Measurement of Corticosterone Metabolites in Birds' Droppings: An Analytical Approach
- 1 June 2005
- journal article
- review article
- Published by Wiley in Annals of the New York Academy of Sciences
- Vol. 1046 (1) , 17-34
- https://doi.org/10.1196/annals.1343.004
Abstract
Fecal steroid analyses are becoming increasingly popular among both field and laboratory scientists. The benefits associated with sampling procedures that do not require restraint, anesthesia, and blood collection include less risk to subject and investigator, as well as the potential to obtain endocrine profiles that are not influenced by the sampling procedure itself. In the feces, a species-specific pattern of metabolites is present, because glucocorticoids are extensively metabolized. Therefore, selection of adequate extraction procedures and immunoassays for measuring the relevant metabolites is a serious issue. In this review, emphasis is placed on the establishment and analytical validation of methods to measure glucocorticoid metabolites for a noninvasive evaluation of adrenocortical activity in droppings of birds.Keywords
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