Cases of high mortality in cull sows and feeder pigs associated with
Streptococcus equi subsp. zooepidemicus
septicemia
swine
Journal
Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc
ISSN: 1943-4936
Titre abrégé: J Vet Diagn Invest
Pays: United States
ID NLM: 9011490
Informations de publication
Date de publication:
Jul 2020
Jul 2020
Historique:
pubmed:
14
6
2020
medline:
20
11
2020
entrez:
14
6
2020
Statut:
ppublish
Résumé
Investigations of 2 cases of high mortality in cull sows and feeder pigs from a buying station in Ohio and cull sows at an abattoir in Tennessee were conducted at the Iowa State University Veterinary Diagnostic Laboratory. The animals were presented as weak, lethargic, and some with high fever. Rapidly escalating mortality was reported to be as high as 30-50% within groups at the buying station over 8-10 d, and 30-40% over 5-7 d at the abattoir. Splenomegaly and red lymph nodes were the most consistent macroscopic findings, with scant fibrinous polyserositis observed in one sow. The microscopic lesions of vasculitis, fibrin thrombi, fibrinosuppurative polyserositis, and intralesional bacteria were consistent with acute bacterial septicemia. Bacterial culture isolated
Identifiants
pubmed: 32532177
doi: 10.1177/1040638720927669
pmc: PMC7438661
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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