ENDOCRINE MONITORING OF WILD PRIMATES

该子项目是利用NIH/NCRR资助的中心赠款提供的资源的许多研究子项目之一。子项目和研究者（PI）可能从另一个NIH来源获得主要资金，因此可以在其他CRISP条目中表示。所列机构为中心，不一定是研究者所在机构。在野外条件下获得濒危灵长类动物的重要生殖数据。 对于muriqui（Brachyteles hypoxanthus），Strier和齐格勒研究了繁殖季节与卵巢周期开始的时间。我们发现早期受孕与雄激素和雌二醇水平有关。早期受孕与较低的雄激素水平和较高的雌二醇水平，然后在女性谁没有怀孕。Fedigan和齐格勒发现白脸卷尾猴（Cebus capucinus）缺乏明显的排卵迹象。确定排卵时间的方法是有限的。对各组雄性的行为观察表明，卵巢状态的最佳指标是受孕期雄性亲和行为和性行为的两倍增加。古尔德和齐格勒发现，对于原猴亚目狐猴（Lemur catta）或环尾狐猴（ringtailed lemur）来说，生活在雄性数量较少的群体中的雄性比生活在密度较高的群体中的雄性表现出较低的皮质醇水平和攻击性。然而，在繁殖季节的竞争中，雄性环尾狐猴的皮质醇水平并没有显着升高。这些研究表明了在完全自由的条件下可以从非人灵长类动物中获得的内分泌数据的类型。本研究使用WNPRC Assay Services。注：Brachyteles hypoxanthus不包括在NCRR APR系统物种列表中。研究人员除了研究白脸卷尾猴外，还研究了白喉卷尾猴。这项工作使用了私人基金会的支持，在以前的进度报告中提到，也依赖于WNRPC分析服务。

This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. To obtain important reproductive data on endangered primates under field conditions. For the muriqui (Brachyteles hypoxanthus), Strier and Ziegler examined the timing of the breeding season with respect to the onset of ovarian cycling. We found that early conception was related to the amount of androgen and estradiol levels. Early conception was associated with lower androgen levels and higher estradiol levels then in females who did not conceive. Fedigan and Ziegler found for the white-faced capuchin (Cebus capucinus), there is a lack of overt signs of ovulation. A means to determine the timing of ovulation is limited. Behavioral observations on the males in the groups indicated that the best indicator of ovarian state was the two-fold increase in male affiliative and sexual behaviors during the conceptive phase. Gould and Ziegler found that for the prosimian, Lemur catta, or the ringtailed lemur that males who live in groups with fewer males show lower cortisol levels and aggression than males who live with a higher density. However, during breeding season competition, male ring tailed lemurs do not show significantly higher levels of cortisol. These studies indicate the type of endocrine data that can be obtained from nonhuman primates under totally free conditions. This research used WNPRC Assay Services. Note: Brachyteles hypoxanthus is not included on NCRR APR system species list. The investigators studied muriquis in addition to white-faced, or white-throated capuchins. This work used private foundation support, mentioned in previous progress reports, and also relied on WNRPC Assay Services.