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Žele Vengušt D, Krt B, Blagus R, Vengušt G, Bandelj P. Seroprevalence of infectious pathogens of zoonotic and veterinary importance in wild ruminants from Slovenia. Front Vet Sci 2024; 11:1415304. [PMID: 38915887 PMCID: PMC11194780 DOI: 10.3389/fvets.2024.1415304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 05/30/2024] [Indexed: 06/26/2024] Open
Abstract
Introduction Wildlife represents an increasingly important source of pathogens of medical and veterinary importance. Surveillance in wildlife offers an insight on current epidemiological status of selected pathogens and help to prevent spillovers to humans and livestock. Material and methods Our study included 312 wild ruminants belonging to five species: Roe deer (n = 134), red deer (n = 113), Alpine chamois (n = 53), European mouflon (n = 10) and Alpine ibex (n = 2). Seven pathogens that may have profound effect on human/livestock health and economic viability of the farms were tested using serological methods. Results Antibodies against Toxoplasma gondii, Neospora caninum, Coxiella burnetii, Brucella spp., Chlamydophila abortus, Mycobacterium avium subsp. paratuberculosis (MAP) and Mycobacterium bovis were detected in 34.62% (108/312), 0.96% (3/312), 2.24% (7/312), 0, 0.96% (3/312), 0, 0.64% (2/312) of animals tested, respectively. Because of low prevalences, risk factors were assessed only for T. gondii. Sex (female>male) and species (roe deer>red deer, roe deer>Alpine chamois) were significantly associated with the T. gondii positive outcome, while age was not. Discussion Adult males had the lowest T. gondii prevalence which offers future research opportunities. The lower seroprevalence of most investigated pathogens suggests game meat, if properly cooked, as being relatively safe for human consumption. This is the first study investigating the seroprevalence and associated risk factors of selected pathogens in wild ruminants in Slovenia.
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Affiliation(s)
- Diana Žele Vengušt
- Institute of Pathology, Wild Animals, Fish and Bees, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Brane Krt
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Rok Blagus
- Institute for Biostatistics and Medical Informatics, University of Ljubljana, Ljubljana, Slovenia
- Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Koper, Slovenia
| | - Gorazd Vengušt
- Institute of Pathology, Wild Animals, Fish and Bees, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Petra Bandelj
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
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Hidalgo-Hermoso E, Verasay Caviedes S, Pizarro-Lucero J, Cabello J, Vicencio R, Celis S, Ortiz C, Kemec I, Abuhadba-Mediano N, Asencio R, Vera F, Valencia C, Lagos R, Moreira-Arce D, Salinas F, Ramirez-Toloza G, Muñoz-Quijano R, Neira V, Salgado R, Abalos P, Parra B, Cárdenas-Cáceres S, Muena NA, Tischler ND, Del Pozo I, Aduriz G, Esperon F, Muñoz-Leal S, Aravena P, Alegría-Morán R, Cuadrado-Matías R, Ruiz-Fons F. High Exposure to Livestock Pathogens in Southern Pudu ( Pudu puda) from Chile. Animals (Basel) 2024; 14:526. [PMID: 38396494 PMCID: PMC10886221 DOI: 10.3390/ani14040526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024] Open
Abstract
A significant gap in exposure data for most livestock and zoonotic pathogens is common for several Latin America deer species. This study examined the seroprevalence against 13 pathogens in 164 wild and captive southern pudu from Chile between 2011 and 2023. Livestock and zoonotic pathogen antibodies were detected in 22 of 109 wild pudus (20.18%; 95% CI: 13.34-29.18) and 17 of 55 captive pudus (30.91%; 95% CI: 19.52-44.96), including five Leptospira interrogans serovars (15.38% and 10.71%), Toxoplasma gondii (8.57% and 37.50%), Chlamydia abortus (3.03% and 12.82%), Neospora caninum (0.00% and 9.52%), and Pestivirus (8.00% and 6.67%). Risk factors were detected for Leptospira spp., showing that fawn pudu have statistically significantly higher risk of positivity than adults. In the case of T. gondii, pudu living in "free-range" have a lower risk of being positive for this parasite. In under-human-care pudu, a Pestivirus outbreak is the most strongly suspected as the cause of abortions in a zoo in the past. This study presents the first evidence of Chlamydia abortus in wildlife in South America and exposure to T. gondii, L. interrogans, and N. caninum in wild ungulate species in Chile. High seroprevalence of livestock pathogens such as Pestivirus and Leptospira Hardjo in wild animals suggests a livestock transmission in Chilean template forest.
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Affiliation(s)
| | - Sebastián Verasay Caviedes
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
- Laboratorio Clínico, Hospital Veterinario SOS Buin Zoo, Panamericana Sur Km 32, Buin 9500000, Chile;
| | - Jose Pizarro-Lucero
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
| | - Javier Cabello
- Centro de Conservación de la Biodiversidad Chiloé-Silvestre, Nal Bajo, Ancud 5710000, Chile; (J.C.); (R.A.)
| | - Rocio Vicencio
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
- Centro de Conservación de la Biodiversidad Chiloé-Silvestre, Nal Bajo, Ancud 5710000, Chile; (J.C.); (R.A.)
| | - Sebastián Celis
- Departamento de Veterinaria, Parque Zoológico Buin Zoo, Panamericana Sur Km 32, Buin 9500000, Chile; (S.C.); (C.O.); (I.K.)
