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Extremely low-frequency electromagnetic fields disrupt magnetic alignment of ruminants
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SYSNO ASEP 0323772 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Extremely low-frequency electromagnetic fields disrupt magnetic alignment of ruminants Title Nízkofrekvenční elektromagnetická pole ruší magnetickou orientaci přežvýkavců Author(s) Burda, H. (DE)
Begall, S. (DE)
Červený, Jaroslav (UBO-W) RID
Neef, J. (DE)
Němec, P. (CZ)Source Title Proceedings of the National Academy of Sciences of the United States of America. - : National Academy of Sciences - ISSN 0027-8424
Roč. 106, č. 14 (2009), s. 5708-5713Number of pages 6 s. Language eng - English Country US - United States Keywords cattle ; magnetoreception ; roe deer ; power lines Subject RIV EH - Ecology, Behaviour R&D Projects LC06073 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z60930519 - UBO-W (2005-2011) UT WOS 000264967500047 DOI 10.1073/pnas.0811194106 Annotation Resting and grazing cattle and deer tend to align their body axes in the geomagnetic North-South direction. The mechanism(s) that underlie this behavior remain unknown. Here, we show that extremely low-frequency magnetic fields (ELFMFs) generated by high-voltage power lines disrupt alignment of the bodies of these animals with the geomagnetic field. Body orientation of cattle and roe deer was random on pastures under or near power lines. Moreover, cattle exposed to various magnetic fields directly beneath or in the vicinity of power lines trending in various magnetic directions exhibited distinct patterns of alignment. The disturbing effect of the ELFMFs on body alignment diminished with the distance from conductors. These findings constitute evidence for magnetic sensation in large mammals as well as evidence of an overt behavioral reaction to weak ELFMFs in vertebrates. The demonstrated reaction to weak ELFMFs implies effects at the cellular and molecular levels. Workplace Institute of Vertebrate Biology Contact Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Year of Publishing 2009
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