The proportion of pairs producing a litter within 60 days was influenced significantly by the age at pairing. Females brooded pups more frequently than...Selection to obtain mating opportunities is hypothesized to be a major factor in dispersal. Contact Us.
Females show an increased preference for male odors as they mature, but no study has examined whether change with age is seen in males. Social rodents are hypothesized to use more olfactory cues than nonsocial rodents to distinguish males from females. However, whether this approach is effective within the two most common instructional models of undergraduate science laboratories -- expository, which confirms predetermined outcomes, and inquir...Human development is changing the landscape in many ways that affect the distribution of wild species of mammals. More voles paired at 31 days of age produced litters than those paired at 21 days of age. Join to Connect. Retrieval tests were used to examine preference for own versus conspecific pups by inbred and outbred rats.
View the profiles of professionals named "Nancy Solomon" on LinkedIn. We examined movement...Recent discoveries of single-gene influences on social behaviour have generated a great deal of interest in the proximate mechanisms underlying the expression of complex behaviours.
Fewer studies have emphasized the relative contributions to care of offspring by mothers and non-breeding alloparents in sin...The physiological state of an animal may have a significant impact on its reproductive success because individuals in good body condition are generally considered to be competitively superior to individuals in poor body condition.
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In this study, we examine the range-wide population genetic structure of the prairie vole, Microtus ochrogaster (n = 170). Many studies have focused on the functional significance of reproductive suppression, but further investigation of the mechanisms involved is required for a complete understanding of this process.
There are two alternative hypotheses to explain the effect of the length of time since pair bond disruption on subsequent reproduction. Previously, we observed that prairie vole pups reared in groups containing two or more breeding females (plurally breeding groups) gained significantly more body mass than did pups reared by solitary mothers, but not more than pups reared in groups containing only...Intrasexual selection can occur through direct aggressive interactions between males for access to females. Report this profile; Activity. We examined allelic polymorphism at microsatellite loci to assess mating exclusivity in wild prairie voles sa...A comparison of male and female parental investment patterns is needed before predictions can be generated from parental investment theory.
In a previous laboratory study, female prairie voles (Microtus ochrogaster) showed significant social and sexual preferences for males with longer microsatellite DNA within the avpr1a gene encoding the vasopressin 1a receptor, as predicted if females sele...Most of our understanding of rodent sociality comes from studies of species from the northern temperate zone with a few exceptions.
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