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      Isolation of Salmonella spp. in captive Psittaciformes from zoos and a commercial establishment of Fortaleza, Brazil Translated title: Isolamento de Salmonella spp. em Psittaciformes de zoológicos e estabelecimento comercial de Fortaleza, Brasil

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          Abstract

          This study showed a low prevalence of Salmonellaspp. in captive psittacines from zoos and a commercial establishment of Fortaleza. None of the isolated serotypes (S. Lexington, S. Saintpaul and S. Newport) have yet been reported in Amazona aestiva, Ara chloropteraor Melopsittacus undulatus. However, the fact that most birds presented negative for Salmonellaspp. may not imply the absence of this pathogen in these birds, since the intermittent excretion is a well-known characteristic of this microorganism.

          Translated abstract

          A manutenção de aves em cativeiro reúne condições que favorecem a disseminação de doenças infecciosas, sendo a Salmonella uma dessas doenças infecciosas que acomete os psitacídeos. Portanto o objetivo do presente estudo foi isolar e identificar Salmonella spp. em Psittaciformes mantidos em criatórios comerciais e conservacionistas da Região Metropolitana de Fortaleza. Para o estudo, foram coletados swabs cloacais de 182 psitacídeos clinicamente sadios. Os resultados mostraram que três psitacídeos avaliados (1,65%) foram positivos: Amazona aestiva (Salmonella Lexington), Ara chloroptera (Salmonella Saintpaul) e Melopsittacus undulatus (Salmonella Newport). De acordo com a literatura científica, não há registro desses sorotipos em psitacídeos. Esta pesquisa evidenciou uma baixa prevalência de Salmonella spp. em Psittaciformes mantidos em criatórios comerciais e conservacionistas da Região Metropolitana de Fortaleza.

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          Characterisation of Salmonella enterica serotype Typhimurium isolates from wild birds in northern England from 2005 – 2006

          Background Several studies have shown that a number of serovars of Salmonella enterica may be isolated from wild birds, and it has been suggested that wild birds may play a role in the epidemiology of human and livestock salmonellosis. However, little is known about the relationship between wild bird S. enterica strains and human- and livestock- associated strains in the United Kingdom. Given the zoonotic potential of salmonellosis, the main aim of this study was to investigate the molecular epidemiology of S. enterica infections in wild birds in the north of England and, in particular, to determine if wild bird isolates were similar to those associated with disease in livestock or humans. Results Thirty two Salmonella enterica isolates were collected from wild birds in northern England between February 2005 and October 2006, of which 29 were S. enterica serovar Typhimurium (S. Typhimurium); one S. Newport, one S. Senftenberg, and one isolate could not be classified by serotyping. Further analysis through phage typing and macro-restriction pulsed-field gel electrophoresis indicated that wild passerine deaths associated with salmonellosis were caused by closely-related S. Typhimurium isolates, some of which were clonal. These isolates were susceptible to all antimicrobials tested, capable of invading and persisting within avian macrophage-like HD11 cells in vitro, and contained a range of virulence factors associated with both systemic and enteric infections of birds and mammals. However, all the isolates lacked the sopE gene associated with some human and livestock disease outbreaks caused by S. Typhimurium. Conclusion The wild bird isolates of S. enterica characterised in this investigation may not represent a large zoonotic risk. Molecular characterisation of isolates suggested that S. Typhimurium infection in wild passerines is maintained within wild bird populations and the causative strains may be host-adapted.
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            Assessment of Newcastle and infectious bronchitis pathogens, and Salmonella spp. in wild birds captured near poultry facilities

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              A importância da ordem Ciconiiformes na cadeia epidemiológica de Salmonella spp. para a saúde pública e a conservação da diversidade biológica

              A diversidade biológica é representada por todas as unidades da natureza e sua conservação diz respeito à sobrevivência da própria espécie humana. Uma das ameaças à sua conservação são as doenças infecciosas que afetam a fauna, dentre as quais se podee incluir a salmonelose como uma das mais importantes, especialmente para a avifauna. Aves de topo de cadeia alimentar como os Ciconiiformes podem ser potenciais reservatórios e disseminadores da Salmonella spp. para outras espécies silvestres e também para populações humanas e animais domésticos, podendo causar prejuízos à saúde pública e ao meio ambiente. Objetivou-se descrever a infecção ou doença por Salmonella sp., o seu agente etiológico e sua ocorrência em Ciconiiformes, bem como demonstrar a importância destas aves na cadeia epidemiológica silvestre desta zoonose, verificando os riscos para a saúde pública e para a conservação da diversidade biológica.
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                Author and article information

                Contributors
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                Journal
                abmvz
                Arquivo Brasileiro de Medicina Veterinária e Zootecnia
                Arq. Bras. Med. Vet. Zootec.
                Universidade Federal de Minas Gerais, Escola de Veterinária (Belo Horizonte )
                1678-4162
                June 2014
                : 66
                : 3
                : 965-968
                Article
                S0102-09352014000300965
                10.1590/1678-41626643
                3321df94-7c30-4965-a54e-a09bcc732d06

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-0935&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                Salmonella,Psittaciformes,Amazona aestiva,Ara chloroptera,Melopsittacus undulatus

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