The ecology of tick-borne diseases

Pfäffle, M. P.; Littwin, Nina; Muders, Senta V.; Petney, Trevor N.

doi:10.1016/j.ijpara.2013.06.009

Cited by 240 publications

(187 citation statements)

References 272 publications

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“…In part, this can be explained by the environmental history of capture sites. The proximity of the capture sites in this locality with the agricultural fields could affect tick abundance, since this activity is negatively associated with questing tick and tick abundance in the host because it excludes the hosts of ticks and the loss of habitat for these (Pfäffle et al, 2013). In contrast, cattle practices in Xcampeu and high dog densities in Chiná, may have favored the abundance of ticks in opossums.…”

Section: Discussionmentioning

confidence: 99%

“…In contrast, cattle practices in Xcampeu and high dog densities in Chiná, may have favored the abundance of ticks in opossums. Nevertheless, it is important to mention that the environmental history is not sufficient to explain the observed pattern, since host-tick relationships are complex and depend on many local factors (microclimate, structure, and composition of vegetation and host community) (Pfäffle et al, 2013) and factors that occur at the landscape level (proportion of agricultural, livestock and vegetation areas, vegetation patch size, and connectivity with other patches) (Estrada-Peña and de la Fuente, 2014). The sex also influenced the abundance of ticks in opossums, being females the ones with the lower tick abundance.…”

Section: Discussionmentioning

confidence: 99%

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Infection of Anaplasma phagocytophilum and Ehrlichia spp. in Opossums and Dogs in Campeche, Mexico: The Role of Tick Infestation

2017

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In recent years, some tick-borne diseases such as anaplasmosis and ehrlichiosis became widespread worldwide, threatening the health of humans, domestic animals and wildlife. The aims of this study were to determine the presence of Anaplasma phagocytophilum, Ehrlichia canis, and Ehrlichia chaffeensis in 102 opossums (Didelphis spp.) and 44 owned free-ranging dogs in southeastern Mexico using a specific polymerase chain reaction (PCR). A. phagocytophilum was detected in opossums and dogs with a prevalence of 3 and 27%, respectively. E. canis was only present in 7% of dogs, while we didn't detect E. chaffeensis in any host. We report the first evidence of infections of A. phagocytophilum in Didelphis virginiana and D. marsupialis in Mexico. The infection rates and patterns we found of A. phagocytophilum suggest that dogs are more directly involved in the ecology of this pathogen than opossums. Despite the small prevalence found, our results are of public health concern because of the zoonotic capabilities of A. phagocytophilum, the high tick infestation rates found and because both opossums and free-ranging dogs can achieve high population densities in the region.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Infection of Anaplasma phagocytophilum and Ehrlichia spp. in Opossums and Dogs in Campeche, Mexico: The Role of Tick Infestation

2017

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“…The most commonly discussed reasons include the changing ecology of ticks (Medlock et al 2013;Pfaffle et al 2013;Foldvari et al 2016;Rubel et al 2016) and international travel or transport of infected animals (Hamel et al 2011). Both of these situations apply also for the Czech Republic (Kucera 1992;Svobodova and Svobodova 2004;Materna et al 2008).…”

Section: Discussionmentioning

confidence: 99%

Autochthonous Babesia canis, Hepatozoon canis and imported Babesia gibsoni infection in dogs in the Czech Republic

Mitková¹,

Hrazdilová²,

Novotná³

et al. 2017

Vet. Med. - Czech

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ABSTRACT:The epidemiology of tick-borne diseases as well as the ecology of the associated tick vectors is currently undergoing dynamic change. Canine babesiosis has, to date, only been reported in the Czech Republic as an imported disease, despite the presence of an established population of D. reticulatus in the South Moravian region. A recent report of autochthonous H. canis in dogs indicates that the spectrum of tick-borne diseases in dogs in the Czech Republic may be broader than previously expected and that a survey of a large set of dogs may be required. The aim of the present study was to survey the spectrum of tick-borne apicomplexan parasites infecting dogs in the Czech Republic and to assess the autochthonous character of detected infections. In the present study, we surveyed the spectrum of tick-borne protists in 418 dogs in the Czech Republic using PCR-based detection of the 18S rDNA gene of piroplasms and H. canis. We confirmed the presence of H. canis (4%), B. canis (1%, including the autochthonous cases) and a single imported case of B. gibsoni (0.2%) infection in sampled animals. Our results indicate that these pathogens deserve closer attention from veterinarian practitioners.

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“…This spillover into new host species is very hard to predict and might result in novel host species with a very high reservoir competence 322 . Within cities, deer might be present in city parks, while hedgehogs might take over the role of deer as maintenance hosts in gardens 75 . The release from predation has been suggested as the driver of increased hedgehog abundances in urban areas 323,324 .…”

Section: Tick-borne Disease Dynamics In the Anthropocenementioning

confidence: 99%

“…Although there have been several studies carried out on particular sites 72 or on various classes of vertebrates 73 , and some descriptive reviews have been published 62,74,75 , there is no quantitative review that integrates data on a host assemblage comprising a wide range of vertebrate species. Here, we used a data driven approach to quantify the contribution of various vertebrate host species to feeding I. ricinus ticks, and transmitting B. burgdorferi to feeding larvae, to infer a mechanism that could support the apparent increase in Lyme borreliosis incidence in Europe.…”

Section: Introductionmentioning

confidence: 99%

The wild life of tick-borne pathogens

Hofmeester

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The ecology of tick-borne diseases

Cited by 240 publications

References 272 publications

Infection of Anaplasma phagocytophilum and Ehrlichia spp. in Opossums and Dogs in Campeche, Mexico: The Role of Tick Infestation

Infection of Anaplasma phagocytophilum and Ehrlichia spp. in Opossums and Dogs in Campeche, Mexico: The Role of Tick Infestation

Autochthonous Babesia canis, Hepatozoon canis and imported Babesia gibsoni infection in dogs in the Czech Republic

The wild life of tick-borne pathogens

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