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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Veterinary Parasitol...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Veterinary Parasitology Regional Studies and Reports
Article . 2016 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Amblyomma sculptum (Amblyomma cajennense complex) tick population maintained solely by domestic pigs

Authors: Carolina Fonseca Osava; Vanessa do Nascimento Ramos; Alessandra Castro Rodrigues; Hugo Vilela dos Reis Neto; Maria Marlene Martins; Jamile Oliveira Pascoal; Jonny Yokosawa; +1 Authors

Amblyomma sculptum (Amblyomma cajennense complex) tick population maintained solely by domestic pigs

Abstract

In Brazil Amblyomma sculptum from Amblyomma cajennense complex is a tick species with a rather broad distribution encompassing the Cerrado Biome and devastated areas of the Atlantic rainforest. This species is also the major vector to humans of Rickettsia rickettsii, agent of the Brazilian spotted fever. Main primary hosts for the adult stage and frequently associated to high environmental infestation levels are the native capybaras and tapirs and a domestic host, the horse. Recent, however, solely circumstantial evidence, has shown that pigs (Sus scrofa) domestic, feral or exotic (wild boars) as well as wild suidae may maintain A. sculptum populations as well. We herein describe the maintenance of an A. sculptum tick population by domestic pigs for three years when raised in paddocks. Observations herein described occurred in the facilities of an intensive outdoor pig production system within a farm in Uberaba municipality southeast Brazil. Initial evaluation was done upon request due to human tick-bite complains in June 2013. Later tick infestations were evaluated at each of eight consecutive seasons from August 2014 to May 2016. In the first evaluation, 104 nymphs and one female A. sculptum were collected from four pigs and 269 nymphs of A. sculptum and 12 Amblyomma spp larva clusters from the paddocks. Only one A. sculptum nymph was found in each of the surrounding bovine pasture and a nearby riparian forest. Seven Rhipicephalus spp and three Amblyomma spp larva were found in the former as well. Infestations were greatly reduced with elimination of the two most infested paddocks and mowing of vegetation. Still along the inspection of eight consecutive seasons A sculptum ticks were collected overwhelmingly adults from pigs. Thus, observations herein described show that outdoor pig raising may provide both a permissive environment and adequate host allowing for a minimal threshold for the maintenance of A. sculptum populations. Since raising domestic pigs in paddocks to increase animal welfare is an increasing practice, it may indicate a new trend in this parasitism, with yet an unknown effect upon animal and human health.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
8
Top 10%
Average
Average
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