Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences

PCV-3 and PCV-4 are novel viruses that can infect domestic pigs and wild boars. Both viruses are associated with multiple disorders in domestic pigs (reproductive failure, respiratory damage, etc.). However, the clinical impact on wild boars remains unknown. This study aimed to assess the presence o...

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Main Authors: Rocío Holgado-Martín, David Risco, Alfonso Ramos, Remigio Martínez-Pérez, Waldo Luis García-Jiménez, Javier Hermoso-De Mendoza, Luis Gómez
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Animals
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Online Access:https://www.mdpi.com/2076-2615/15/4/523
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author Rocío Holgado-Martín
David Risco
Alfonso Ramos
Remigio Martínez-Pérez
Waldo Luis García-Jiménez
Javier Hermoso-De Mendoza
Luis Gómez
author_facet Rocío Holgado-Martín
David Risco
Alfonso Ramos
Remigio Martínez-Pérez
Waldo Luis García-Jiménez
Javier Hermoso-De Mendoza
Luis Gómez
author_sort Rocío Holgado-Martín
collection DOAJ
description PCV-3 and PCV-4 are novel viruses that can infect domestic pigs and wild boars. Both viruses are associated with multiple disorders in domestic pigs (reproductive failure, respiratory damage, etc.). However, the clinical impact on wild boars remains unknown. This study aimed to assess the presence of these viruses in wild boars from mid-western Spain and their sanitary impact on the species. A total of 166 submandibular lymph nodes were collected from hunted wild boars, along with available information about their reproductive status, lung injuries, body condition, and tuberculosis status. The samples were used to detect PCV-3 and PCV-4 using real-time PCR. In total, 84.9% of the sampled animals were positive for PCV-3, and 33.7% were positive for PCV-4. The detection of PCV-4 was more frequent in wild boars that had received supplementary feeding, suggesting that the direct contact favored by this practice could increase the transmission of this virus in wild boar populations. The infections did not seem to influence the body condition, reproductive status, lung lesions, or TB lesion severity patterns in the studied animals. Thus, although these viruses have been widely detected throughout wild boar populations from the studied area, they do not seem to be a health threat to this species. Nevertheless, their monitoring in wild boars is recommended, as they are often in contact with extensively reared pigs, which are susceptible to these viruses.
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spelling doaj-art-fa2a8490c1914dbf9af941cb67b59fb02025-08-20T02:44:33ZengMDPI AGAnimals2076-26152025-02-0115452310.3390/ani15040523Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary ConsequencesRocío Holgado-Martín0David Risco1Alfonso Ramos2Remigio Martínez-Pérez3Waldo Luis García-Jiménez4Javier Hermoso-De Mendoza5Luis Gómez6Departamento de Medicina Animal, Unidad de Anatomía Patológica y Anatomía Comparada, Facultad de Veterinaria de Cáceres, Universidad de Extremadura, 10003 Cáceres, SpainDepartamento de Medicina Animal, Unidad de Anatomía Patológica y Anatomía Comparada, Facultad de Veterinaria de Cáceres, Universidad de Extremadura, 10003 Cáceres, SpainDepartamento de Matemáticas, Unidad de Estadística e Investigación Operativa, Facultad de Veterinaria de Cáceres, Universidad de Extremadura, 10003 Cáceres, SpainGrupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), Departamento de Sanidad Animal, UIC Zoonosis y Enfermedades Emergentes ENZOEM, Facultad de Veterinaria de Córdoba, Universidad de Córdoba (ROR code 05yc77b46), 14014 Córdoba, SpainDepartamento de Medicina Animal, Unidad de Anatomía Patológica y Anatomía Comparada, Facultad de Veterinaria de Cáceres, Universidad de Extremadura, 10003 Cáceres, SpainDepartamento de Salud Animal, Unidad Patología Infecciosa, Facultad de Veterinaria de Cáceres, Universidad de Extremadura, 10003 Cáceres, SpainDepartamento de Medicina Animal, Unidad de Anatomía Patológica y Anatomía Comparada, Facultad de Veterinaria de Cáceres, Universidad de Extremadura, 10003 Cáceres, SpainPCV-3 and PCV-4 are novel viruses that can infect domestic pigs and wild boars. Both viruses are associated with multiple disorders in domestic pigs (reproductive failure, respiratory damage, etc.). However, the clinical impact on wild boars remains unknown. This study aimed to assess the presence of these viruses in wild boars from mid-western Spain and their sanitary impact on the species. A total of 166 submandibular lymph nodes were collected from hunted wild boars, along with available information about their reproductive status, lung injuries, body condition, and tuberculosis status. The samples were used to detect PCV-3 and PCV-4 using real-time PCR. In total, 84.9% of the sampled animals were positive for PCV-3, and 33.7% were positive for PCV-4. The detection of PCV-4 was more frequent in wild boars that had received supplementary feeding, suggesting that the direct contact favored by this practice could increase the transmission of this virus in wild boar populations. The infections did not seem to influence the body condition, reproductive status, lung lesions, or TB lesion severity patterns in the studied animals. Thus, although these viruses have been widely detected throughout wild boar populations from the studied area, they do not seem to be a health threat to this species. Nevertheless, their monitoring in wild boars is recommended, as they are often in contact with extensively reared pigs, which are susceptible to these viruses.https://www.mdpi.com/2076-2615/15/4/523porcine circovirus 3porcine circovirus 4epidemiologywild boars
spellingShingle Rocío Holgado-Martín
David Risco
Alfonso Ramos
Remigio Martínez-Pérez
Waldo Luis García-Jiménez
Javier Hermoso-De Mendoza
Luis Gómez
Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences
Animals
porcine circovirus 3
porcine circovirus 4
epidemiology
wild boars
title Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences
title_full Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences
title_fullStr Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences
title_full_unstemmed Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences
title_short Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences
title_sort significant detection of porcine circovirus 3 and porcine circovirus 4 in wild boars from mid western spain without apparent sanitary consequences
topic porcine circovirus 3
porcine circovirus 4
epidemiology
wild boars
url https://www.mdpi.com/2076-2615/15/4/523
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