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Walter-Weingärtner J, Bergmann M, Hartmann K. [Overview on utility of in-house tests for detection of systemic infectious diseases in dogs]. TIERARZTLICHE PRAXIS. AUSGABE K, KLEINTIERE/HEIMTIERE 2024; 52:98-109. [PMID: 38701805 DOI: 10.1055/a-2289-1927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
For detection of infectious diseases, several point-of-care (POC) tests are on the market in addition to methods performed in commercial laboratories. These POC tests are based on enzyme-linked immunosorbent assay (ELISA) or other immunochromatographic technologies and present results within few minutes in veterinary practice. This article gives an overview of the utility of numerous POC tests of different manufacturers for detection of parvovirus antigen in feces, Dirofilaria (D.) immitis antigen in blood as well as antibodies against Borrelia (B.) burgdorferi, Anaplasma (A.) spp., Ehrlichia (E.) spp., Leptospira (L.) spp. and Leishmania (L.) infantum in blood (single or in different combinations). Sensitivity and specificity of these tests are important for their usefulness in veterinary practice. Furthermore, presence of antibodies or detection of antigen has to correlate with the presence of clinical signs. POC tests for detection of canine parvovirus antigen have a very high specificity, the sensitivity of all evaluated POC tests, however, is very low. POC tests for detection of D. immitis antigen have a very high sensitivity and specificity. As they detect antigen from the uterus of female adult parasites, test results are negative when only very few female or only male adults are present. POC tests for detection of antibodies against B. burgdorferi only indicate contact with Borrelia spp. and do not prove clinical Lyme disease, as the infection only extremely rarely causes clinical signs. POC tests for detection of antibodies against A. phagocytophilum are also not suitable for diagnosis of clinical anaplasmosis. Infections with A. phagocytophilum only lead to clinical disease in very rare cases and in these, clinical signs occur before the development of antibodies. POC tests for detection of antibodies against E. canis have a very high sensitivity as well as specificity. POC tests for detection of antibodies against L. infantum and Leptospira species (spp.) show a very high specificity and a high sensitivity. However, Leptospira spp. antibody-positive results may occur following vaccination, as the POC tests cannot distinguish between field and vaccination strains.
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Affiliation(s)
| | - Michèle Bergmann
- Medizinische Kleintierklinik, Ludwig-Maximilians-Universität München
| | - Katrin Hartmann
- Medizinische Kleintierklinik, Ludwig-Maximilians-Universität München
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Rojas A, Germitsch N, Oren S, Sazmand A, Deak G. Wildlife parasitology: sample collection and processing, diagnostic constraints, and methodological challenges in terrestrial carnivores. Parasit Vectors 2024; 17:127. [PMID: 38481271 PMCID: PMC10938792 DOI: 10.1186/s13071-024-06226-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 03/01/2024] [Indexed: 03/17/2024] Open
Abstract
Wild terrestrial carnivores play a crucial role as reservoir, maintenance, and spillover hosts for a wide parasite variety. They may harbor, shed, and transmit zoonotic parasites and parasites of veterinary importance for domestic hosts. Although wild carnivores are globally distributed and comprise many different species, some living in close proximity to human settlements, only a few studies have investigated parasites of wild terrestrial carnivores using non-specific techniques. Access to samples of wild carnivores may be challenging as some species are protected, and others are secretive, possibly explaining the data paucity. Considering the importance of wild carnivores' health and ecological role, combined with the lack of specific diagnostic methodologies, this review aims to offer an overview of the diagnostic methods for parasite investigation in wild terrestrial carnivores, providing the precise techniques for collection and analysis of fecal, blood, and tissue samples, the environmental impact on said samples, and the limitations researchers currently face in analyzing samples of wild terrestrial carnivores. In addition, this paper offers some crucial information on how different environmental factors affect parasite detection postmortem and how insects can be used to estimate the time of death with a specific highlight on insect larvae. The paper contains a literature review of available procedures and emphasizes the need for diagnostic method standardization in wild terrestrial carnivores.
