Seasonal variations of fecal progesterone and 17beta-estradiol in captive female black-handed spider monkeys (Ateles geoffroyi).

@article{CerdaMolina2006SeasonalVO,
  title={Seasonal variations of fecal progesterone and 17beta-estradiol in captive female black-handed spider monkeys (Ateles geoffroyi).},
  author={Ana Lilia Cerda-Molina and Leonor Hern{\'a}ndez-L{\'o}pez and Denisse L P{\'a}ez-Ponce and Susana Rojas-Maya and Ricardo Mondrag{\'o}n-Ceballos},
  journal={Theriogenology},
  year={2006},
  volume={66 8},
  pages={1985-93}
}
A number of studies in free-ranging and captive spider monkeys (Ateles spp.) have shown that this genus is able to reproduce throughout the entire year. Nonetheless, it is still controversial whether births, and therefore conceptions, tend to be more frequent during certain seasons. In the present study, we monitored changes in fecal 17beta-estradiol and progesterone for approximately 1 years in five female black-handed spider monkeys (Ateles geoffroyi) kept in captivity in Mexico City. The… CONTINUE READING