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AbstractFull Text

The response of cultured rainbow trout to their mirrored image was investigated. Thirty fish were placed individually in two novel aquariums consecutively for 10 min each. Walls in one aquarium were covered with mirrors on all four sides, whereas the walls of the other aquarium were non-transparent ...

Author(s)
Rauw, W. M.; García-Cortés, L. A.; Villarroel, M.; Gomez-Raya, L.
Publisher
Spanish National Institute for Agricultural and Food Research and Technology (INIA), Madrid, Spain
Citation
Spanish Journal of Agricultural Research, 2017, 15, 1, pp e05SC02
Abstract

Feed efficiency is a trait of high economic importance in fish production, and is highly related to feeding regimes employed and stocking density. However, feed efficiency is difficult to estimate because measurements of individual feed intake are generally not available in fish that are usually...

Author(s)
Rauw, W. M.; Larrán, A. M.; Garcia-Cortés, L. A.; Lujan Rodriguez, M.; Fernández, J.; Pinedo, J.; Villarroel, M.; Toro, M. A.; Tomás-Almenar, C.; Gomez-Raya, L.
Publisher
Virginia Tech Libraries, USA
Citation
International Journal of Recirculating Aquaculture, 2016, 13, pp 11-18
Abstract

In aquaculture, fish are exposed to a range of unfavourable environmental conditions. Amongst these, stocking density has attracted considerable attention as inappropriate densities may compromise welfare and negatively impact production. However, the recommendations for stocking remain elusive....

Author(s)
Laursen, D. C.; Andersson, M. Ǻ.; Silva, P. I. M.; Petersson, E.; Höglund, E.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Applied Animal Behaviour Science, 2013, 144, 3/4, pp 163-170
Abstract

Author(s)
Mikheev, V. N.; Pasternak, A. F.
Publisher
MAIK Nauka/Interperiodica Publishing, Moscow, Russia
Citation
Doklady, Biological Sciences, 2010, 432, 1/6, pp 230-232
Abstract

The effect of chronic social stress on growth, energetic substrates and hormones was tested in rainbow trout, Oncorhynchus mykiss. After a 14-day isolation period, the fish were paired for 8 days. In order to expose fish to chronic intermittent social contact during pairing, they were maintained in ...

Author(s)
Fernandes-de-Castilho, M.; Pottinger, T. G.; Volpato, G. L.
Publisher
Elsevier Inc., San Diego, USA
Citation
General and Comparative Endocrinology, 2008, 155, 1, pp 141-147
Abstract

Little is known about the cognitive and subjective experiences of fish that are confined with conspecifics of varying body sizes. Plasma cortisol and several behavioural variables were recorded when a 'medium' sized fish had its familiar social group (comprised of medium, like-sized individuals)...

Author(s)
Yue, S.; Duncan, I. J. H.; Moccia, R. D.
Publisher
Springer Science + Business Media, Dordrecht, Netherlands
Citation
Environmental Biology of Fishes, 2006, 76, 2/4, pp 425-431
Abstract

To assess the effects of subordinate social status on digestive function, metabolism, and enzyme activity in salmonid fish, juvenile rainbow trout Oncorhynchus mykiss were paired with size-matched conspecifics (<1.5% difference in fork length) for 5 d. Fish that were fasted for 5 d and fish...

Author(s)
DiBattista, J. D.; Levesque, H. M.; Moon, T. W.; Gilmour, K. M.
Publisher
University of Chicago Press, Chicago, USA
Citation
Physiological and Biochemical Zoology, 2006, 79, 4, pp 675-687
Abstract

Individuals of rainbow trout Oncorhynchus mykiss with a low cortisol response to stress showed higher locomotor activity compared to individuals with a high cortisol response.

Author(s)
Schjolden, J.; Pulman, K. G. T.; Pottinger, T. G.; Metcalfe, N. B.; Winberg, S.
Publisher
Blackwell Publishing, Oxford, UK
Citation
Journal of Fish Biology, 2006, 68, 3, pp 920-924
Abstract

Monoaminergic systems play a crucial role in linking behaviour and physiology. Here the physiological and behavioural effects of metal exposure in relation to monoaminergic systems were considered by exposing rainbow trout dyads, demonstrating stable dominance relationships, to cadmium or lead....

Author(s)
Sloman, K. A.; Lepage, O.; Rogers, J. T.; Wood, C. M.; Winberg, S.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Aquatic Toxicology, 2005, 71, 3, pp 237-247
Abstract

In salmonid fishes there are indications that socially subordinate individuals avoid competition with larger, dominant fish by adjusting daily feeding and activity cycles. As in other vertebrates, the pineal organ and its hormone melatonin act as synchronizers of daily rhythms to the external...

Author(s)
Larson, E. T.; Winberg, S.; Mayer, I.; Lepage, O.; Summers, C. H.; Øverli, Ø.
Publisher
Elsevier Science, San Diego, USA
Citation
General and Comparative Endocrinology, 2004, 136, 3, pp 322-327

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