| | - Carolina Ortiz
- Departamento de Veterinaria, Parque Zoológico Buin Zoo, Panamericana Sur Km 32, Buin 9500000, Chile; (S.C.); (C.O.); (I.K.)
| | - Ignacio Kemec
- Departamento de Veterinaria, Parque Zoológico Buin Zoo, Panamericana Sur Km 32, Buin 9500000, Chile; (S.C.); (C.O.); (I.K.)
| | - Nour Abuhadba-Mediano
- Escuela de Medicina Veterinaria, Universidad Mayor, Camino La Pirámide 5750, Santiago 7580506, Chile;
| | - Ronie Asencio
- Centro de Conservación de la Biodiversidad Chiloé-Silvestre, Nal Bajo, Ancud 5710000, Chile; (J.C.); (R.A.)
| | - Frank Vera
- School of Veterinary Medicine, Facultad de Ciencias de la Naturaleza, Universidad San Sebastian, Patagonia Campus, Puerto Montt 5480000, Chile; (F.V.); (C.V.)
| | - Carola Valencia
- School of Veterinary Medicine, Facultad de Ciencias de la Naturaleza, Universidad San Sebastian, Patagonia Campus, Puerto Montt 5480000, Chile; (F.V.); (C.V.)
| | - Rocio Lagos
- Laboratorio Clínico, Hospital Veterinario SOS Buin Zoo, Panamericana Sur Km 32, Buin 9500000, Chile;
| | - Dario Moreira-Arce
- Departamento de Gestión Agraria, Universidad de Santiago de Chile (USACH), Santiago 9170022, Chile;
- Institute of Ecology and Biodiversity (IEB), Santiago 7750000, Chile
| | - Fernanda Salinas
- Fundacion Buin Zoo, Panamericana Sur Km 32, Buin 9500000, Chile;
- Escuela de Geografia, Universidad de Chile, Santiago 8820808, Chile
| | - Galia Ramirez-Toloza
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
| | - Raul Muñoz-Quijano
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
| | - Victor Neira
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
| | - Rodrigo Salgado
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
| | - Pedro Abalos
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
| | - Barbara Parra
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Santa Rosa, Santiago 8820808, Chile; (S.V.C.); (J.P.-L.); (R.V.); (G.R.-T.); (R.M.-Q.); (V.N.); (R.S.); (P.A.); (B.P.)
| | - Simone Cárdenas-Cáceres
- Laboratorio de Virología Molecular, Fundación Ciencia & Vida, Av. del Valle Nte. 725, Huechuraba, Santiago 8580704, Chile; (S.C.-C.); (N.A.M.); (N.D.T.)
| | - Nicolás A. Muena
- Laboratorio de Virología Molecular, Fundación Ciencia & Vida, Av. del Valle Nte. 725, Huechuraba, Santiago 8580704, Chile; (S.C.-C.); (N.A.M.); (N.D.T.)
| | - Nicole D. Tischler
- Laboratorio de Virología Molecular, Fundación Ciencia & Vida, Av. del Valle Nte. 725, Huechuraba, Santiago 8580704, Chile; (S.C.-C.); (N.A.M.); (N.D.T.)
- Facultad de Medicina y Ciencia, Universidad San Sebastián, Providencia, Santiago 8420524, Chile
| | - Itziar Del Pozo
- Department of Animal Health, NEIKER-Basque Institute for Agricultural Research and Development, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Bizkaia, P812, 48160 Derio, Spain; (I.D.P.); (G.A.)
| | - Gorka Aduriz
- Department of Animal Health, NEIKER-Basque Institute for Agricultural Research and Development, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Bizkaia, P812, 48160 Derio, Spain; (I.D.P.); (G.A.)
| | - Fernando Esperon
- Veterinary Department, School of Biomedical and Health Sciences, Universidad Europea de Madrid, C/Tajo s/n, 28670 Villaviciosa de Odón, Spain;
| | - Sebastián Muñoz-Leal
- Departamento de Ciencia Animal, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán 3812120, Chile; (S.M.-L.); (P.A.)
| | - Paula Aravena
- Departamento de Ciencia Animal, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán 3812120, Chile; (S.M.-L.); (P.A.)
| | - Raúl Alegría-Morán
- Escuela de Medicina Veterinaria, Sede Santiago, Facultad de Recursos Naturales y Medicina Veterinaria, Universidad Santo Tomás, Ejercito Libertador 146, Santiago 8370003, Chile;
| | - Raul Cuadrado-Matías
- Health & Biotechnology (SaBio) Group, Instituto de Investigación en Recursos Cinegéticos IREC (CSIC-UCLM-JCCM), 13005 Ciudad Real, Spain; (R.C.-M.)
| | - Francisco Ruiz-Fons
- Health & Biotechnology (SaBio) Group, Instituto de Investigación en Recursos Cinegéticos IREC (CSIC-UCLM-JCCM), 13005 Ciudad Real, Spain; (R.C.-M.)
