Experimental manipulation of temperature reduce ectoparasites in nests of blue tits (Cyanistes caeruleus)
Authors
Castaño Vázquez, Francisco; Martínez González, Francisco Javier; Lozano, Marco; Merino, SantiagoIdentifiers
Permanent link (URI): http://hdl.handle.net/10017/59100DOI: 10.1111/jav.01695
ISSN: 0908-8857
Date
2018Funders
Ministerio de Economía, Comercio y Empresa
Bibliographic citation
Journal of Avian Biology, 2018, v. 49: E01695, n. 8, p. 1-6
Keywords
blue titecto
parasites
mites
Protocalliphora
relative humidity
temperature
Project
info:eu-repo/grantAgreement/MINECO//CGL2015-67789 C2-1-P/ES/
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Rights
© The Authors
Attribution 4.0 International (CC BY 4.0)
Access rights
info:eu-repo/semantics/openAccess
Abstract
Several models predict changes in the distributions and incidences of diseases associated with climate change. However, studies that investigate how microclimatic changes may affect host?parasite relationships are scarce. Here, we experimentally increased the temperature in blue tit Cyanistes caeruleus nest boxes during their breeding season to determine its effects on the parasitic abundance (i.e. of nestdwelling ectoparasites, blood-sucking flying insects and hemoparasites) in nests and the host condition of nestlings and adults. The temperature was increased using heat mats placed underneath the nest material, which resulted in an average temperature increase of 3ºC and a reduction in relative humidity of about six units. The abundance of mites Dermanyssus gallinoides and blowfly pupae Protocalliphora azurea was significantly reduced in heated nest boxes. Although not statistically significant, a lower prevalence of flea larvae Ceratophyllus gallinae was also found in heated nests. However, heat treatment did not affect hemoparasite infection of adult blue tits or the body condition of adult and nestling blue tits. In conclusion, heat treatment in blue tit nests reduced nest-dwelling ectoparasites yet without any apparent benefit for the host.
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