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Cicculli V, Ayhan N, Luciani L, Pezzi L, Maitre A, Decarreaux D, de Lamballerie X, Paoli JC, Vial L, Charrel R, Falchi A. Molecular detection of parapoxvirus in Ixodidae ticks collected from cattle in Corsica, France. Vet Med Sci 2022; 8:907-916. [PMID: 35092189 PMCID: PMC8959304 DOI: 10.1002/vms3.700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Several viruses belonging to the family Poxviridae can cause infections in humans and animals. In Corsica, livestock farming (sheep, goats, pigs, and cattle) is mainly mixed, leading to important interactions between livestock, wildlife, and human populations. This could facilitate the circulation of zoonotic diseases, and makes Corsica a good example for studies of tick-borne diseases. OBJECTIVES To gain understanding on the circulation of poxviruses in Corsica, we investigated their presence in tick species collected from cattle, sheep, horses, and wild boar, and characterized them through molecular techniques. METHODS Ticks were tested using specific primers targeting conserved regions of sequences corresponding to two genera: parapoxvirus and orthopoxvirus. RESULTS A total of 3555 ticks were collected from 1549 different animals (687 cattle, 538 horses, 106 sheep, and 218 wild boars). They were tested for the presence of parapoxvirus DNA on one hand and orthopoxvirus DNA on the other hand using Pangeneric real-time TaqMan assays. Orthopoxvirus DNA was detected in none of the 3555 ticks. Parapoxvirus DNA was detected in 6.6% (36/544) of ticks collected from 23 cows from 20 farms. The remaining 3011 ticks collected from horses, wild boars, and sheep were negative. The infection rate in cow ticks was 8.0% (12/148) in 2018 and 6.0% (24/396) in 2019 (p = 0.57). Parapoxvirus DNA was detected in 8.5% (5/59) of Hyalomma scupense pools, 8.2% (15/183) of Hyalomma marginatum pools, and 6.7% (16/240) of Rhipicephalus bursa pools (p = 0.73). We successfully amplified and sequenced 19.4% (7/36) of the positive samples which all corresponded to pseudocowpox virus. CONCLUSIONS Obviously, further studies are needed to investigate the zoonotic potential of pseudocowpox virus and its importance for animals and public health.
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Affiliation(s)
- Vincent Cicculli
- Laboratoire de Virologie, Université de Corse-Inserm, Corte, France.,Unité Des Virus Emergents (UVE: Aix Marseille Université, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Nazli Ayhan
- Unité Des Virus Emergents (UVE: Aix Marseille Université, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Léa Luciani
- Unité Des Virus Emergents (UVE: Aix Marseille Université, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Laura Pezzi
- Unité Des Virus Emergents (UVE: Aix Marseille Université, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Apolline Maitre
- Laboratoire de Virologie, Université de Corse-Inserm, Corte, France
| | | | - Xavier de Lamballerie
- Unité Des Virus Emergents (UVE: Aix Marseille Université, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Jean-Christophe Paoli
- UR045 Laboratoire de Recherches sur le Développement de l'Élevage, Institut National de la Recherche pour l'Agriculture, l'Alimentation et l'Environnement, Corte, France
| | - Laurence Vial
- UMR CIRAD-INRA ASTRE (Animal, Health, Territories, Risks and Ecosystems) Department BIOS, Campus International de Baillarguet, Montpellier, France
| | - Remi Charrel
- Unité Des Virus Emergents (UVE: Aix Marseille Université, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
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Modise BM, Settypalli TBK, Kgotlele T, Xue D, Ntesang K, Kumile K, Naletoski I, Nyange JF, Thanda C, Macheng KN, Marobela-Raborokgwe C, Viljoen GJ, Cattoli G, Lamien CE. First molecular characterization of poxviruses in cattle, sheep, and goats in Botswana. Virol J 2021; 18:167. [PMID: 34391449 PMCID: PMC8364013 DOI: 10.1186/s12985-021-01634-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 08/03/2021] [Indexed: 11/10/2022] Open
Abstract
Background Poxviruses within the Capripoxvirus, Orthopoxvirus, and Parapoxvirus genera can infect livestock, with the two former having zoonotic importance. In addition, they induce similar clinical symptoms in common host species, creating a challenge for diagnosis. Although endemic in the country, poxvirus infections of small ruminants and cattle have received little attention in Botswana, with no prior use of molecular tools to diagnose and characterize the pathogens. Methods A high-resolution melting (HRM) assay was used to detect and differentiate poxviruses in skin biopsy and skin scab samples from four cattle, one sheep, and one goat. Molecular characterization of capripoxviruses and parapoxviruses was undertaken by sequence analysis of RPO30 and GPCR genes. Results The HRM assay revealed lumpy skin disease virus (LSDV) in three cattle samples, pseudocowpox virus (PCPV) in one cattle sample, and orf virus (ORFV) in one goat and one sheep sample. The phylogenetic analyses, based on the RPO30 and GPCR multiple sequence alignments showed that the LSDV sequences of Botswana were similar to common LSDV field isolates encountered in Africa, Asia, and Europe. The Botswana PCPV presented unique features and clustered between camel and cattle PCPV isolates. The Botswana ORFV sequence isolated from goat differed from the ORFV sequence isolated from sheep. Conclusions This study is the first report on the genetic characterization of poxvirus diseases circulating in cattle, goats, and sheep in Botswana. It shows the importance of molecular methods to differentially diagnose poxvirus diseases of ruminants.