- CIBERINFEC, ISCIII—CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, 28029 Madrid, Spain
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Amouei A, Mizani A, Hanafi-Bojd AA, Jafari-Koshki T, Sarvi S, Aghayan SA, Amuei F, Nayeri Chegeni T, Daryani A. Global epidemiology and spatial distribution of Toxoplasma gondii in goats: Protocol for a systematic review and Bayesian hierarchical meta-analysis. PLoS One 2023; 18:e0290012. [PMID: 38157349 PMCID: PMC10756507 DOI: 10.1371/journal.pone.0290012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 07/31/2023] [Indexed: 01/03/2024] Open
Abstract
BACKGROUND Toxoplasma gondii, a cosmopolitan protozoan parasite causes toxoplasmosis in humans and many species of domestic and wild animals. T. gondii instigates significant economic losses in sheep and goat farming industry and can lead to abortion, stillbirth, congenital malformations and neonatal losses. The objective of this protocol is to evaluate worldwide seroprevalence of T. gondii exposure in goats using Bayesian hierarchical meta-analysis and geographic information system (GIS). METHODS A comprehensive literature search will be conducted using search engines, including Web of Science, ScienceDirect, Scopus, PubMed, ProQuest, EMBASE, PROSPERO Register and, Google Scholar without date and language restrictions. The authors search for cross-sectional studies that determine the seroprevalence of T. gondii in goats. Two reviewers will independently screen, selected studies; also, they will extract data, and assess the risk of bias. In case(s) of disagreement, a consensus will be reached with the help of a third author. The Bayesian hierarchical meta-analysis will use to estimate country and worldwide true seroprevalence of T. gondii, which is consist of the sensitivity and specificity of the applied serological assays. The obtained data will be used to identify country-level risk factors associated with T. gondii exposure using GIS in the ArcGIS software. DISCUSSION The systematic review produced from this protocol will provide the true prevalence rate and spatial distribution T. gondii exposure in goats both regionally and globally using Bayesian hierarchical and GIS analysis. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration number: CRD42020107928.
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Affiliation(s)
- Afsaneh Amouei
- Toxoplasmosis Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
- Mazandaran Central Veterinary Laboratory, Medical Sciences, Veterinary Administration of Mazandaran Province, Sari, Iran
| | - Azadeh Mizani
- Department of Parasitology, Pasteur Institute of Iran, Tehran, Iran
| | - Ahmad Ali Hanafi-Bojd
- Department of Medical Entomology &Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Tohid Jafari-Koshki
- Department of Statistics and Epidemiology, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shahabeddin Sarvi
- Toxoplasmosis Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
- Department of Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Sargis A. Aghayan
- Laboratory of Zoology, Research Institute of Biology, Yerevan State University, Yerevan, Armenia
| | - Fateme Amuei
- Department of Organic Chemistry, University of Mazandaran, Babolsar, Iran
| | - Tooran Nayeri Chegeni
- Toxoplasmosis Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
- Department of Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ahmad Daryani
- Toxoplasmosis Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
- Department of Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
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Scherrer P, Ryser-Degiorgis MP, Marti IA, Borel S, Frey CF, Mueller N, Ruetten M, Basso W. Exploring the epidemiological role of the Eurasian lynx (Lynx lynx) in the life cycle of Toxoplasma gondii. INTERNATIONAL JOURNAL FOR PARASITOLOGY: PARASITES AND WILDLIFE 2023; 21:1-10. [PMID: 37032843 PMCID: PMC10074407 DOI: 10.1016/j.ijppaw.2023.03.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/16/2023] [Accepted: 03/16/2023] [Indexed: 03/29/2023]
Abstract
Toxoplasma gondii is a successful coccidian parasite able to infect all warm-blooded animals and humans, causing one of the most common zoonoses worldwide. The Eurasian lynx (Lynx lynx) is one of the feline potential hosts of T. gondii in Switzerland, but little is known about its epidemiological role as a definitive or intermediate host. Serum samples from 183 Eurasian lynx collected from 2002 to 2021 were tested for antibodies to T. gondii by ELISA, IFAT and in case of inconclusive results, immunoblot. Antibodies to T. gondii were found in 150 of 183 (82%) Eurasian lynx. Older age, good health status and a low-altitude habitat were found to be significant predictors for seropositivity. T. gondii oocysts were detected in 3 of 176 (1.7%) faecal samples, indicating the Eurasian lynx as a definitive host. In addition, T. gondii DNA was detected in skeletal muscle (7/88), heart muscle (2/26) and/or brain tissue (2/36) from 10 different lynx by real-time PCR. In one animal, a T. gondii-like tissue cyst was observed in heart muscle and confirmed as T. gondii by immunohistochemistry (1/20) and real-time PCR. With an adapted nested-PCR-multilocus-sequence typing (MLST) and in silico restriction-fragment-length-polymorphism analysis (RFLP) approach two different T. gondii genotypes were detected: a lineage II variant (ToxoDB #3) in three animals (two oocyst samples and one heart muscle sample) and a novel genotype exhibiting both type II and III alleles in a further animal (skeletal muscle). The present results indicate that T. gondii infection is widespread in the Swiss lynx population. The Eurasian lynx may contribute to environmental contamination with oocysts and is able to harbour the parasite in different tissues. Genotyping revealed the presence of both a common T. gondii lineage in Europe and a previously unknown genotype and thus shedding more light on the complex molecular epidemiology of T. gondii.
