Journal
PESQUISA VETERINARIA BRASILEIRA
Volume 24, Issue 2, Pages 80-84Publisher
REVISTA PESQUISA VETERINARIA BRASILEIRA
DOI: 10.1590/S0100-736X2004000200006
Keywords
Salmonella; swine; lymph nodes; feces
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This study aimed to determine the prevalence of Salmonella positive pigs at slaughterhouses under federal inspection in Rio Grande do Sul, Brazil. Samples of feces and lymph nodes of 300 animals were collected in three different slaughterhouses, and submitted to bacteriological analysis. The prevalence of Salmonella carrier animals was 55.66%, being 17.6% of the animals Salmonella positive in lymph nodes, 18.3% in feces and 19.6% in both materials. Twenty-six different serovars were identified among 226 Salmonella isolates. The most prevalent serovars were: Typhimurium (24.3%), Agona (19.9%), Derby (13.2%) e Bredeney (12%). These results point out the need of control programs to reduce the prevalence of carrier pigs at slaughter.
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