Aged Black-and-Gold Howler Monkey Female (Alouatta caraya): A Sign of Reproductive Senescence?
Raño M, Valeggia C, Kowalewski M. Aged Black-and-Gold Howler Monkey Female (Alouatta caraya): A Sign of Reproductive Senescence? Folia Primatologica 2018, 89: 101-110. PMID: 29514149, DOI: 10.1159/000485975.Peer-Reviewed Original ResearchConceptsHormone profilesOld femaleSex hormone profileReproductive hormone profilesOvarian functionEstrone conjugatesHormone valuesProgesterone metabolitesHormonal profileOvarian senescenceReproductive hormonesFemale monkeysHormonal eventsLarger studyEnzyme immunoassayNonhuman primatesCycling femalesAcyclic levelsAged blacksFemalesReproductive senescenceSociosexual behaviorSignsSame populationPopulation