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Migratory Wild Birds as Potential Long-Distance Transmitters of Toxoplasma gondii Infection. Pathogens 2023; 12:pathogens12030478. [PMID: 36986400 PMCID: PMC10051421 DOI: 10.3390/pathogens12030478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 03/22/2023] Open
Abstract
Toxoplasma gondii is a worldwide distributed zoonotic protozoan capable of infecting a wide range of mammals (including humans) and birds as intermediate hosts. Migratory wild birds, through interconnecting countries along their flyways, can play a role in the spatial spread of T. gondii and could contribute to its sylvatic cycle. Additionally, hunted wild birds used for meat consumption could represent a further source of human infection. To determine the presence of T. gondii in wild birds, a total of 50 individuals belonging to the Anseriformes and Charadriiformes orders were sampled during the 2021–2022 hunting season in Northern Italy. Cardiac muscle samples of three Northern shovelers (Anas clypeata), two wild mallards (A. platyrhynchos), one Eurasian teal (A. crecca), and one Northern lapwing (Vanellus vanellus) were positive for the molecular detection of T. gondii based on a targeted amplification of the B1 gene. A 14% (7/50) overall positivity was observed in the sampled population. Results from this study suggest a moderate exposure of wild aquatic birds to T. gondii, highlighting the importance of a further characterization of T. gondii in its wildlife hosts.
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Retrospective Molecular Survey on Bacterial and Protozoan Abortive Agents in Roe Deer (Capreolus capreolus) from Central Italy. Animals (Basel) 2022; 12:ani12223202. [PMID: 36428429 PMCID: PMC9686506 DOI: 10.3390/ani12223202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Bacterial and protozoan agents can determine abortion and other reproductive disorders in domestic ruminants, but data regarding their occurrence in wild ruminants are scanty worldwide, including in Italy. The aim of this retrospective study was to verify the occurrence of the main bacterial and protozoan abortive agents in 72 spleen samples previously collected from roe deer (Capreolus capreolus) living in mountain areas of Central Italy. All samples were collected and submitted to DNA extraction for other investigations. Molecular analyses were carried out on the DNA samples to detect Brucella spp., Chlamydia abortus, Coxiella burnetii, Salmonella enterica, Listeria monocytogenes, Neospora caninum, and Toxoplasma gondii. Three (4.16%) roe deer resulted PCR positive for C. burnetii and one (1.38%) for T. gondii. These findings suggest that roe deer living in the investigated areas do not act as important reservoirs of the searched agents. However, the tested animals lived in a closed area without contact with domestic animals that are usually involved in the epidemiology of the investigated pathogens. Monitoring of wild ruminants is pivotal to verify changes in the epidemiological scenario from a One Health perspective, too.
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Czarniecka-Skubina E, Stasiak DM, Latoch A, Owczarek T, Hamulka J. Consumers' Perception and Preference for the Consumption of Wild Game Meat among Adults in Poland. Foods 2022; 11:foods11060830. [PMID: 35327252 PMCID: PMC8954458 DOI: 10.3390/foods11060830] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/10/2022] [Accepted: 03/11/2022] [Indexed: 11/16/2022] Open
Abstract
Wild game meat can be a healthier, safer, and more environmentally friendly alternative to meat from farm animals. The aims of this study were to know the preferences and opinions of Polish consumers regarding game meat and its use in their diet, and to identify consumer segments based on differences in individual game meat choices, concerns, and eating habits related to game meat. The survey was conducted using the platform for online surveys among 1261 adult Poles. Six clusters characterizing the behavior of game consumers were identified (casual consumers, occasional game gourmets, indifferent consumers, occasional consumers, accidental consumers, wild game lovers) and four clusters among those who do not eat game (uninterested, restricted, dislikers, fearful). It has been found that wild game is more often eaten by hunters and their family or friends. The most common reasons for not consuming game are high prices, low availability, no family tradition, and unacceptable taste. Many positive respondents eat game because of its nutritional value but are concerned about the potential health risks and lack of cooking skills. The results of this study indicate the need for information programs for consumers about this meat. They will provide guidance to meat companies about consumer preferences for game and allow them to develop appropriate marketing strategies.
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Affiliation(s)
- Ewa Czarniecka-Skubina
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS), 166 Nowoursynowska Str., 02-787 Warsaw, Poland
- Correspondence: ; Tel.: +48-22-5937063
| | - Dariusz M. Stasiak
- Department of Animal Food Technology, University of Life Sciences in Lublin, 8 Skromna Str., 20-708 Lublin, Poland; (D.M.S.); (A.L.)
| | - Agnieszka Latoch
- Department of Animal Food Technology, University of Life Sciences in Lublin, 8 Skromna Str., 20-708 Lublin, Poland; (D.M.S.); (A.L.)
| | - Tomasz Owczarek
- Department of Marketing and Quantitative Methods, Gdynia Maritime University, 81-87 Morska Str., 81-225 Gdynia, Poland;
| | - Jadwiga Hamulka
- Department of Human Nutrition, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS), 166 Nowoursynowska Str., 02-787 Warsaw, Poland;
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Thermostable Vaccines in Veterinary Medicine: State of the Art and Opportunities to Be Seized. Vaccines (Basel) 2022; 10:vaccines10020245. [PMID: 35214703 PMCID: PMC8876287 DOI: 10.3390/vaccines10020245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/28/2022] [Accepted: 01/28/2022] [Indexed: 12/14/2022] Open
Abstract
The COVID-19 pandemic has highlighted the weakness of the vaccine supply chain, and the lack of thermostable formulations is one of its major limitations. This study presents evidence from peer-reviewed literature on the development of thermostable vaccines for veterinary use. A systematic review and meta-analysis were performed to evaluate the immunogenicity and/or the efficacy/effectiveness of thermostable vaccines against infectious diseases. The selected studies (n = 78) assessed the vaccine’s heat stability under different temperature conditions and over different periods. Only one study assessed the exposure of the vaccine to freezing temperatures. Two field studies provided robust evidence on the immunogenicity of commercial vaccines stored at temperatures far in excess of the manufacturer’s recommended cold-chain conditions. The drying process was the most-used method to improve the vaccine’s thermostability, along with the use of different stabilizers. The pooled vaccine efficacy was estimated to be high (VE = 69%), highlighting the importance of vaccination in reducing the economic losses due to the disease impact. These findings provide evidence on the needs and benefits of developing a portfolio of heat- and freeze-stable veterinary vaccines to unleash the true potential of immunization as an essential component of improved animal health and welfare, reduce the burden of certain zoonotic events and thus contribute to economic resilience worldwide.
