Behavioural Differences in Brown-Norway and Wild-Type Rats Maintained in Standard or Enriched Environment in Response to Novelty in a Familiarised EnvironmentReport as inadecuate




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Maintaininganimals in an enriched environment may have different effects on animalsdepending on their background. Wild-type rats, such as WWCPS Warsaw WildCaptive Pisula Stryjek rats, are at an early stage of adaptation to laboratoryconditions, and we can hypothesise that enriched laboratory environmentprovides them with conditions much closer to a natural habitat than standardlaboratory cages. The WWCPS rats responded to novelty by orienting theirbehaviour towards the source of change, followed by rapid habituation of thatresponse. The laboratory rats responded similarly to WWCPS rats immediatelyafter the change, but their increased activity in that section of theexperimental cage was not subjected to habituation. We propose, that foranimals at early stages of domestication, information-seeking is more importantin the regulation of their behaviour than it is for fully domesticated animals.In the latter, it is the stimulus-seeking that dominates behaviour regulation. Laboratory rats, and WWCPS rats showeddifferent profiles of response to maintaining in the enriched laboratoryconditions.

KEYWORDS

Domestication, Stimulus Seeking, Information Seeking, Environmental Enrichment, Rat Behavior, Wild-Type Rat, Laboratory Rat, WWCPS

Cite this paper

Pisula, W. , Modlinska, K. , Chrzanowska, A. & Stryjek, R. 2015. Behavioural Differences in Brown-Norway and Wild-Type Rats Maintained in Standard or Enriched Environment in Response to Novelty in a Familiarised Environment. Psychology, 6, 251-262. doi: 10.4236-psych.2015.63025.





Author: Wojciech Pisula*, Klaudia Modlinska, Anna Chrzanowska, Rafał Stryjek

Source: http://www.scirp.org/



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