Ovarian function in captive owl monkeys (Aotus nancymaae and A. vociferans)

Pedro Mayor, Rafaela S.C. Takeshita, Leandro Nassar Coutinho, Nofre Sánchez, Hugo Gálvez, Carlos Ique, Frederico Ozanan Barros Monteiro

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)


© 2015 John Wiley & Sons A/S. Background: Ovarian function and morphology of owl monkeys (Aotus spp.) is inadequately known, but it is essential to describe this organ in detail to better understand reproductive patterns of the species. Methods: This study reports the anatomical and histological features of the ovaries from 41 owl monkeys, considering their reproductive status and parity. Results: The corpora lutea (CL) and reproductive state had a significant effect on ovarian volume. Follicles were observed in both pregnant and non-pregnant subjects. All females in the luteal phase and pregnant females showed at least one cyclic or pregnancy CL. Mean ovulation rate was 1.89 CL/female, and the mean ovum mortality was 37.5%. There were no significant differences in ovarian volume related to parity. Conclusions: These results contribute to the scarce information available on the reproductive biology of owl monkeys and can aid in the development of biotechnologies involved in assisted reproduction.
Original languageEnglish
Pages (from-to)187-193
JournalJournal of Medical Primatology
Issue number4
Publication statusPublished - 1 Jan 2015


  • Aotus
  • Morphology
  • Ovaries
  • Owl monkey
  • Reproduction

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