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Título: | Pathogenic bacteria and timing of laying |
Autor: | Moller, Anders P.; Soler, Juan J.; Nielsen, Jan T.; Galván, Ismael CSIC ORCID | Palabras clave: | Accipiter gentilis Bacteria Goshawk Laying date Reproductive success |
Fecha de publicación: | 2015 | Editor: | John Wiley & Sons | Citación: | Ecology and Evoluion, 5 (8): 1676-1685 (2015) | Resumen: | Pathogenic bacteria constitute a serious threat to viability of many organisms. Because growth of most bacteria is favored by humid and warm environmental conditions, earlier reproducers in seasonal environments should suffer less from the negative consequences of pathogenic bacteria. These relationships, and the effects on reproductive success, should be particularly prominent in predators because they are frequently exposed to pathogenic microorganisms from sick prey. Here, we presented and tested this hypothesis by sampling bacteria on adult and nestling goshawks Accipiter gentilis. We predicted that early breeders and their offspring should have fewer bacteria than those reproducing later during the breeding season. Adult goshawks with a high abundance of Staphylococcus on their beak and claws were easier to capture and their laying date was delayed. Moreover, goshawks that laid their eggs later had offspring with more Staphylococcus on their beaks and claws. The strength of the association between laying date and bacterial density of nestlings was stronger during the warm spring of 2013, when nestlings suffered from a higher abundance of pathogenic bacteria. Hatching failure and fledging failure were more common in nests with a higher abundance of Staphylococcus independently of the number of years occupied, laying date, and age of the female nest owner. These findings imply that timing of reproduction may be under the influence of pathogenic bacteria. Because early breeding goshawks produce more recruits than later breeders, our results suggest a role for pathogenic bacteria in the optimal timing of reproduction | Versión del editor: | http://dx.doi.org/ 10.1002/ece3.1473 | URI: | http://hdl.handle.net/10261/114777 | DOI: | 10.1002/ece3.1473 |
Aparece en las colecciones: | (EBD) Artículos |
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Galvan, 2015.pdf | 199,82 kB | Adobe PDF | Visualizar/Abrir |
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