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Sixty samples of chilled chicken carcasses submitted (30) and not submitted (30) to Brazilian inspection services were analyzed to investigate if inspected and non-inspected chilled carcasses represented different food safety risks in the region of Viçosa, MG, Brazil. The mean counts of indicator microorganisms (mesophilic aerobes, Enterobacteriaceae, total coliforms and Escherichia coli) of samples belonging to the inspected and non-inspected lots did not present significant differences (P>0.05). Also, no significant differences (P>0.05) were observed for the numbers of Salmonella spp. and E. coli (higher than 2log cfu g-1) between samples submitted or not to inspection. Statistical differences were observed between the two sample classes only for the numbers of mesophilic aerobes higher than 4 and 5log cfu g-1 (P<0.05). The obtained results indicated the limitations of microbiological parameters to differentiate inspected and non-inspected chilled chicken carcasses commercialized in the specific studied area. Sessenta amostras de carcaças de frango refrigeradas fiscalizadas (30) e não fiscalizadas (30) por serviços brasileiros de inspeção foram analisadas para investigar se carcaças refrigeradas inspecionadas ou não apresentam diferentes riscos alimentares na região de Viçosa, MG, Brasil. As médias de contagens de microrganismos indicadores de higiene (aeróbios mesófios, Enterobacteriaceae, coliformes e Escherichia coli) de amostras inspecionadas ou não inspecionadas não apresentaram diferenças significativas (P>0,05). Também não foram observadas diferenças significativas entre amostras inspecionadas e não inspecionadas com resultados positivos para Salmonella spp. e E. coli (contagens acima de 2log cfu g-1). Diferenças significativas (P<0,05) foram observadas somente entre os números de amostras com contagens de aeróbios mesófilos superiores a 4 e 5log cfu g-1. Os resultados obtidos indicam as limitações dos parâmetros microbiológicas para diferenciar carcaças de frango inspecionadas ou não na região específica onde o estudo foi conduzido

Inspected and non-inspected chilled chicken carcasses commercialized in Viçosa, MG, Brazil: microbiological parameters and Salmonella spp. occurrence