Self-grooming induced by sexual chemical signals in male root voles (Microtus oeconomus Pallas)

Behavioural Processes
Honghao YuXinquan Zhao

Abstract

Sniffing is one-way animals collect chemical signals, and many males self-groom when they encounter the odor of opposite-sex conspecifics. We tested the hypothesis that sexual chemical signals from females can induce self-grooming behavior in male root voles (Microtus oeconomus Pallas). Specifically, we investigated the sniffing pattern of male root voles in response to odors from the head, trunk, and tail areas of lactating and non-lactating females. The self-grooming behavior of males in response to female individual odorant stimuli was documented, and the relationship between self-grooming and sniffing of odors from the head, trunk, and tails areas were analyzed. Sniffing pattern results showed that males are most interested in odors from the head area, and more interested in odors from the tail as compared to the trunk area. Males displayed different sniffing and self-grooming behaviors when they were exposed to odors from lactating females as compared to non-lactating females. Males also spent more time sniffing and engaged in more sniffing behaviors in response to odors from the lactating females' tail area as compared to the same odors from non-lactating females. Similarly, males spent more time self-grooming and engaged...Continue Reading

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Citations

Apr 30, 2013·Psychopharmacology·Federica CalcagnoliJaap M Koolhaas
Jun 27, 2017·Journal of Neuroscience Methods·Bastijn J G van den BoomIngo Willuhn
Jul 3, 2021·Animals : an Open Access Journal From MDPI·Olga V GvozdevaEkaterina A Litvinova

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