publication . Other literature type . 1994

Persistence of porcine reproductive and respiratory syndrome virus infection in a swine operation.

Bilodeau, R; Archambault, D; Vézina, S A; Sauvageau, R; Fournier, M; Dea, S;
Open Access English
  • Published: 01 Oct 1994
A herd of Quebec seedstock pigs experienced in early 1992 a typical outbreak of porcine reproductive and respiratory syndrome (PRRS) associated with lesions of interstitial, proliferative and necrotizing pneumonia in weaned piglets. The nature of the infection was confirmed by serology using indirect immunofluorescence (IIF) and virus isolation in primary cultures of porcine alveolar macrophages (PAM). Farm production recovered after eight weeks of losses. In order to evaluate the persistence of infection in the herd, five SPF-piglets were introduced in two different sections of the PRRS-affected barn four months after the disappearance of clinical symptoms, and...
Medical Subject Headings: animal diseases
free text keywords: Research Article
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Other literature type . 1994
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