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Affiliation(s)
| | - Tirumala Bharani Kumar Settypalli
- Animal Production and Health Section, Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna International Centre, PO Box 100, 1400, Vienna, Austria
| | - Tebogo Kgotlele
- Botswana National Veterinary Laboratory, Private Bag 0035, Gaborone, Botswana
| | - Dingrong Xue
- Animal Production and Health Section, Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna International Centre, PO Box 100, 1400, Vienna, Austria.,Academy of National Food and Strategic Reserves Administration, Beijing, China
| | | | - Kago Kumile
- Botswana National Veterinary Laboratory, Private Bag 0035, Gaborone, Botswana
| | - Ivancho Naletoski
- Animal Production and Health Section, Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna International Centre, PO Box 100, 1400, Vienna, Austria
| | | | - Carter Thanda
- Botswana National Veterinary Laboratory, Private Bag 0035, Gaborone, Botswana
| | | | | | - Gerrit Johannes Viljoen
- Animal Production and Health Section, Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna International Centre, PO Box 100, 1400, Vienna, Austria
| | - Giovanni Cattoli
- Animal Production and Health Section, Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna International Centre, PO Box 100, 1400, Vienna, Austria
| | - Charles Euloge Lamien
- Animal Production and Health Section, Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna International Centre, PO Box 100, 1400, Vienna, Austria
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Ziba MW, Chitala C, Settypalli TBK, Mumba M, Cattoli G, Fandamu P, Lamien CE. First detection and molecular characterisation of pseudocowpox virus in a cattle herd in Zambia. Virol J 2020; 17:152. [PMID: 33036619 PMCID: PMC7547423 DOI: 10.1186/s12985-020-01426-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 10/01/2020] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Pseudocowpox virus (PCPV) of the genus Parapoxvirus in the family Poxviridae causes pseudocowpox in cattle worldwide and presents a zoonotic concern. Most poxviruses produce diseases of similar clinical signs in affected animals, which are impossible to differentiate clinically or by serology. It is, therefore, vital to use molecular assays to rapidly identify the causative agents of poxvirus infections. This study aimed to detect, diagnose, and characterize the causative agent of pox-like skin lesions in a cattle herd in Zambia, initially suspected to be infected with Lumpy Skin Disease virus. METHODS We used a High-Resolution Melting (HRM) analysis assay to detect the PCPV genome and sequenced the major envelope protein (B2L gene) for comparative sequence and phylogenetic analysis. RESULTS Our field investigations showed cattle presenting atypical skin lesions and high morbidity within the herd. The laboratory diagnosis, based on the HRM assay revealed PCPV DNA in the samples. Phylogenetic and comparative sequence analyses confirmed PCPV in the samples and revealed genomic differences between samples collected in 2017 and 2018 from the same farm. CONCLUSION Our work is the first documented report of PCPV in Zambia. It shows the strength of molecular methods to diagnose pox-like infections in cattle and discriminate between diseases causing similar clinical signs. This rapid and accurate diagnosis improves the response time for more accurate veterinary interventions.
