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Antimicrobial resistance profile of Salmonella Heidelberg isolated from a poultry slaughterhouse in 2005 and 2009 / Perfil de resistência a antimicrobianos por Salmonella Heidelberg isoladas de abatedouro avícola em 2005 e 2009

Mion, Ligiani; Colla, Fernanda Lúcia; Cisco, Isabel Cristina; Webber, Bruna; Diedrich, Luísa Neukamp; Pilotto, Fernando; Rodrigues, Laura Beatriz; Nascimento, Vladimir Pinheiro do; Santos, Luciana Ruschel dos.
Acta sci. vet. (Online); 42: Pub. 1197, 23 jun. 2014. graf
Artigo em Português | VETINDEX | ID: vti-31108


Background: Salmonella spp. is recognized as being one of the most common bacterial causes of food-borne illness spreadon poultry production due to easy adaptation to environment and diffi cult to eradicate. In poultry production system antimicrobials are added in feed as growth promoters in continuous and sub-therapeutic doses, inducing a selective pressure andconsequent antimicrobial resistance. This management causes public health problems to disseminate resistant pathogensthrough food chain and reduce the options of treatment of bacterial infections.Materials, Methods & Results: The samples were isolated in a poultry slaughterhouse under Federal Inspection in amonitoring, research and quantifi cation project of Salmonella spp in critical control points in slaughterhouse. Adaptedmethodology was used for quantifi cation of Salmonella as follows: swabs and cages were placed in 50 mL of peptonewater buffered 1% (PW 1%) and incubated at 37ºC for 12 h; for the analysis of water 100 mL were inoculated in 50 mL ofpeptone water buffered in triple concentration and incubated at 37ºC for 12 h; the chickens and carcasses were packed insterile bags with a capacity of 4000 mL, added 150 mL of peptone water buffered 1%, agitated manually for one minuteand the rinsing broth incubated by 12 h at 37ºC. After hatching were made decimal dilutions Rapapport Vassiliadis broth(RV), inoculated 1 mL in 9 mL of RV broth until 10-3 dilution and incubation for 12 h at 41°C in a water bath with agitation. After this period 100 µL of RV broth were seeded in Agar Rambach and Agar XLD and the plates incubated at 37ºCfor 12 h. Salmonella-like growth were placed in Agar Rambach and confi rmed as Salmonella to biochemical tests (TSI,LIA, urea broth) and assayed for polyvalent antiserum to Salmonella. The fi nal identifi cation of the samples was carriedout by the Polymerase Chain Reaction (PCR, Premi® Test Salmonella DSM). Were selected 20 samples of Salmonella...(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1