Influence of diet and stress on reproductive hormones in Nigerian olive baboons
General and Comparative Endocrinology, ISSN: 0016-6480, Vol: 191, Page: 146-154
2013
- 27Citations
- 68Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations27
- Citation Indexes27
- 27
- CrossRef18
- Captures68
- Readers68
- 68
Article Description
A female mammal’s reproductive function and output are limited by the energy she is able to extract from her environment. Previous studies of the interrelationships between energetic circumstances and reproductive function in a variety of mammal species have produced varied results, which do not all support the common assumption that higher female reproductive hormone levels, specifically progesterone, indicate better ovarian function and greater reproductive potential, and are associated with lower energetic stress. In the present study faecal progesterone and glucocorticoid levels were assessed in two troops of olive baboons ( Papio anubis ) in the same population. They face similar ecological challenges, except that one troop crop-raids, potentially affecting its energetic intake and stress levels. The energy intake of individual females was assessed by combining detailed feeding observations with nutritional analysis of food samples. The crop-raiding troop experienced 50% higher energy intake rates and 50% lower glucocorticoid levels compared to the non-crop-raiding troop alongside substantially lower progesterone levels. This suggests that energetic stress is associated with elevated progesterone levels and may be the cause of the non-crop-raiding troop’s lower reproductive output. By comparing groups which differ little, except in terms of food access, and also by directly assessing energy intake, our study addresses some of the design limitations of previous research investigating variation in progesterone levels and energetic stress. It therefore has the potential to contribute to greater understanding of the factors affecting differences in reproductive and stress hormone levels and reproductive function in mammals experiencing different energetic circumstances.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S001664801300292X; http://dx.doi.org/10.1016/j.ygcen.2013.06.016; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84880365437&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/23800561; https://linkinghub.elsevier.com/retrieve/pii/S001664801300292X; https://dx.doi.org/10.1016/j.ygcen.2013.06.016
Elsevier BV
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