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dc.contributor.author
Fluck, Werner Thomas
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dc.contributor.author
Smith Fluck, Jo Anne M.
dc.date.available
2015-12-18T19:43:17Z
dc.date.issued
2013-04
dc.identifier.citation
Fluck, Werner Thomas; Smith Fluck, Jo Anne M.; Severe dental fluorosis in juvenile deer linked to a recent volcanic eruption in Patagonia; Wildlife Disease Association; Journal of Wildlife Diseases; 49; 2; 4-2013; 355-366
dc.identifier.issn
0090-3558
dc.identifier.uri
http://hdl.handle.net/11336/3070
dc.description.abstract
The Puyehue-Cordon Caulle volcanic eruption deposited large amounts of tephra (ashes) on about 36 million ha of Argentina in June of 2011. Tephra was considered chemically innoxious based on water leachates, surface water fluoride levels were determined to be safe, and livestock losses were attributable to inanition and excessive tooth wear. To evaluate effects on wild ungulates, we sampled wild red deer (Cervus elaphus) at 100 km from the volcano in September-November 2012. We show that tephra caused severe dental fluorosis, with bone fluoride levels up to 5, 175 ppm. Among subadults, tephra caused pathologic development of newly emerging teeth typical of fluorosis, including enamel hypoplasia, breakages, pitting, mottling, and extremely rapid ablation of entire crowns down to underlying pulp cavities. The loss of teeth functionality affected physical condition, and none of the subadults was able to conceive. Susceptibility to fluorosis among these herbivores likely resides in ruminant food processing: 1) mastication and tephra size reduction, 2) thorough and repeated mixing with alkaline saliva, 3) water-soluble extraction in the rumen, and 4) extraction in the acidic abomasum. Although initial analyses of water and tephra were interpreted not to present a concern, ruminants as a major component of this ecosystem are shown to be highly susceptible to fluorosis, with average bone level increasing over 38-fold during the first 15.5 mo of exposure to tephra. This is the first report of fluorosis in wild ungulates from a volcanic eruption. The described impact will reverberate through several aspects of the ecology of the deer, including effects on population dynamics, morbidity, predation susceptibility, and other components of the ecosystem such as scavenger and plant communities. We anticipate further impact on livestock production systems, yet until now, existence of fluorosis had not been recognized.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wildlife Disease Association
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CERVIDS
dc.subject
CERVUS ELAPHUS
dc.subject
DENTAL FLUOROSIS
dc.subject
FLUORIDE
dc.subject
PATHOLOGY
dc.subject
TEETH
dc.subject
TEPHRA
dc.subject
VOLCANIC ERUPTION
dc.subject.classification
Vulcanología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.subject.classification
Zoología, Ornitología, Entomología, Etología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Severe dental fluorosis in juvenile deer linked to a recent volcanic eruption in Patagonia
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
49
dc.journal.number
2
dc.journal.pagination
355-366
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Washington
dc.description.fil
Fil: Fluck, Werner Thomas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata; Argentina. DeerLab; Argentina. Universidad de Basilea; Suiza
dc.description.fil
Fil: Smith Fluck, Jo Anne M.. DeerLab; Argentina
dc.journal.title
Journal of Wildlife Diseases
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.bioone.org/doi/10.7589/2012-11-272?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%3dpubmed
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.7589/2012-11-272
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