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Affiliation(s)
- Alicia Rojas
- Laboratory of Helminthology, Faculty of Microbiology, University of Costa Rica, San José, 11501-2060, Costa Rica.
- Centro de Investigación en Enfermedades Tropicales, University of Costa Rica, San José, 11501-2060, Costa Rica.
| | - Nina Germitsch
- Pathology and Microbiology, Atlantic Veterinary College, University of Prince Edward Island, 550 University Ave, Charlottetown, PEI, C1A 4P3, Canada.
| | - Stephanie Oren
- Department of Anatomic Pathology, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 400372, Cluj-Napoca, Romania.
| | - Alireza Sazmand
- Department of Pathobiology, Faculty of Veterinary Medicine, Bu-Ali Sina University, Hamedan, 6517658978, Iran.
| | - Georgiana Deak
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 400372, Cluj-Napoca, Romania.
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Ferrara G, Brocherel G, Falorni B, Gori R, Pagnini U, Montagnaro S. A retrospective serosurvey of selected pathogens in red foxes (Vulpes vulpes) in the Tuscany region, Italy. Acta Vet Scand 2023; 65:35. [PMID: 37452391 PMCID: PMC10347719 DOI: 10.1186/s13028-023-00699-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023] Open
Abstract
The expansion of urbanization in natural environments increases interactions between wildlife, domestic animals, and humans. In Italy, the red fox (Vulpes vulpes) is one of the most common wild carnivores. This species can serve as a reservoir and sentinel host for several infectious diseases. We aimed to improve knowledge about the exposure of red foxes to selected zoonotic (Anaplasma spp, Ehrlichia spp., Borrelia spp., and hepatitis E virus) and carnivore-specific pathogens (canine parvovirus, canine distemper virus, pseudorabies virus, and Dirofilaria spp.) through a retrospective survey performed in the Tuscany region during the spring season of 2013. Using specific ELISAs and serum samples (n = 38) collected during a culling campaign, a prevalence of 2.6% for canine distemper virus, 18.4% for canine parvovirus, 5.2% for Anaplasma spp., 2.6% for Ehrlichia spp., 7.9% for Dirofilaria spp., 21.05% for hepatitis E virus, and 10.5% for pseudorabies virus was observed. Conversely, antibodies against Borrelia spp. were not identified in any of the animals. Our results revealed no significant sex-related differences in seroprevalence and confirmed hepatitis E virus as the most common pathogen in the analyzed samples. All of the animals that tested positive for tick-borne zoonotic agents presented ticks at the time of sampling. Our study confirms the exposure of red foxes in the Tuscany region to viral and bacterial infections raising medical and veterinary concern and indicating the need for large-scale surveillance to fully assess the epidemiological significance of these findings.
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Affiliation(s)
- Gianmarco Ferrara
- Department of Veterinary Medicine and Animal Production, University of Naples, via Delpino 1, Federico, Naples, 80137, II, Italy.