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Affiliation(s)
- Maureen Wakwamba Ziba
- Department of Veterinary Services Ministry of Fisheries and Livestock, Central Veterinary Research Institute, P.O Box 33980, Lusaka, Zambia.
| | - Chanda Chitala
- Department of Veterinary Services Ministry of Fisheries and Livestock, Central Veterinary Research Institute, P.O Box 33980, Lusaka, Zambia
| | - Tirumala Bharani K Settypalli
- Department of Nuclear Sciences and Applications, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Wagramer Strasse 5, P.O. Box 100, 1400, Vienna, Austria
| | - Malama Mumba
- Department of Veterinary Services Ministry of Fisheries and Livestock, Central Veterinary Research Institute, P.O Box 33980, Lusaka, Zambia
| | - Giovanni Cattoli
- Department of Nuclear Sciences and Applications, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Wagramer Strasse 5, P.O. Box 100, 1400, Vienna, Austria
| | - Paul Fandamu
- Department of Veterinary Services Ministry of Fisheries and Livestock, Central Veterinary Research Institute, P.O Box 33980, Lusaka, Zambia
| | - Charles Euloge Lamien
- Department of Nuclear Sciences and Applications, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Wagramer Strasse 5, P.O. Box 100, 1400, Vienna, Austria
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Shimizu K, Badr Y, Okada A, Inoshima Y. Bovine papular stomatitis virus and pseudocowpox virus coinfection in dairy calves in Japan. Arch Virol 2020; 165:2659-2664. [PMID: 32880730 DOI: 10.1007/s00705-020-04792-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 07/30/2020] [Indexed: 10/23/2022]
Abstract
Two cases of coinfection with bovine papular stomatitis virus (BPSV) and pseudocowpox virus (PCPV) in dairy calves in Tochigi Prefecture, Japan, are reported. Sequences of BPSV and PCPV were simultaneously detected in the same polymerase chain reaction (PCR) amplicons, which were obtained from the DNA of two dairy calves using a pan-parapoxvirus primer set. PCR amplification using BPSV- and PCPV-specific primer sets were able to distinguish between the two viruses in coinfected clinical samples. Based on these data, further studies on the occurrence BPSV/PCPV coinfections in cattle in Japan are warranted.
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Affiliation(s)
- Kaori Shimizu
- Laboratory of Food and Environmental Hygiene, Cooperative Department of Veterinary Medicine, Gifu University, Gifu, Japan
| | - Yassien Badr
- Laboratory of Food and Environmental Hygiene, Cooperative Department of Veterinary Medicine, Gifu University, Gifu, Japan.,Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Damanhour University, El-Beheira, Egypt
| | - Ayaka Okada
- Laboratory of Food and Environmental Hygiene, Cooperative Department of Veterinary Medicine, Gifu University, Gifu, Japan.,Education and Research Center for Food Animal Health, Gifu University (GeFAH), Gifu, Japan
| | - Yasuo Inoshima
- Laboratory of Food and Environmental Hygiene, Cooperative Department of Veterinary Medicine, Gifu University, Gifu, Japan. .,Education and Research Center for Food Animal Health, Gifu University (GeFAH), Gifu, Japan. .,The United Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan. .,Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan.
