MF magnitude does not affect body condition, pro-oxidants and anti-oxidants in Eurasian kestrel ( Falco tinnunculus) nestlings

Pylons of utility lines are commonly used by breeding birds as structures for supporting their nests. Nesting near power lines, however, exposes adult birds and their offspring to the electric and magnetic fields (EMFs) produced by the current. Therefore, we searched for possible relationships betwe...

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Bibliographic Details
Published in:Environmental research 2007-07, Vol.104 (3), p.361-366
Main Authors: Costantini, David, Casagrande, Stefania, Dell’Omo, Giacomo
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Animals
Antioxidants - metabolism
Applied ecology
Aves
Biological and medical sciences
Carotenoids
Carotenoids - blood
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
EMFs
Falco tinnunculus
Falconiformes - blood
Falconiformes - growth & development
Falconiformes - metabolism
Free radicals
Fundamental and applied biological sciences. Psychology
Magnetics - adverse effects
Oxidative stress
Oxidative Stress - radiation effects
Power lines
Radiation Monitoring - methods
Reactive Oxygen Species - blood
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Summary:Pylons of utility lines are commonly used by breeding birds as structures for supporting their nests. Nesting near power lines, however, exposes adult birds and their offspring to the electric and magnetic fields (EMFs) produced by the current. Therefore, we searched for possible relationships between the magnetic field (MF) magnitude experienced by wild kestrel ( Falco tinnunculus) nestlings grown on pylons and different health-related variables: body condition, serum concentration of carotenoids, reactive oxygen metabolites (ROMs; marker of early oxidative damage), serum anti-oxidant capacity (OXY), and the ratio between ROMs and OXY (index of oxidative stress). No significant relationships were found between the MF magnitude or squared MFs and any of the variables considered. Comparisons with values recorded in nestlings from non-exposed nests seem to confirm the absence of any effect of exposure to MFs produced by power lines on the variables considered.
ISSN:0013-9351
1096-0953
DOI:10.1016/j.envres.2007.02.006