NDLI: Behavioral response of Norway rats (Rattus norvegicus) to odors of different mammalian species

Content Provider	Springer Nature Link
Author	Yin, Baofa Fan, Hongmei Li, Shiping Hegab, Ibrahim Lu, Guangyu Wei, Wanhong
Copyright Year	2011
Abstract	Behavioral responses to the odors of three predators of rodents (domestic cat (Felis catus), weasel (Mustela sibirica), Eurasian badger (Meles meles)), one non-predator mammal (rabbit (Lepus capensis)), and distilled water (control) were assessed in three types of Norway rats (Rattus norvegicus): wild (WNRs), domestic (DNRs), and albino laboratory Wistar (AWRs). Rats were taken individually to a testing apparatus consisting of a hide box and a testing arena. The behavioral activities, including concealing, heading out, approaching, and feeding behaviors in each trial were videotaped for 3 h. Results revealed that WNRs, DNRs, and AWRs all showed an aversion to the predator odors by spending more time concealing in the hide box: frequencies of approaching and feeding behaviors, as well as the amount of food intake were significantly lower than control group. Our results suggest that the response of DNRs and AWRs were “built-in” or innate in nature as they had never experienced the odors of the tested predators. Moreover, all three types of rats can distinguish between predator and non-predator odors, but the ability of WNRs was the highest, which can distinguish between sympatric and allopatric predators, while the ability of AWRs was the lowest, which spent most time in the hide box. The concealing and approaching behaviors were no significantly different among the five odor exposure groups. Also, the reactions of the three types of rats toward the control group (distilled water) significantly differ. This suggests that the duration of time spent in captivity plays an important role in shaping the response of rats to different predator odors.
Starting Page	265
Ending Page	272
Page Count	8
File Format	PDF
ISSN	16124758
Journal	Journal of Pest Science
Volume Number	84
Issue Number	3
e-ISSN	16124766
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-03-22
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Rattus norvegicus Predator odor aversion Behavioral responses Captivity Meles meles Plant Sciences Plant Pathology Agriculture Forestry Ecology Entomology
Content Type	Text
Resource Type	Article
Subject	Ecology Plant Science Ecology, Evolution, Behavior and Systematics Insect Science Agronomy and Crop Science

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