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Ebling R, Martins B, Jardim JC, Flores MM, Diel DG, Weiblen R, Flores EF. Late development of pustular, erosive lesions in the muzzle of calves inoculated with Pseudocowpox virus. Microb Pathog 2020; 143:104122. [PMID: 32169495 DOI: 10.1016/j.micpath.2020.104122] [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: 10/17/2019] [Revised: 02/21/2020] [Accepted: 03/06/2020] [Indexed: 10/24/2022]
Abstract
We studied the pathogenesis of Pseudocowpox virus (PCPV), a zoonotic parapoxvirus associated with mucocutaneous lesions in cattle. Inoculation of calves with PCPV isolate SD 76-65 intranasally (n = 6) or transdermally in the muzzle (n = 2) resulted in virus replication and shedding up to day 13 post-infection (pi). No local or systemic signs were observed in inoculated calves up to day 20pi, when the clinical monitoring was discontinued. However, from days 28-34 pi, seven (7/8) inoculated calves underwent an asynchronous clinical course characterized by development of a few (one or two) to countless papulo-pustular, erosive-fibrinous and scabby lesions in the muzzle, in some cases extending to the lips and gingiva. In some animals, the lesions coalesced, forming extensive fibrinotic/necrotic and scabby plaques covering almost entirely the muzzle. The clinical course lasted 8-15 days and spontaneously subsided after day 42pi. Infectious virus and/or viral DNA were detected in swabs collected from lesions of 5/8 animals between days 34 and 42pi. Histological examination of fragments collected from the muzzle lesions of two affected calves (day 36pi) revealed marked epidermal hyperplasia and severe orthokeratotic and parakeratotic hyperkeratosis, covered by thick scabs. The epidermis showed multifocal areas of keratinocyte coalescing necrosis and mild multifocal vacuolar degeneration. Sera of inoculated calves at 50pi showed partial virus neutralization at low dilutions, demonstrating seroconversion. The delayed and severe clinical course associated with virus persistence in lesions are novel findings and contribute for the understanding of PCPV pathogenesis.
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Affiliation(s)
- R Ebling
- Virology Section, Department of Preventive Veterinary Medicine, Federal University of Santa Maria, RS, Brazil; Programa de Pós-graduação Em Medicina Veterinária, UFSM, Brazil
| | - B Martins
- Virology Section, Department of Preventive Veterinary Medicine, Federal University of Santa Maria, RS, Brazil; Programa de Pós-graduação Em Medicina Veterinária, UFSM, Brazil
| | - J C Jardim
- Virology Section, Department of Preventive Veterinary Medicine, Federal University of Santa Maria, RS, Brazil
| | - M M Flores
- Veterinary Pathology Laboratory, Federal University of Santa Maria, Brazil
| | - D G Diel
- Department of Population Medicine and Diagnostic Sciences, Animal Health Diagnostic Center, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - R Weiblen
- Virology Section, Department of Preventive Veterinary Medicine, Federal University of Santa Maria, RS, Brazil
| | - E F Flores
- Virology Section, Department of Preventive Veterinary Medicine, Federal University of Santa Maria, RS, Brazil.
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Khalafalla AI, Elhag AE, Ishag HZA. Field investigation and phylogenetic characterization of orf virus (ORFV) circulating in small ruminants and Pseudocowpoxvirus (PCPV) in dromedary camels of eastern Sudan. Heliyon 2020; 6:e03595. [PMID: 32258461 PMCID: PMC7096746 DOI: 10.1016/j.heliyon.2020.e03595] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/12/2019] [Accepted: 03/11/2020] [Indexed: 02/08/2023] Open
Abstract
In this study, livestock herders in eastern Sudan were interviewed through structured questionnaire involved 14046 animals in 151 herds (87 camel herds, 51 sheep and 13 goats) from June to September of 2016 in Showak area of Gadarif State to get some epidemiological information on contagious ecthyma (CE) infection. 102 suspected cases of CE were investigated (38 sheep, 22 goats and 42 camels) by a second questionnaire focusing on age and sex of affected animals beside number and localization of the lesions. Representative tissue samples of scab lesion scrapings were collected from a total of 36 suspected sheep, goats and camels for DNA extraction to identify PPV by quantitative real-time PCR and gel-based PCR, then a PCR protocol was used to obtain DNA fragment of B2L gene from six DNAs (2 from each animal species) for sequencing. Phylogenetic tree based on nucleotide sequences was constructed and all data were analyzed statistically. Obtained result has shown morbidity rate of 23.8% and a case fatality rate of 4.7 % in overall investigated animals resulting in a significant economic loss. Within individual herd, the morbidity rate varied from 5.6 to 42.8%, while the case fatality rate ranged between 0 and 33.3%. Camels accounted for the highest case fatality rate with 6.5% compared to sheep and goats which their rates were 2.8% and 1.3%, respectively. 93% of the affected animals were young less than one-year-old. The prevalence of CE was high in the rainy season compared to winter and summer. Out of 36 scab materials collected from sheep, goats, and camels, 24 gave positive specific amplification in real-time PCR and 21 in the gel-based PCR. DNA sequencing confirmed the PCR results. All sequences had a high G + C content of 62.6-63.9%. A BLAST search also revealed that the studied sheep PPV (SPPV) isolates shared 99.08% nucleotide sequence intragroup identity, 96.88-97.27% identity with the goat PPV (GPPV) isolates and together they belong to the Orf virus (ORFV) species, while the camel PPV (CPPV) isolates are close to the Pseudocowpoxvirus (PCPV) species of the PPV genus and share 92.51-93.62 % identity with the GPPV isolates. In conclusion the present study demonstrated that the gross lesion produced by PPV in sheep, goats and camels is generally similar, yet the PPVs circulating in eastern Sudan in camels (PCPV) are genetically distinct from those affecting sheep and goats (ORFV). Contagious ecthyma in eastern Sudan causes significant morbidities and mortalities and control measures, guided by the results of this investigation ought to be implemented.
