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Abstract
Female birds deposit significant amounts of steroid hormones into the yolks of their eggs. Studies have demonstrated that these hormones, particularly androgens, affect nestling growth and development. In order to measure androgen concentrations in avian egg yolks, most authors follow the extraction methods outlined by Schwabl (1993. Proc. Nat. Acad. Sci. USA 90:11446-11450). We describe a simplified method for extracting androgens from avian egg yolks. Our method, which has been validated through recovery and linearity experiments, consists of a single ethanol precipitation that produces substantially higher recoveries than those reported by Schwabl.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A simplified method for extracting androgens from avian egg yolks |
| Series title | Zoo Biology |
| Volume | 28 |
| Issue | 2 |
| Year Published | 2009 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 137-143 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Zoo Biology |
| First page | 137 |
| Last page | 143 |
| Google Analytic Metrics | Metrics page |