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THE INFLUENCE OF URINARY AND FECAL ODORS ON OVARIAN FUNCTION IN COEXISTING ACOMYS SPECIES
in Israel Journal of Ecology and EvolutionSearch for other papers by RUDI VAN AARDE in
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Search for other papers by ABRAHAM HAIM in
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Nocturnal golden spiny mice, Acomys russatus, become diurnal in the presence of congeneric common spiny mice, A. cahirinus, or to chemical signals released by them. Here we report on the influence of signals from fresh urine and feces released by A. cahirinus on aspects of the estrous cycle of A. russatus. The results of our study show that the length of the estrous cycle of A. russatus is not influenced by the presence of odors released from A. cahirinus. However, the frequency of occurrence of post-ovulatory increases in plasma progesterone concentrations suggests that the incidence of ovulation in A. russatus is affected by signals produced by the urine and feces of A. cahirinus. The mechanisms involved in the apparent suppression of ovulation or the formation of a functional corpus luteum require further investigation.
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Fluxman S., Haim A.Daily rhythms of body temperature in Acomys russatus. The response of chemical signals released by A. cahirinus Chronobiol. Int 1993 10 159 164
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Haim A., Fluxman S.Daily rhythms of metabolic rates: Role of chemical signals in coexistence of spiny mice of the genus Acomys J. Chem. Ecol 1996 22 223 229
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Haim A., Rozenfeld F.M.Temporal segregation in coexisting Acomys species: The role of odor Physiol. Behav 1993 54 1159 1161
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Haim A., Rozenfeld F.M.Temporal segregation in coexisting Acomys species: The possible role of nest site J. Arid Environ 1995 29 505 509
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McClintock M.K., Pheromonal regulation of the ovarian cycle: Enhancement, suppression and synchrony. Pheromones and reproduction in mammals Vandenbergh J.G.Academic Press New York 1983Chapter 5
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Pleitz B.The oestrous cycle of the spiny mouse (Acomys cahirinus) J. Reprod. Fertil 1981 61 452 459
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Shkolnik A.Diurnal activity in a small desert rodent Int. J. Biometeorol 1971 15 115 120
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Van Aarde R.J., Van Wyk V.Reproductive inhibition in the Cape porcupine, Hystrix africaeaustralis J. Reprod. Fertil 1991 92 13 19
| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 102 | 41 | 18 |
| Gesamttextansichten | 8 | 0 | 0 |
| PDF-Downloads | 6 | 0 | 0 |
THE INFLUENCE OF URINARY AND FECAL ODORS ON OVARIAN FUNCTION IN COEXISTING ACOMYS SPECIES
in Israel Journal of Ecology and EvolutionSearch for other papers by RUDI VAN AARDE in
Current site
Google Scholar
PubMed
Search for other papers by ABRAHAM HAIM in
Current site
Google Scholar
PubMed
Nocturnal golden spiny mice, Acomys russatus, become diurnal in the presence of congeneric common spiny mice, A. cahirinus, or to chemical signals released by them. Here we report on the influence of signals from fresh urine and feces released by A. cahirinus on aspects of the estrous cycle of A. russatus. The results of our study show that the length of the estrous cycle of A. russatus is not influenced by the presence of odors released from A. cahirinus. However, the frequency of occurrence of post-ovulatory increases in plasma progesterone concentrations suggests that the incidence of ovulation in A. russatus is affected by signals produced by the urine and feces of A. cahirinus. The mechanisms involved in the apparent suppression of ovulation or the formation of a functional corpus luteum require further investigation.
| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 102 | 41 | 18 |
| Gesamttextansichten | 8 | 0 | 0 |
| PDF-Downloads | 6 | 0 | 0 |
