Assessment of a segregated medicated early weaning protocol for elimination of Actinobacillus pleuropneumoniae

Autor: Pablo Jesús Tamiozzo, Alicia Isabel Carranza, Bibiana Rosa Pelliza, Julián Parada, Arnaldo Ambrogi
Jazyk: English<br />Portuguese
Rok vydání: 2018
Předmět:
Zdroj: Ciência Rural, Vol 48, Iss 7 (2018)
Druh dokumentu: article
ISSN: 1678-4596
0103-8478
DOI: 10.1590/0103-8478cr20170367
Popis: ABSTRACT: To assess the success of a segregated medicated early weaning protocol for elimination of Actinobacillus pleuropneumoniae, ten consecutive batches of 100 pigs per batch weaned at 7-9 days of age were monitored at 21-22 weeks of age looking for presence of productive cough, presence of antibodies against the agent and pleuropneumonia-compatible lung lesions at slaughter. Also, whole tonsils were processed for A. pleuropneumoniae identification by both bacteriological isolation and nested-PCR using a direct method. Positive serological test (1.4%) and PCR (3.5%) results, suggested that A. pleuropneumoniae could not be eradicated in all batches, even using segregated medicated early weaning protocol.
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