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| Content Provider | Springer Nature Link |
|---|---|
| Author | Alba, elia Santiago Quesada, Francisco Villegas, Auxiliadora Sánchez Guzmán, Juan M. Masero, José A. |
| Copyright Year | 2015 |
| Abstract | The study of variations in plasma metabolite profiles has emerged as a useful physiological tool to assess fuel deposition rates from a single blood sample. Diet may be a key factor in the study of refueling patterns in long-distance migratory birds, but the potential confounding effect of diet on the conclusions drawn from plasma metabolites has rarely been considered. Here, we assessed whether plasma metabolite levels correlate with the weekly increase in body mass of migrating Black-tailed Godwits Limosa limosa, a medium–large shorebird, feeding on two natural diets (insectivorous vs. granivorous) during the refueling period. We found that glycerol and triglycerides successfully explained the weekly natural change in body mass of Black-tailed Godwits. Although the diet type contributed to the change in body mass, all interactions between plasma metabolites and diet treatment were non-significant. Our results support the use of plasma metabolite profiling to predict body mass changes on a long-term (weekly) scale in medium–large birds. Plasma-Metaboliten korrelieren mit wöchentlichen Körpermasse-Änderungen bei ziehenden Uferschnepfen ( Limosa limosa ) mit unterschiedlicher Ernährung Die Untersuchung von Unterschieden in den Profilen von Plasma-Metaboliten ist inzwischen ein nützliches physiologisches Werkzeug, um die Füllung der Energiespeicher aus einer einzigen Blutprobe abzuschätzen. Ernährung könnte ein Schlüsselfaktor sein in der Untersuchung von Mustern der Zwischenstopps für die Nahrungsaufnahme bei Langstreckenziehern, aber die möglichen Effekte der Ernährung auf die Schlussfolgerungen, die aus der Messung der Plasma-Metaboliten gezogen werden, wurde selten in Erwägung gezogen. Hier untersuchen wir, ob Plasma-Metabolitlevel mit der wöchentlichen Gewichtszunahme ziehender Uferschnepfen korrelieren, einer mittelgroßen Limikolenart, die sich auf Zwischenstopps entweder von Insekten oder von Körnern und Samen ernähren. Wir fanden, dass Plasma-Glycerin und Plasma-Triglyceride die natürliche wöchentliche Änderung im Körpergewicht von Uferschnepfen erfolgreich erklärten. Die Ernährungsweise hatte einen Einfluss auf die Änderung der Körpermasse bei Uferschnepfen, aber alle Interaktionen zwischen Plasma-Metaboliten und Ernährung waren nicht signifikant. Unsere Ergebnisse unterstützen den Einsatz des Plasma-Metabolit Profiling, um Änderungen des Körpergewichts bei mittelgroßen Vögeln in einem längeren Zeitraum (Woche) vorauszusagen. |
| Starting Page | 201 |
| Ending Page | 207 |
| Page Count | 7 |
| File Format | |
| ISSN | 21937192 |
| Journal | Journal für Ornithologie |
| Volume Number | 157 |
| Issue Number | 1 |
| e-ISSN | 21937206 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2015-07-14 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | Black-tailed Godwits Body mass change Diet Migration Plasma metabolites Shorebirds Zoology Ecology Fish & Wildlife Biology & Management |
| Content Type | Text |
| Resource Type | Article |
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