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- W2387024418 abstract "This study was aimed at determining how olfactory cues of mustelids affect the social behavior, foraging, reproduction and sexual hormones of root voles (Microtus oeconomus). We predicted that the presence of the odor from the main predator, the steppe polecat (Mustila eversmanni) would cause delayed breeding and changed mating behavior in root voles. We carried out the study from April to December 1997 using live-trapped voles and steppe polecats. We carrid out the experiment in two main arenas (size: 40 cm×40 cm×40 cm) for three days first and then in breeding cages for 15 days. The test subjects were 34 female-male pairs of voles, 17 experimental and 17 control. We examined the mating and foraging behavior (the frequency and amount of food eaten) in response to the diluted urine and feces filtration from the steppe polecat. During the study, we sprayed the sawdust in the experimental arenas with the predator odor daily. We sprayed the control arenas daily with distilled water. On the 18 th- day when the behavioral bioassay was completed, the voles were killed and weighted, and the reproductive stage of females, the weight of female ovaries, the number of embryos, the number of sperm, and the weight of the male testes and epididymis were measured. We found that the root voles delayed breeding and significantly lowered the frequency of copulation after being exposed to the predator odor. Comparing with the control, attacking behavior decreased whereas amicable interactions increased in both males and females. Females also significantly increased the level of general activity and frequency and time spent in investigation upon the presence of the steppe polecat odor. Also, the presence of the steppe polecat odor lowered the amount of food intake and body weight in the vole. The ovary index and litter weight decreased in females, whereas in males the sperm count in epididymis decreased significantly." @default.
- W2387024418 created "2016-06-24" @default.
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- W2387024418 date "2002-01-01" @default.
- W2387024418 modified "2023-09-25" @default.
- W2387024418 title "EFFECTS OF STEPPE POLECAT(MUSTELA EVERSMANNI) ODOR ON SOCIAL BEHAVIOUR AND BREEDING OF ROOT VOLES(MICROTUS OECONOMUS)" @default.
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