolism or post stress cortisol concentrations, early and late emerging individuals did not differ. Therefore, this study demonstrates that boldness in a novel environment is uncoupled from other traits of the proactive and reactive stress coping styles in farmed salmonids. It is possible that this decoupling is caused by the low competitive environment in which fish were reared. In natural populations of salmonids, however, the higher selection pressure at emergence could select for early emerging individuals with a proactive coping style.
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Affiliation(s)
- J Vaz-Serrano
- Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, P.O. Box 5003, N-1432 Ås, Norway
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Backström T, Schjolden J, Øverli Ø, Thörnqvist PO, Winberg S. Stress effects on AVT and CRF systems in two strains of rainbow trout (Oncorhynchus mykiss) divergent in stress responsiveness. Horm Behav 2011; 59:180-6. [PMID: 21087609 DOI: 10.1016/j.yhbeh.2010.11.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2010] [Revised: 11/07/2010] [Accepted: 11/09/2010] [Indexed: 11/29/2022]
Abstract
The aim for this study was to examine whether the F4 generation of two strains of rainbow trout divergent in their plasma cortisol response to confinement stress (HR: high responder or LR: low responder) would also differ in stress-induced effects on forebrain concentrations of mRNA for corticotropin-releasing factor (CRF), arginine vasotocin (AVT), CRF receptor type 1 (CRF-R1), CRF receptor type 2 (CRF-R2) and AVT receptor (AVT-R). In addition, plasma cortisol concentrations, brainstem levels of monoamines and monoamine metabolites, and behaviour during confinement were monitored. The results confirm that HR and LR trout differ in their cortisol response to confinement and show that fish of these strains also differ in their behavioural response to confinement. The HR trout displayed significantly higher locomotor activity while in confinement than LR trout. Moreover, following 180 min of confinement HR fish showed significantly higher forebrain concentrations of CRF mRNA than LR fish. Also, when subjected to 30 min of confinement HR fish showed significantly lower CRF-R2 mRNA concentrations than LR fish, whereas there were no differences in CRF-R1, AVT or AVT-R mRNA expression between LR and HR fish either at 30 or 180 min of confinement. Differences in the expression of CRF and CRF-R2 mRNA may be related to the divergence in stress coping displayed by these rainbow trout strains.
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Affiliation(s)
- Tobias Backström
- Evolutionary Biology Centre, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, SE-752 36 Uppsala, Sweden
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36
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Van de Nieuwegiessen PG, Ramli NM, Knegtel BPFJM, Verreth JAJ, Schrama JW. Coping strategies in farmed African catfish Clarias gariepinus. Does it affect their welfare? JOURNAL OF FISH BIOLOGY 2010; 76:2486-501. [PMID: 20557604 DOI: 10.1111/j.1095-8649.2010.02635.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The objective of this study was to assess whether and how coping strategies affect the welfare of African catfish Clarias gariepinus housed at low and high densities. Group composition influenced feed intake; re-active groups (comprised of 100% re-active fish) had a lower specific growth rate (G) and feed intake and a higher feed conversion ratio (R(FC)) than pro-active groups. Furthermore, re-active groups had a lower energy retention than pro-active groups. The latter was fully due to differences in feed intake, since energy partitioning (on % total gross energy intake basis) was similar among the group composition treatments. Fish held at high stocking density showed a higher R(FC) and feeding speed and a lower energy retention and agonistic behaviour. None of the measured variables was influenced by the interaction effect. In mixed groups, G and number of skin lesions seemed to be affected by different behavioural phenotypes at low stocking density, but not at high density. These results indicate that both stocking density and group composition affect physical and behavioural responses of C. gariepinus. Furthermore, physical and behavioural data of individual fish housed in mixed groups suggest that coping strategy affects the fitness of different behavioural phenotypes at low, but not at high, stocking density.
