Facultative promiscuity in a presumably monogamous mouse Apodemus microps

• Autorzy: Bryja J. , Stopka P.
• Języki publikacji: EN

Abstrakty

EN

Promiscuity and monogamy are two extremes of fitness optimisation. Direct evidence for both extremes is documented in numerous studies where a measure of promiscuity/monogamy is often the number of fathers in individual litters using, for example, fragment analysis of highly polymorphic microsatellite loci. In this study, five known polymorphic microsatellite loci were used to assess biological parentage of 174 embryos of 24 pregnant females from a natural Czech population of pygmy field-miceApodemus microps Kratochvíl et Rosický, 1952. The results revealed that the majority (67%) of litters were fathered by single males. However, there was a trend showing that the number of males successively (but not significantly) increased during the season, thus suggesting that monogamy in the pygmy field mouse is not obligatory but may depend on a population density and habitat type.

Słowa kluczowe

EN

facultative promiscuity; mating system; monogamy; pygmy field-mouse; Apodemus microps; multiple paternity

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 2005
• Tom: 50
• Numer: 2
• Opis fizyczny: p.189-196,fig.,ref.

Twórcy

autor

Bryja J.

• Academy of Sciences of the Czech Republic, 675 02, Studenec, Czech Republic

autor

Stopka P.

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