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A Review on Alaria alata, Toxoplasma gondii and Sarcocystis spp. in Mammalian Game Meat Consumed in Europe: Epidemiology, Risk Management and Future Directions. Animals (Basel) 2022; 12:ani12030263. [PMID: 35158587 PMCID: PMC8833328 DOI: 10.3390/ani12030263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 12/24/2022] Open
Abstract
Simple Summary In many European countries, game meat consumption is related to the traditional hunting culture. Its demand and consumption are increasing, also due to the growing populations of wild ungulates. However, specific public health issues exist and should be taken into account. This review focuses on the causal agents, epidemiology, potential risk for human health and its management along the supply chain, including parasite detection at slaughtering and inactivation in meat, of three parasites (Alaria alata, Toxoplasma gondii and Sarcocystis spp.), which can be transmitted by the main mammalian game meat species in the EU: wild boar (Sus scrofa), red deer (Cervus elaphus), roe deer (Capreolus capreolus), fallow deer (Dama dama), Alpine chamois (Rupicapra rupicapra), moose (Alces alces), hare (Lepus europaeus) and wild rabbit (Oryctolagus cuniculus). By presenting the main issues and knowledge gaps, this study aims to contribute to an improved control supporting the risk analysis process. Abstract Game meat is increasingly appreciated and consumed in Europe, also due to the growing population of wild ungulates. In addition to interesting nutritional properties and market opportunities, game meat is characterized by some specific public health issues. This review focuses on the etiology, epidemiology, public health aspects and risk management along the supply chain, including parasite detection at slaughtering and inactivation in meat, of three selected foodborne parasitic hazards (Alaria alata, Toxoplasma gondii and Sarcocystis spp.) in the main mammalian game meat species in the EU: wild boar (Sus scrofa), red deer (Cervus elaphus), roe deer (Capreolus capreolus), fallow deer (Dama dama), Alpine chamois (Rupicapra rupicapra), moose (Alces alces), hare (Lepus europaeus) and wild rabbit (Oryctolagus cuniculus). The presented data point out the main issues, and knowledge gaps as well as the potential for improved control in order to contribute to the risk analysis process. To pursue an effective management of these parasitic zoonoses, awareness raising should involve all figures in the supply chain, including hunters, restaurateurs and consumers. Human behaviour and the lack of knowledge regarding meat borne parasitic zoonoses and the health risks they pose seem to be the most important factors responsible for human infections. However, detection methods, starting from the sampling procedure, should be further developed and standardized in order to improve the collection of accurate and up-to-date epidemiological data.
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Graziosi G, Catelli E, Fanelli A, Lupini C. Infectious bursal disease virus in free-living wild birds: A systematic review and meta-analysis of its sero-viroprevalence on a global scale. Transbound Emerg Dis 2021; 69:2800-2815. [PMID: 34918482 DOI: 10.1111/tbed.14433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/29/2021] [Accepted: 12/06/2021] [Indexed: 12/11/2022]
Abstract
Infectious bursal disease virus (IBDV) is an economically important pathogen for poultry, whereas knowledge of its occurrence in non-poultry hosts is limited. The objective of this systematic review and meta-analysis is to summarize the up-to-date knowledge about the sero-viroprevalence of IBDV in wild birds on a global scale. A computerized literature research was performed on PubMed, Scopus, CAB Direct and Web of Science to find relevant publications, along with the screening of reference lists. Journal articles, book chapters, scientific correspondences, conference proceedings and short communications on IBDV virological and/or serological surveys in free-living wild birds published between 1970 and 2021 were considered as eligible. Among 184 studies found, 36 original contributions met the pre-established criteria. A random-effect model was applied to calculate pooled seroprevalence estimates with 95% confidence intervals, whereas the paucity of virological studies (n = 6) only allowed a qualitative description of the data. The pooled seroprevalence was estimated to be 6% (95% CI: 3%-9%) and a high heterogeneity was detected (I2 = 96%). Sub-group analyses were not performed due to the scarcity of available information about hypothetical moderators. With respect to virological studies, IBDV was detected in Anseriformes, Columbiformes, Galliformes, Passeriformes and Pelecaniformes and different strains related to poultry infection were isolated. Our estimates of serological data showed a moderate exposure of wild birds to IBDV. The susceptibility of different species to IBDV infection underlines their potential role in its epidemiology at least as carriers or spreaders. Indeed, the isolation of IBDV in healthy wild birds with a migratory attitude might contribute to a long-distance spread of the virus and to strain diversity. While a wild reservoir host could not be clearly identified, we believe our work provides useful insights for conducting future surveys which are needed to broaden our knowledge of IBDV occurrence in wild birds.
