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Salmonella spp. isolated by miniaturized most probable number and conventional microbiology in poultry slaughterhouses

Mion, Ligiani; Parizotto, Luana; Santos, Lilian Andriva dos; Webber, Bruna; Cisco, Isabel Cristina; Pilotto, Fernando; Rodrigues, Laura Beatriz; Pinheiro do Nascimento, Vladimir; Santos, Luciana Ruschel dos.
Acta sci. vet. (Online); 44: 01-05, 2016. tab
Artigo em Inglês | VETINDEX | ID: vti-722704


Background: Salmonella spp. are frequently isolated from fowls, and their detection in poultry products varies according to the breeding system and the slaughtering process, bringing risks to the consumer and compromising the marketability. The control of Salmonella in poultry slaughterhouses is based on the detection of bacteria, but the quantification of the agent would be important in assessing risk, as well as in obtaining data to determine the capacity of each step of the process to decrease or increase bacterial contamination. The aims of this study were to propose a method for the quantification of Salmonella in poultry slaughterhouses, frequency of isolation and serovars identified. Materials, Methods & Results: Twenty-one broiler flocks from seven federally inspected slaughterhouses in southern Brazil, totaling 1,071 samples, were assessed by miniaturized most probable number (mMPN) and conventional microbiology. The samples were collected in triplicate at 17 points, which included cloacae, transportation cages before and after sanitization, water (scald tank, supply, pre-chiller and chiller), and carcasses (before and after scalding, defeathering, rinsing, evisceration, final rinsing, chilling at 4ºC, and freezing at -12C for 24 h, 30 and 60 days). Typical Salmonella colonies were submitted to TSI, LIA, SIM, urea, and polyvalent anti-O antiserum tests [...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1