Pulmonary lesions with asteroid bodies in a pig experimentally infected with Actinobacillus pleuropneumoniae serovar 15.
Actinobacillus pleuropneumoniae
Splendore-Hoeppli material
asteroid body
intratracheally
serovar 15
Journal
The Journal of veterinary medical science
ISSN: 1347-7439
Titre abrégé: J Vet Med Sci
Pays: Japan
ID NLM: 9105360
Informations de publication
Date de publication:
19 Oct 2023
19 Oct 2023
Historique:
medline:
23
10
2023
pubmed:
24
8
2023
entrez:
23
8
2023
Statut:
ppublish
Résumé
Five pigs experimentally infected with Actinobacillus pleuropneumoniae serovar 15 isolated in our previous study were pathologically examined. One pig died at 2 days post inoculation (dpi) and four pigs were euthanized at 7 dpi. Autopsy revealed fibrinohemorrhagic pleuropneumonia in all pigs. Histopathologically, the lesions were characterized by extensive hemorrhage and necrosis, fibrin deposition, and multifocal abscesses composed of numerous neutrophils including oat cells and numerous Gram-negative bacilli. In one survived pig, asteroid body formation was confirmed in the lung. The bacteria within the abscesses and asteroid bodies were immunohistochemically positive for antiserum raised against A. pleuropneumoniae serovar 15. This is the first report describing porcine pleuropneumonia with asteroid bodies in a pig experimentally infected with A. pleuropneumoniae serovar 15.
Identifiants
pubmed: 37612056
doi: 10.1292/jvms.23-0202
pmc: PMC10600533
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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