Papers by Tore S Kristiansen
New Zealand Journal of Marine and Freshwater Research, 2009
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Aquaculture, 2005
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Aquaculture, 2010
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Aquaculture International, 2010
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Animal Cognition, 2012
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Fish physiology and …, 2012
Behaviour represents a reaction to the environment as fish perceive it and is therefore a key ele... more Behaviour represents a reaction to the environment as fish perceive it and is therefore a key element of fish welfare. This review summarises the main findings on how behavioural changes have been used to assess welfare in farmed fish, using both functional and feeling-based approaches. Changes in foraging behaviour, ventilatory activity, aggression, individual and group swimming behaviour, stereotypic and abnormal behaviour have been linked with acute and chronic stressors in aquaculture and can therefore be regarded as likely indicators of poor welfare. On the contrary, measurements of exploratory behaviour, feed anticipatory activity and reward-related operant behaviour are beginning to be considered as indicators of positive emotions and welfare in fish. Despite the lack of scientific agreement about the existence of sentience in fish, the possibility that they are capable of both positive and negative emotions may contribute to the development of new strategies (e.g. environmen...
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Papers by Tore S Kristiansen