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Detection of infectious agents in lungs of slaughtered pigs in association with cranioventral pulmonary consolidation

cris.lastimport.scopus2025-10-23T06:57:02Z
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dc.abstract.enIntroduction Respiratory diseases have a substantial impact on swine production worldwide. Understanding the relationship between gross lung lesions and the presence of infectious agents is crucial for developing effective disease control strategies that target both primary and secondary pathogens. Material and Methods A cross-sectional study was conducted on 22 pig farms in western Poland. Cranioventral pulmonary consolidation (CVPC) in slaughtered pigs was assessed, and 20 lung tissue samples were collected from each herd. The presence of common bacterial and viral respiratory pathogens was identified using PCR-based methods. Results The disorder was observed in 79.3% (95% confidence interval 75.3–82.8) of slaughtered pigs across all examined herds. The most frequently detected pathogens at both the herd and individual animal levels were Glaesserella parasuis, Mycoplasma hyopneumoniae and porcine circovirus 2. Co-infections involving two or more respiratory pathogens were prevalent, occurring in 100% of herds and 87.7% of individual pigs. Mean CVPC scores were significantly higher in pigs infected with Mycoplasma hyopneumoniae, Mycoplasma hyorhinis and porcine reproductive and respiratory syndrome virus 1. Conclusion These findings highlight the multifactorial nature of respiratory infections in pigs. Effective control measures should consider the high prevalence of co-infections and their impact on lung lesion severity to improve overall herd health and productivity.
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Nauk Przedklinicznych i Chorób Zakaźnych
dc.contributor.authorDors, Arkadiusz
dc.contributor.authorKlimowicz-Bodys, Małgorzata D.
dc.contributor.authorKuberka, Zbigniew
dc.contributor.authorNowak, Agnieszka
dc.contributor.authorZębek, Sylwia
dc.contributor.authorUrbaniak, Kinga
dc.contributor.authorSzymanek, Katarzyna
dc.contributor.authorRząsa, Anna
dc.date.access2025-10-02
dc.date.accessioned2025-10-02T13:01:57Z
dc.date.available2025-10-02T13:01:57Z
dc.date.copyright2025-09-22
dc.date.issued2025
dc.description.abstract<jats:title>Abstract</jats:title> <jats:sec> <jats:title>Introduction</jats:title> <jats:p>Respiratory diseases have a substantial impact on swine production worldwide. Understanding the relationship between gross lung lesions and the presence of infectious agents is crucial for developing effective disease control strategies that target both primary and secondary pathogens.</jats:p> </jats:sec> <jats:sec> <jats:title>Material and Methods</jats:title> <jats:p>A cross-sectional study was conducted on 22 pig farms in western Poland. Cranioventral pulmonary consolidation (CVPC) in slaughtered pigs was assessed, and 20 lung tissue samples were collected from each herd. The presence of common bacterial and viral respiratory pathogens was identified using PCR-based methods.</jats:p> </jats:sec> <jats:sec> <jats:title>Results</jats:title> <jats:p>The disorder was observed in 79.3% (95% confidence interval 75.3–82.8) of slaughtered pigs across all examined herds. The most frequently detected pathogens at both the herd and individual animal levels were <jats:italic>Glaesserella parasuis, Mycoplasma hyopneumoniae</jats:italic> and porcine circovirus 2. Co-infections involving two or more respiratory pathogens were prevalent, occurring in 100% of herds and 87.7% of individual pigs. Mean CVPC scores were significantly higher in pigs infected with <jats:italic>Mycoplasma hyopneumoniae, Mycoplasma hyorhinis</jats:italic> and porcine reproductive and respiratory syndrome virus 1.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusion</jats:title> <jats:p>These findings highlight the multifactorial nature of respiratory infections in pigs. Effective control measures should consider the high prevalence of co-infections and their impact on lung lesion severity to improve overall herd health and productivity.</jats:p> </jats:sec>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_act
dc.description.financecost1500,00
dc.description.if1,5
dc.description.number3
dc.description.points140
dc.description.versionfinal_published
dc.description.volume69
dc.identifier.doi10.2478/jvetres-2025-0049
dc.identifier.eissn2450-8608
dc.identifier.issn2450-7393
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/5157
dc.identifier.weblinkhttps://reference-global.com/article/10.2478/jvetres-2025-0049
dc.languageen
dc.pbn.affiliationveterinary science
dc.relation.ispartofJournal of Veterinary Research (Poland)
dc.relation.pages353-362
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enpigs
dc.subject.enlung lesions
dc.subject.encranioventral pulmonary consolidation
dc.subject.enMycoplasma hyopneumoniae
dc.subject.enPRDC
dc.titleDetection of infectious agents in lungs of slaughtered pigs in association with cranioventral pulmonary consolidation
dc.typeJournalArticle
dspace.entity.typePublication
project.funder.namesubwencja