Fecal steroid research in the field and laboratory: Improved methods for storage, transport, processing, and analysis

Article Abstract:

Methodology developed or adapted at the Wisconsin National Primate Research Center, and the factors involved in preparing fecal samples for steroid analysis are described and information on steps involved in extracting and purifying steroids from feces for measurement are provided. The different processes involved in isolating and measuring fecal steroids would enable investigators to understand the components necessary to ensure accurate and reliable results.

Wisconsin, Feces

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Coming of age: Steroid hormones of wild immature Baboons (Papio cynocephalus)

Article Abstract:

Analysis of steroid profiles for a wild population of baboons from infancy through reproductive maturation, obtained by noninvasive fecal analyses, was presented. Results demonstrate the presence of individual endocrine variability, which could have important consequences for the timing of sexual maturation and subsequently for individual reproductive success.

Behavior, Genetic aspects, Animal reproduction

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Life-History correlates of steroid concentrations in wild peripartum baboons

Article Abstract:

The relationships in a wild primate population through the use of fecal steroid analysis in repeated sampling of peripartum baboons is studied. The findings illustrate the potential power of repeated fecal-steroid sampling to elucidate mechanisms of life-history variability in natural populations.

United States, Primates, Stool specimen analysis

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