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Affiliation(s)
- Giulia Graziosi
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia (BO), Italy
| | - Elena Catelli
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia (BO), Italy
| | - Angela Fanelli
- Department of Veterinary Medicine, University of Bari, Valenzano, Bari, Italy
| | - Caterina Lupini
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia (BO), Italy
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Fanelli A, Tizzani P, Buonavoglia D. A systematic review and meta-analysis of hepatitis E virus (HEV) in wild boars. Res Vet Sci 2021; 142:54-69. [PMID: 34864434 DOI: 10.1016/j.rvsc.2021.11.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 05/02/2021] [Accepted: 11/26/2021] [Indexed: 12/19/2022]
Abstract
This systematic review and meta-analysis summarize the available information on Hepatitis E virus (HEV) -specific antibody seroprevalence and HEV RNA prevalence in wild boar, one of the most abundant game species worldwide. A literature search (CAB Abstracts, Web of Science, Embase and Scopus) was performed to find relevant peer-reviewed works published during the period 1990-2020. A random-effect model was carried out to calculate the pooled HEV-specific antibody seroprevalence and HEV RNA prevalence estimates with 95% confidence intervals, and I2 statistic was used to assess the heterogeneity of the data. Values by subgroups were compared according to the geographical area, age class (≤ 12 months old and > 12 months old), and sample type (bile, faeces, liver, meat/muscle, serum). Sixty-nine publications were selected, with the majority of the studies from Southern Europe (n = 27). The pooled HEV-specific antibody seroprevalence in wild boar was 28% (CI95% 23-34) and the HEV RNA prevalence 8% (CI95% 6-10). The analysis highlighted a significant heterogeneity among the estimates from the included studies (I2 = 98% and I2 = 95% for HEV-specific antibody seroprevalence and viral prevalence respectively). The moderator analysis indicated a statistically significant difference (p-value = 0.03) for the HEV RNA prevalence according to the sample type, with the highest value in bile (17%, CI95% 9-27), followed by liver (10%, CI95% 7-14), serum (7%, CI95% 4-10), faeces (5%, CI95% 2-9), and meat/muscle (3%, CI95% 0.04-10). Finally, the HEV RNA prevalence in Europe (8.7, CI95% 6.7-11) was significantly (p-value = 0.04) higher than in Asia (4, CI95% 0.6-8). The analysis highlights the important role of wild boar in the epidemiology of HEV.
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Affiliation(s)
- Angela Fanelli
- Department of Veterinary Medicine, University of Bari, Valenzano, Bari, Italy.
| | - Paolo Tizzani
- Department of Veterinary Sciences, University of Turin, Grugliasco, Turin, Italy
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Fanelli A, Buonavoglia D. Risk of Crimean Congo haemorrhagic fever virus (CCHFV) introduction and spread in CCHF-free countries in southern and Western Europe: A semi-quantitative risk assessment. One Health 2021; 13:100290. [PMID: 34307823 PMCID: PMC8283130 DOI: 10.1016/j.onehlt.2021.100290] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 07/02/2021] [Accepted: 07/03/2021] [Indexed: 11/29/2022] Open
Abstract
Crimean-Congo hemorrhagic fever (CCHF) is a severe tick-borne viral zoonotic disease caused by Crimean-Congo hemorrhagic fever virus (CCHFV). The disease is usually asymptomatic in domestic and wild animals, both of which may act as reservoirs of the virus. CCHF is endemic in parts of Africa, Asia, the Middle East and Eastern Europe. During the last decade, the emergence or re-emergence of CCHF was described in several countries in the Eastern Mediterranean Region, with an increasing risk of extension into new areas. Given the public health importance, this study undertakes a semi-quantitative risk assessment to analyse the likelihood of entry and exposure of CCHFV into 9 CCHF-free countries in Southern and Western Europe. Based on a framework outlining the probability of the virus entry and exposure, the risk estimates were assessed for each individual country. The risk assessment was performed using information from public databases and the available scientific literature. The likelihood of entry was conducted considering 3 main pathways: infected tick vectors, wildlife and livestock. The likelihood of exposure was assessed considering the probability of survival of the infected ticks once introduced in CCHF-free countries (depending on abiotic and biotic factors), and the exposure of resident uninfected susceptible ticks to infected imported wildlife and livestock. The risk estimates (combined CCHFV introduction and exposure) were low for the majority of the countries (Austria, Belgium, Germany, Luxembourg, Netherlands, Slovenia and Switzerland) and medium for France and Italy, if accounting only for animal health consequences. Considering the public health consequences only, the risks were rated low for all the countries, except for Italy where it was assessed to be medium.