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Affiliation(s)
- Abdelmalik Ibrahim Khalafalla
- Department of Microbiology, Faculty of Veterinary Medicine, University of Khartoum, P. O. Box 32, Khartoum North, Shambat, Sudan
- Veterinary Laboratories Division, Animal Wealth Sector, Abu Dhabi Agriculture and Food Safety Authority P. O. Box 52150, Abu Dhabi, United Arab Emirates
| | - Ahmed Eisa Elhag
- Department of Preventive Medicine and Clinical Studies, Faculty of Veterinary Sciences, University of Gadarif, 32211 Sudan
- Department of Virology, Faculty of Veterinary Medicine, Ondokuz Mayis University, 55270 Samsun, Turkey
| | - Hassan Zackaria Ali Ishag
- Veterinary Laboratories Division, Animal Wealth Sector, Abu Dhabi Agriculture and Food Safety Authority P. O. Box 52150, Abu Dhabi, United Arab Emirates
- College of Veterinary Science, University of Nyala, Sudan
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Matsumoto H, Setoyama H, Matsuura Y, Ohtani A, Shimizu K, Okada A, Inoshima Y. Sequential detection of pseudocowpox virus and bovine papular stomatitis virus in a same calf in Japan. J Vet Med Sci 2019; 81:440-443. [PMID: 30674740 PMCID: PMC6451898 DOI: 10.1292/jvms.18-0367] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
We detected parapoxviruses from environmental samples and calves with and without intraoral clinical signs and conducted molecular and serological analyses. Pseudocowpox virus (PCPV) was
detected from a calf showing anorexia, frothy salivation, and erosion in the mucosa of the lip and tongue. At the time that PCPV was detected, bovine papular stomatitis viruses (BPSVs) were
detected in environmental samples as well as in calves without intraoral clinical signs. BPSV, but not PCPV, was detected in the same calf after 22 days. Phylogenetic analysis revealed that
genetically different PCPV strains exist in Japan. This is the first report on the detection of PCPV and BPSV sequentially in the same calf and coexistence of PCPV and BPSV in the same farm
in Japan.
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Affiliation(s)
- Haruna Matsumoto
- Miyazaki Livestock Hygiene Service Center, 3151-1 Shimonaka, Sadowara, Miyazaki, Miyazaki 880-0212, Japan
| | - Hironori Setoyama
- Miyazaki Livestock Hygiene Service Center, 3151-1 Shimonaka, Sadowara, Miyazaki, Miyazaki 880-0212, Japan
| | - Yuichi Matsuura
- National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan
| | - Akifumi Ohtani
- Yamaguchi Chubu Livestock Hygiene Service Center, 671-5 Kagawa, Yamaguchi, Yamaguchi 754-0897, Japan
| | - Kaori Shimizu
- Laboratory of Food and Environmental Hygiene, Cooperative Department of Veterinary Medicine, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan
| | - Ayaka Okada
- Laboratory of Food and Environmental Hygiene, Cooperative Department of Veterinary Medicine, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan.,Education and Research Center for Food Animal Health, Gifu University (GeFAH), 1-1 Yanagido, Gifu, Gifu 501-1193, Japan
| | - Yasuo Inoshima
- Laboratory of Food and Environmental Hygiene, Cooperative Department of Veterinary Medicine, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan.,Education and Research Center for Food Animal Health, Gifu University (GeFAH), 1-1 Yanagido, Gifu, Gifu 501-1193, Japan.,The United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan
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