| | - Giuseppina Brocherel
- Istituto Zooprofilattico Sperimentale del Lazio e Della Toscana "M. Aleandri", Arezzo, 52100, Italy
| | - Beatrice Falorni
- Istituto Zooprofilattico Sperimentale del Lazio e Della Toscana "M. Aleandri", Arezzo, 52100, Italy
| | - Roberta Gori
- Istituto Zooprofilattico Sperimentale del Lazio e Della Toscana "M. Aleandri", Arezzo, 52100, Italy
| | - Ugo Pagnini
- Department of Veterinary Medicine and Animal Production, University of Naples, via Delpino 1, Federico, Naples, 80137, II, Italy
| | - Serena Montagnaro
- Department of Veterinary Medicine and Animal Production, University of Naples, via Delpino 1, Federico, Naples, 80137, II, Italy
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Sobotyk C, Nguyen N, Negrón V, Varner A, Saleh MN, Hilton C, Tomeček JM, Esteve-Gasent MD, Verocai GG. Detection of Dirofilaria immitis via integrated serological and molecular analyses in coyotes from Texas, United States. Int J Parasitol Parasites Wildl 2022; 18:20-24. [PMID: 35399590 PMCID: PMC8987650 DOI: 10.1016/j.ijppaw.2022.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 03/29/2022] [Accepted: 03/29/2022] [Indexed: 11/05/2022]
Abstract
Wild canids serve as reservoir for various vector-borne pathogens of veterinary and medical importance, including the canine heartworm, Dirofilaria immitis. In North and Central America, coyotes (Canis latrans) may be a relevant reservoir host for heartworm transmission. The objective of this study was to determine the occurrence of D. immitis in coyotes across Texas using integrated antigen detection test and molecular assays. Matching whole blood and serum samples were collected from 122 coyotes from different locations across the state of Texas, United States, encompassing nine counties. Collections occurred from February to April 2016, and December 2016. Samples were assessed serologically using a commercial microtiter plate ELISA (DiroCHEK®), and molecularly by conventional PCR targeting the cytochrome oxidase c subunit 1 (cox1) and NADH dehydrogenase subunit 5 (nad5) of the mitochondrial DNA, and via a TaqMan© probe-based real-time PCR protocol, also targeting a fragment of the cox1 gene. Overall, 12 (9.83%) samples tested positive when serological and molecular results were combined. Seven of 122 samples (5.73%) were antigen-positive, 8 (6.55%) were qPCR-positive, and 4 (3.27%) were positive using conventional PCR. Of 12 positive samples, 4 tested antigen-positive by DiroCHEK® but were negative in all molecular tests, another 4 tested positive by at least one of the molecular assays but tested negative by DiroCHEK®, and 3 samples tested positive by both antigen test and at least one of the molecular assays. Two samples (16.67%) tested positive on both the antigen test and both conventional PCR and qPCR. Our study confirmed the presence of D. immitis infection in coyotes from southern and northern Texas. The combination of serologic and molecular diagnostic tests was proven synergistic for the identification of D. immitis infections, including occult dirofilariosis, and revealed a more accurate picture of heartworm occurrence in the sampled coyotes. Coyotes are an important wild reservoir for Dirofilaria immitis in North America. We collected 121 matching blood and serum samples of coyotes from Texas, USA. Twelve samples (9.92%) tested positive combining serology and molecular tests data. Probe-based qPCR was superior than conventional PCR for heartworm diagnosis. Combined DiroCHEK® and qPCR data showed a higher prevalence than each test alone.
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Affiliation(s)
- Caroline Sobotyk
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - Nathalia Nguyen
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - Veronica Negrón
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - Amanda Varner
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - Meriam N Saleh
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - Clayton Hilton
- Department of Animal Science and Veterinary Technology, Caesar Kleberg Wildlife Research Institute, Texas A&M University-Kingsville, Kingsville, TX, 78363, USA
| | - John M Tomeček
- Department of Wildlife and Fisheries Sciences Texas A&M University, College Station, TX, 77843, USA
| | - Maria D Esteve-Gasent
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - Guilherme G Verocai
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