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Affiliation(s)
- Angela Fanelli
- Department of Veterinary Medicine, University of Bari, Valenzano (BA), Italy
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Castro-Scholten S, Cano-Terriza D, Jiménez-Ruiz S, Almería S, Risalde MA, Vicente J, Acevedo P, Arnal MC, Balseiro A, Gómez-Guillamón F, Escribano F, Puig-Ribas M, Dubey JP, García-Bocanegra I. Seroepidemiology of Toxoplasma gondii in wild ruminants in Spain. Zoonoses Public Health 2021; 68:884-895. [PMID: 34227234 DOI: 10.1111/zph.12878] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 06/21/2021] [Accepted: 06/25/2021] [Indexed: 10/20/2022]
Abstract
Toxoplasmosis is a parasitic zoonosis caused by Toxoplasma gondii which infects warm-blooded species worldwide. Humans can be infected through ingestion of tissue cysts from raw or undercooked meat, including game meat. A nationwide large-scale cross-sectional study was conducted to assess exposure to T. gondii in seven wild ruminant species in Spain. A total of 2,040 serum samples from 77 sampling sites randomly distributed in the five bioregions (BRs) covering mainland Spain were tested for antibodies against T. gondii using the modified agglutination test. The overall seroprevalence was 22.0% (449/2,040). Seroprevalence by species in decreasing order was as follows: 39.6% (141/356) in roe deer (Capreolus capreolus), 37.1% (138/372) in fallow deer (Dama dama), 16.6% (92/553) in red deer (Cervus elaphus), 14.0% (26/186) in Southern chamois (Rupicapra pyrenaica), 11.5% (24/209) in mouflon (Ovis aries musimon), 7.8% (27/346) in Iberian wild goat (Capra pyrenaica) and 5.6% (1/18) in Barbary sheep (Ammotragus lervia). Seropositivity was detected in 74.0% (57/77) of the sampling sites. Results indicate widespread but not homogeneous exposure to T. gondii in wild ruminant populations in Spain during the last two decades and highlight differences related to animal species and spatial distribution of these species in this country; this implies potential consequences of T. gondii for animal health, conservation and public health.
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Affiliation(s)
- Sabrina Castro-Scholten
- Departamento de Sanidad Animal, Facultad de Veterinaria, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), Universidad de Córdoba (UCO), Córdoba, Spain
| | - David Cano-Terriza
- Departamento de Sanidad Animal, Facultad de Veterinaria, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), Universidad de Córdoba (UCO), Córdoba, Spain
| | - Saúl Jiménez-Ruiz
- Departamento de Sanidad Animal, Facultad de Veterinaria, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), Universidad de Córdoba (UCO), Córdoba, Spain.,Grupo Sanidad y Biotecnología (SaBio), Instituto de Investigación en Recursos Cinegéticos IREC (UCLM-CSIC-JCCM), Ciudad Real, Spain
| | - Sonia Almería
- Food and Drug Administration, Center for Food Safety and Applied Nutrition (CFSAN), Office of Applied Research and Safety Assessment (OARSA), Laurel, MD, USA
| | - María A Risalde
- Departamento de Anatomía y Anatomía Patológica Comparadas y Toxicología, Facultad de Veterinaria, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), Universidad de Córdoba (UCO), Córdoba, Spain.,Unidad de Enfermedades Infecciosas, Grupo de Virología Clínica y Zoonosis, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Joaquín Vicente
- Grupo Sanidad y Biotecnología (SaBio), Instituto de Investigación en Recursos Cinegéticos IREC (UCLM-CSIC-JCCM), Ciudad Real, Spain
| | - Pelayo Acevedo
- Grupo Sanidad y Biotecnología (SaBio), Instituto de Investigación en Recursos Cinegéticos IREC (UCLM-CSIC-JCCM), Ciudad Real, Spain
| | - María C Arnal
- Departamento de Patología Animal, Facultad de Veterinaria, Universidad de Zaragoza (UNIZAR), Zaragoza, Spain
| | - Ana Balseiro
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de León (ULE), León, Spain.,Departamento de Sanidad Animal, Instituto de Ganadería de Montaña (CSIC-Universidad de León), León, Spain
| | - Félix Gómez-Guillamón
- Programa de Vigilancia Epidemiológica de la Fauna Silvestre, Consejería de Agricultura, Ganadería, Pesca y Desarrollo Sostenible (CAGPDS), Málaga, Spain
| | - Fernando Escribano
- Programa de Conservación y Recuperación de Fauna Silvestre, Dirección General de Medio Natural, Consejería de Agua, Agricultura, Pesca y Medio Ambiente, Murcia, Spain
| | - María Puig-Ribas
- Departament de Medicina i Cirurgia Animals, Wildlife Conservation Medicine Research Group (WildCoM), Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Jitender P Dubey
- Animal Parasitic Disease Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Beltsville, MD, USA
| | - Ignacio García-Bocanegra
- Departamento de Sanidad Animal, Facultad de Veterinaria, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), Universidad de Córdoba (UCO), Córdoba, Spain
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Dubey JP, Murata FHA, Cerqueira-Cézar CK, Kwok OCH. Epidemiologic and Public Health Significance of Toxoplasma gondii Infections in Venison: 2009-2020. J Parasitol 2021; 107:309-319. [PMID: 33886960 DOI: 10.1645/20-162] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Toxoplasma gondii infections are common in humans and animals worldwide. The ingestion of food or water contaminated with oocysts excreted by infected cats or ingestion of uncooked or undercooked meat containing tissue cysts of T. gondii are the 2 major modes of transmission of T. gondii. Deer are a popular game. Recently, outbreaks of clinical toxoplasmosis were reported in humans in North America linked to ingestion of undercooked venison. Here, we review prevalence, persistence of infection, clinical disease, epidemiology, and public health risks of T. gondii infections in deer and other cervids for the past decade. Estimates of worldwide serological prevalence are summarized individually for each species of deer, elk, moose, and caribou. Genetic diversity of 112 viable isolates of T. gondii from cervids is discussed, including its public health significance. Prevalence of T. gondii in deer is very high. Any part of a deer, including liver, spleen, and muscles, should be cooked thoroughly before human consumption.
