Diagnostic challenges and the unwritten stories of dog and cat parasites

Otranto, Domenico

doi:10.1016/j.vetpar.2015.06.002

Cited by 35 publications

(24 citation statements)

References 89 publications

(93 reference statements)

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“…Se debe mencionar que para aumentar la sensibilidad de los exámenes coproparasitarios es deseable tomar tres muestras por animal, debido a la liberación intermitente de formas parasitarias diagnósticas (Otranto, 2015), lo que en este estudio no fue posible de efectuar. Interesante fue el hallazgo de larvas rabditoides de S. stercoralis en esta población, debido a que este helminto se relaciona principalmente con caninos inmunosuprimidos (Cervone et al, 2016) y personas de la misma condición aunado a malas condiciones higiénicas (Stepek et al, 2006), situación observada en algunas viviendas del presente estudio.…”

Section: Discussionunclassified

Fauna parasitaria en caninos (Canis lupus familiaris) de un sector rural de la región central de Chile

Opazo¹,

Barrientos²,

Sanhueza³

et al. 2019

Rev. investig. vet. Perú

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El objetivo de este trabajo fue determinar la presencia de ecto y endoparásitos en una población canina ubicada en un sector rural montañoso de la región de Valparaíso, Chile. Treinta caninos fueron sometidos a inspección clínica para recolectar ectoparásitos y heces del recto. Las muestras de heces fueron analizadas mediante la técnica coproparasitaria de Burrows y el Test SNAP® Giardia (IDEXX). El 73% de los caninos presentaron endoparasitismo a la técnica coproparasitaria. Se identificaron los helmintos Toxocara canis (40%), Strongyloides stercoralis (17%), Dipylidium caninum (17%), Uncinaria stenocephala (13%), Ancylostoma caninum (7%) Trichuris vulpis (3%), y los protozoos Isospora sp (13%), Sarcocystis sp (3%), Entamoeba coli (3%) y Blastocystis sp (3%). La prevalencia de Giardia sp fue de 17%, pero mediante el SNAP® Giardia fue de 27% (p=0.0004). Se encontraron garrapatas en 25 caninos (83%), identificándose las especies Rhipicephalus sanguineus y Amblyomma tigrinum. Así mismo, 10 caninos (33%) presentaron pulgas, identificándose las especies Ctenocephalides felis felis, Ctenocephalides canis y Pulex irritans.

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Section: Discussionunclassified

Fauna parasitaria en caninos (Canis lupus familiaris) de un sector rural de la región central de Chile

Opazo¹,

Barrientos²,

Sanhueza³

et al. 2019

Rev. investig. vet. Perú

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“…The diagnosis of many parasitic diseases relies on showing parasites in tissue samples and on standard tests, nevertheless there are still gaps in the diagnosis of well know parasites or even in distinguishing between species and subspecies [ 91] Table 2). …”

Section: The Potential Of Biosensors To Detect and Diagnose Parasitesmentioning

confidence: 99%

Sensing parasites: Proteomic and advanced bio-detection alternatives

Sánchez-Ovejero

Benito‐Lopez

Díez

et al. 2016

Journal of Proteomics

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Journal of Proteomics 136 : 145-156 (2016) This work is made available online in accordance with publisher policies. To see the final version of this work please visit the publisher's website. Access to the published online version may require a subscription. This review provides the most recent methodological and technological advances with great potential for bio-sensing parasites in their hosts, showing the newest opportunities offered by modern "-omics" and platforms for parasite detection and control. Link to publisher's version

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“…Adults of C. bainae parasitize the subcutaneous tissue of canine hosts, and microfilariae remain sequestered in the dermis, making detection of the parasite in infected dogs challenging [2]. Cercopithifilaria bainae is considered primarily non-pathogenic, but erythematous, papular and pruritic dermatitis, non-healing and ulcerative skin lesions, and subcutaneous nodules associated with infection have been reported [3][4][5]. One case of polyarthritis has also been documented [3].…”

Section: Introductionmentioning

confidence: 99%

Detection of Cercopithifilaria bainae infection in shelter dogs and ticks in Oklahoma, USA

et al. 2020

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Background: Cercopithifilaria bainae is a filarioid nematode of dogs. Infection with the parasite was not reported in the USA until 2017, when a dog with skin lesions in Florida was diagnosed. Brown dog ticks, Rhipicephalus sanguineus (sensu lato), are the purported tick vectors, and are widespread in the USA. Therefore, C. bainae is likely present in additional states. Here, we tested dogs and ticks in Oklahoma for evidence of C. bainae infection. Methods: Dermal punch biopsies were opportunistically collected from municipal shelter and client-owned dogs. Multiple skin samples collected from interscapular and head regions were tested by saline sedimentation to recover live microfilariae for morphometric identification and by PCR to amplify a 330 bp region of the filarioid 12S rRNA gene. Also, ticks observed on surveyed dogs were collected, identified to species level, and tested for filarioid DNA. Results: A total of 496 saline sedimentations were performed on 230 shelter and 20 client-owned dogs. Cercopithifilaria bainae infections were identified in 2.6% (6/230) of shelter dogs by morphometry of microfilariae in sedimentations and/or amplification of DNA from skin. DNA sequences amplified from PCR positive skin samples were 99-100% identical to C. bainae reported in Italy. All skin samples from client-owned dogs were negative for filarioid infection by saline sedimentation and PCR. A total of 112 ticks, comprised of four species, were collected. Two of 72 R. sanguineus (s.l.), both engorged females found attached to a C. bainae infected dog, harbored C. bainae DNA (99-100% identity). One attached R. sanguineus (s.l.) male on the same dog harbored filarioid DNA sequence which was difficult to interpret at numerous base-pair locations, but was closest in identity (~80%) to C. bainae. Conclusions: The distribution of C. bainae is more widespread than previously known. To our knowledge, we document C. bainae infections in dogs and DNA in brown dog ticks in Oklahoma for the first time. As brown dog ticks are commonly found throughout the USA, veterinarians in this region should consider C. bainae infection as a differential diagnosis in canine patients with dermatitis or polyarthritis.

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Diagnostic challenges and the unwritten stories of dog and cat parasites

Cited by 35 publications

References 89 publications

Fauna parasitaria en caninos (Canis lupus familiaris) de un sector rural de la región central de Chile

Fauna parasitaria en caninos (Canis lupus familiaris) de un sector rural de la región central de Chile

Sensing parasites: Proteomic and advanced bio-detection alternatives

Detection of Cercopithifilaria bainae infection in shelter dogs and ticks in Oklahoma, USA

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