Assertion: rat's male | /r/HasProperty | studied in captivity
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Source sentences:
text: High-density male-male competition: Socially dominant males within the male mating group may still have an edge over their peers because dominant males (studied in captivity) achieve more ejaculations and continue mating with individual females longer than other males in the group, thereby increasing the length of postcopulatory intervals following their ejaculations; both factors contribute to fertilization suggesting that male rank is correlated with reproductive success (Thor & Carr, 1979, after Moore 1999).