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Bonilla-Aldana DK, Gutiérrez-Grajales EJ, Martínez-Arboleda JP, Reina-Mora MA, Trejos-Mendoza AE, Pérez-Vargas S, Valencia-Mejía L, Marín-Arboleda LF, Osorio-Navia D, Chacón-Peña M, González-Colonia LV, Cardona-Ospina JA, Jiménez-Posada EV, Diaz A, Salazar JC, Sierra M, Muñoz-Lara F, Zambrano LI, Ramírez-Vallejo E, Álvarez JC, Jaramillo-Delgado IL, Pecho-Silva S, Paniz-Mondolfi A, Faccini-Martínez ÁA, Rodríguez-Morales AJ. Seroprevalence canine survey for selected vector-borne pathogens of and its relationship with poverty in metropolitan Pereira, Colombia, 2020. Parasite Epidemiol Control 2022; 17:e00249. [PMID: 35493769 PMCID: PMC9048108 DOI: 10.1016/j.parepi.2022.e00249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 03/01/2022] [Accepted: 03/29/2022] [Indexed: 11/19/2022] Open
Affiliation(s)
- D. Katterine Bonilla-Aldana
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
- Committee of Tropical Medicine, Zoonoses and Travel Medicine, Asociación Colombiana de Infectología, Bogotá, Colombia
| | - Erwin J. Gutiérrez-Grajales
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
| | - J. Paola Martínez-Arboleda
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - María Angelica Reina-Mora
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Adrián E. Trejos-Mendoza
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Soffia Pérez-Vargas
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Lorenzo Valencia-Mejía
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Luisa F. Marín-Arboleda
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Daniela Osorio-Navia
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Mariana Chacón-Peña
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | | | - Jaime A. Cardona-Ospina
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
- Grupo de Investigación Biomedicina, Faculty of Medicine, Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Grupo de Investigación en Infecciones Emergentes y Medicina Tropical, Instituto para la Investigación en Ciencias Biomédicas, SCI-HELP, Pereira, Risaralda, Colombia
- Committee of Tropical Medicine, Zoonoses and Travel Medicine, Asociación Colombiana de Infectología, Bogotá, Colombia
| | - Erika Vanessa Jiménez-Posada
- Grupo de Investigación en Infecciones Emergentes y Medicina Tropical, Instituto para la Investigación en Ciencias Biomédicas, SCI-HELP, Pereira, Risaralda, Colombia
| | | | | | - Manuel Sierra
- Unit of Scientific Research, School of Medical, Faculty of Medical Sciences, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
| | - Fausto Muñoz-Lara
- Department of Internal Medicine, Faculty of Medical Sciences, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
- Department of Internal Medicine, Hospital Escuela, Tegucigalpa, Honduras
| | - Lysien I. Zambrano
- Unit of Scientific Research, School of Medical, Faculty of Medical Sciences, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
| | | | - Juan Camilo Álvarez
- Grupo de Investigación One-Health, Departamento de Investigación de Enfermedades Infecciosas en Animales, Centro de Diagnóstico Especializado Testmol, Medellín, Antioquia, Colombia
| | - Ingrid Lorena Jaramillo-Delgado
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
- Grupo de Investigación One-Health, Departamento de Investigación de Enfermedades Infecciosas en Animales, Centro de Diagnóstico Especializado Testmol, Medellín, Antioquia, Colombia
| | - Samuel Pecho-Silva
- Universidad Cientifica del Sur, Lima, Peru
- Hospital Nacional Edgardo Rebagliati Martins, Lima, Peru
| | - Alberto Paniz-Mondolfi
- Laboratory of Medical Microbiology, Department of Pathology, Molecular and Cell-based Medicine, The Mount Sinai Hospital-Icahn School of Medicine at Mount Sinai, New York, USA
| | - Álvaro A. Faccini-Martínez
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
- Committee of Tropical Medicine, Zoonoses and Travel Medicine, Asociación Colombiana de Infectología, Bogotá, Colombia
| | - Alfonso J. Rodríguez-Morales
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
- Grupo de Investigación Biomedicina, Faculty of Medicine, Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Grupo de Investigación en Infecciones Emergentes y Medicina Tropical, Instituto para la Investigación en Ciencias Biomédicas, SCI-HELP, Pereira, Risaralda, Colombia
- Universidad Cientifica del Sur, Lima, Peru
- Committee of Tropical Medicine, Zoonoses and Travel Medicine, Asociación Colombiana de Infectología, Bogotá, Colombia
- Corresponding author at: Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia.
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