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Affiliation(s)
- P G Van de Nieuwegiessen
- Aquaculture and Fisheries Group, Wageningen University, P.O. Box 338, 6700 AH Wageningen, The Netherlands
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Individual differences in cortisol levels and behaviour of Senegalese sole (Solea senegalensis) juveniles: Evidence for coping styles. Appl Anim Behav Sci 2010. [DOI: 10.1016/j.applanim.2010.01.008] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Brelin D, Petersson E, Dannewitz J, Dahl J, Winberg S. Frequency distribution of coping strategies in four populations of brown trout (Salmo trutta). Horm Behav 2008; 53:546-56. [PMID: 18280474 DOI: 10.1016/j.yhbeh.2007.12.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2007] [Revised: 12/20/2007] [Accepted: 12/20/2007] [Indexed: 11/23/2022]
Abstract
In a challenging situation some animals respond by active avoidance, aggression and an activation of the sympathetic nervous system whereas others respond by immobility, low levels of aggression and a predominant adrenocortical stress response. When consistent over time and across situations such inter-individual differences in behavioural and physiological stress responses are referred to as stress coping strategies. In a previous study we reported the existence of two distinct stress coping strategies in a sea-ranched brown trout (Salmo trutta) population. Using the same method, we here show that four brown trout populations with different origin, but reared under identical conditions, differ in their endocrine stress response, behaviour during hypoxia and aggression. Further more, if individuals are classified as high- and low responsive based on post-stress blood plasma noradrenalin levels (indicator of sympathetic reactivity) the frequency distribution shows that populations with hatchery origin are biased towards having higher frequencies of high responsive individuals. However, the number of high responsive trout ranges from 14-48% in the different populations which shows that generally the frequency is biased towards lower levels of high responsive individuals. We discuss different frequency-dependent mechanisms that maintain multiple phenotypes in populations and speculate about differences in selection regime among the studied populations.
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Affiliation(s)
- Daniel Brelin
- Comparative Physiology/Department of Physiology and Developmental Biology, Evolutionary Biology Centre, Uppsala University, SE-752 36 Uppsala, Sweden.
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Pre-slaughter conditions, animal stress and welfare: current status and possible future research. Animal 2008; 2:1501-17. [DOI: 10.1017/s1751731108002723] [Citation(s) in RCA: 120] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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Øverli Ø, Sørensen C, Pulman KGT, Pottinger TG, Korzan W, Summers CH, Nilsson GE. Evolutionary background for stress-coping styles: relationships between physiological, behavioral, and cognitive traits in non-mammalian vertebrates. Neurosci Biobehav Rev 2006; 31:396-412. [PMID: 17182101 DOI: 10.1016/j.neubiorev.2006.10.006] [Citation(s) in RCA: 332] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2006] [Accepted: 10/30/2006] [Indexed: 10/23/2022]
Abstract
Reactions to stress vary between individuals, and physiological and behavioral responses tend to be associated in distinct suites of correlated traits, often termed stress-coping styles. In mammals, individuals exhibiting divergent stress-coping styles also appear to exhibit intrinsic differences in cognitive processing. A connection between physiology, behavior, and cognition was also recently demonstrated in strains of rainbow trout (Oncorhynchus mykiss) selected for consistently high or low cortisol responses to stress. The low-responsive (LR) strain display longer retention of a conditioned response, and tend to show proactive behaviors such as enhanced aggression, social dominance, and rapid resumption of feed intake after stress. Differences in brain monoamine neurochemistry have also been reported in these lines. In comparative studies, experiments with the lizard Anolis carolinensis reveal connections between monoaminergic activity in limbic structures, proactive behavior in novel environments, and the establishment of social status via agonistic behavior. Together these observations suggest that within-species diversity of physiological, behavioral and cognitive correlates of stress responsiveness is maintained by natural selection throughout the vertebrate sub-phylum.
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Affiliation(s)
- Øyvind Øverli
- Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, P.O. Box 5003, N-1432 As, Norway.
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Schjolden J, Pulman KGT, Pottinger TG, Tottmar O, Winberg S. Serotonergic characteristics of rainbow trout divergent in stress responsiveness. Physiol Behav 2006; 87:938-47. [PMID: 16603210 DOI: 10.1016/j.physbeh.2006.02.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2005] [Revised: 02/10/2006] [Accepted: 02/20/2006] [Indexed: 11/27/2022]
Abstract
Juvenile rainbow trout divergent in their cortisol response to confinement stress (HR: high responsive or LR: low responsive fish) were exposed to either 1 or 3 h of confinement stress. Untreated fish served as control. After the exposure blood and brain samples were collected. From the blood samples, the levels of cortisol and catecholamines were determined, while the brain serotonergic and monoamineoxidase (MAO) activity was determined in four different brain areas (brain stem, hypothalamus, telencephalon and optic tectum). Our results show that the LR fish responds to handling stress with a higher increase in plasma epinephrine compared to HR fish. Our results also show that confinement stress leads to a larger increase in the serotonergic activity in the brain stem and telencephalon in LR fish compared to HR fish. These results support the hypothesis that stress coping strategies similar to those described in mammals also exists in fish. Further, our results have shown that the MAO activity increases in optic tectum and hypothalamus of rainbow trout during confinement stress, while it remains unchanged or decreases in brain stem and telencephalon. Moreover, the MAO activity does not differ between the two selection lines. This indicates that MAO participates actively in the stress response without contributing to the differences in stress coping strategies.
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Affiliation(s)
- J Schjolden
- Evolutionary Biology Centre, Institution of Physiology and Developmental Biology, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden.
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