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Affiliation(s)
- J P Dubey
- United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, Maryland 20705-2350
| | - F H A Murata
- United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, Maryland 20705-2350
| | - C K Cerqueira-Cézar
- United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, Maryland 20705-2350
| | - O C H Kwok
- United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, Maryland 20705-2350
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A historical review of Babesia spp. associated with deer in Europe: Babesia divergens/Babesia divergens-like, Babesia capreoli, Babesia venatorum, Babesia cf. odocoilei. Vet Parasitol 2021; 294:109433. [PMID: 33930692 DOI: 10.1016/j.vetpar.2021.109433] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 04/10/2021] [Accepted: 04/17/2021] [Indexed: 01/17/2023]
Abstract
This review is intended to provide an overview of the occurrence and diversity of Babesia spp. in European deer. Babesiosis is an emerging vector-borne disease with negative implications on animal and public health. Cervidae are important hosts for Ixodidae ticks, playing a critical role in the epidemiology of the parasite. Deer are susceptible to different Babesia spp., some of them with zoonotic potential. The infection is usually asymptomatic with high prevalence rates, although some fatal cases due to B. capreoli and B. venatorum have been reported. In Europe, 3 main Babesia spp. have been described in deer: Babesia divergens/B. divergens-like, B. capreoli and B. venatorum. Additionally, close relatives of B. odocoilei, the Babesia species of the American white-tailed deer (Odocoileus virginianus), have been isolated in several European countries. The occurrence of B. divergens/B. divergens-like generated concerns about the role of cervidae in the life cycle of the parasite, and the potential threat for public health. Few human cases have been attributed to B. venatorum so far, including hunters. Although this species is strictly related to the presence of roe deer (Capreolus capreolus), it has been occasionally reported in moose (Alces alces) and captive reindeer (Rangifer tarandus). Over recent years, vector-borne diseases received increased attention from International Organizations. However, technical difficulties persist, affecting surveillance efficiency. Given the veterinary and zoonotic importance of babesiosis, the author advocates the need for an effective monitoring at wildlife-domestic animals-humans interface and the implementation of management plans to reduce the risk of Babesia spp. infection for both humans and domestic animals.
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Morka K, Wałecka-Zacharska E, Schubert J, Dudek B, Woźniak-Biel A, Kuczkowski M, Wieliczko A, Bystroń J, Bania J, Bugla-Płoskońska G. Genetic Diversity and Distribution of Virulence-Associated Genes in Y. enterocolitica and Y. enterocolitica-Like Isolates from Humans and Animals in Poland. Pathogens 2021; 10:65. [PMID: 33450948 PMCID: PMC7828411 DOI: 10.3390/pathogens10010065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 01/03/2021] [Accepted: 01/10/2021] [Indexed: 11/17/2022] Open
Abstract
Yersinia enterocolitica, widespread within domestic and wild-living animals, is a foodborne pathogen causing yersiniosis. The goal of this study was to assess a genetic similarity of Y. enterocolitica and Y. enterocolitica-like strains isolated from different hosts using Multiple Locus Variable-Number Tandem Repeat Analysis (MLVA) and Pulsed-Field Gel Electrophoresis (PFGE) methods, and analyze the prevalence of virulence genes using multiplex-Polymerase Chain Reaction (PCR) assays. Among 51 Yersinia sp. strains 20 virulotypes were determined. The most common virulence genes were ymoA, ureC, inv, myfA, and yst. Yersinia sp. strains had genes which may contribute to the bacterial invasion and colonization of the intestines as well as survival in serum. One wild boar Y. enterocolitica 1A strain possessed ail gene implying the possible pathogenicity of 1A biotype. Wild boar strains, represented mainly by 1A biotype, were not classified into the predominant Variable-Number Tandem Repeats (VNTR)/PFGE profile and virulotype. There was a clustering tendency among VNTR/PFGE profiles of pig origin, 4/O:3, and virulence profile. Pig and human strains formed the most related group, characterized by ~80% of genetic similarity what suggest the role of pigs as a potential source of infection for the pork consumers.
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Affiliation(s)
- Katarzyna Morka
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Ewa Wałecka-Zacharska
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Justyna Schubert
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Bartłomiej Dudek
- Department of Microbiology, Institute of Genetics and Microbiology, Wroclaw University, S. Przybyszewskiego 63, 51-148 Wrocław, Poland;
| | - Anna Woźniak-Biel
- Department of Epizootiology and Clinic of Birds and Exotic Animals, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 45, 50-366 Wrocław, Poland; (A.W.-B.); (M.K.); (A.W.)
| | - Maciej Kuczkowski
- Department of Epizootiology and Clinic of Birds and Exotic Animals, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 45, 50-366 Wrocław, Poland; (A.W.-B.); (M.K.); (A.W.)
| | - Alina Wieliczko
- Department of Epizootiology and Clinic of Birds and Exotic Animals, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 45, 50-366 Wrocław, Poland; (A.W.-B.); (M.K.); (A.W.)
| | - Jarosław Bystroń
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Jacek Bania
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Gabriela Bugla-Płoskońska
- Department of Microbiology, Institute of Genetics and Microbiology, Wroclaw University, S. Przybyszewskiego 63, 51-148 Wrocław, Poland;
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