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Year 2013 - Volume 33, Number 8
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Outbreak of salmonellosis by serovar Dublin in calves in the State of Maranhão, Brazil, 33(8):983-988
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ABSTRACT.- Marques A.L.A.M., Simões S.V.D., Garino Jr F., Maia L.A., Silva T.R., Riet-Correa B.R., Lima E.F. &, Riet-Correa F. 2013. [Outbreak of salmonellosis by serovar Dublin in calves in the State of Maranhão, Brazil.] Surto de salmonelose pelo sorovar Dublin em bezerros no Maranhão. Pesquisa Veterinária Brasileira 33(8):983-988. Hospital Veterinário, Centro de Saúde e Tecnologia Rural, Universidade Federal de Campina Grande, Patos, PB 58700-000, Brazil. E-mail: saravilar@bol.com.br
An outbreak of salmonellosis due to Salmonella enterica subsp. enterica sorovar Dublin is reported in calves in a farm in the municipality of Timon, state of Maranhão. From a total of 62 calves, 22 (35.5%) were affected and 9 (40.9%) died. Clinical signs were fever, depression, anorexia, and, in some cases, respiratory, neurological or enteric signs, or arthritis. The clinical manifestation period was hyperacute to subacute. Main gross lesions were enlarged liver and spleen, and presence of exudate in the cavities. Histologically, paratyphoid granuloma were seen in the liver, kidney, and spleen. Thrombosis and bacterial aggregates in blood vessels were observed in various organs. After the realization of the antibiogram the outbreak was controlled by adoption of appropriate antibiotic therapy combined with the correction of sanitary measures. |
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