Blar i forfatter "Skagen, Bjørn"
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The role of ultrasonic vocalizations in the formation of rat groups in a semi-natural environment
Skagen, Bjørn (Master thesis; Mastergradsoppgave, 2018-05-03)This study investigated if ultrasonic vocalizations (USV) had an effect on the formation of groups of rats in a semi-natural setting that allowed the rats to live closer to their natural state in the wild. This was done by letting four groups of rats into a semi-natural environment. Where prior to release into the environment, all the rats received surgery. Where some of the rats had the nerve to ...