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Antibiotic resistance assessment in bacteria isolated in migratory Passeriformes transiting through the Metaponto territory(Basilicata,Italy)

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Avian Research 2017年第4期8卷 255-265页

作者： Maria Foti Antonietta Mascetti Vittorio Fisichella egidio fulco Bianca Maria Orlandella Francesco Lo Piccolo Department of Veterinary Sciences University of MessinaPolo Universitario dell’Annunziata98168 MessinaItaly Naturalistic Study Milvus Pantano Street 13485010 PignolaPZItaly

Background: Wild birds are considered to be reservoirs of human enteric pathogens and vectors of antimicrobial resistance dissemination in the *** their annual migration,they play a potential role in the epidemiology of human associated *** aim of this study was to investigate the frequency of isolation and antimicrobial susceptibility profiles of microorganisms found in the cloaca of common European ***: One hundred and twenty-one cloacal swabs were collected during a monitoring program of migratory birds in the Forest Reserve for Protection "Metaponto"(Basilicata,Italy).All samples were cultured using standard bacteriological methods and antibiotic susceptibility testing(agar disk diffusion test) of isolated strains was ***: The bacteriological analysis produced 122 strains belonging to 18 different *** most commonly isolated species were Enterobacter cloacae and Providencia rettgeri(21 strains,17.2%).Potentially pathogenic species including Klebsiella pneumoniae,Serratia marcescens and Pseudomonas *** also been *** showed significant frequencies of antimicrobial *** highest frequency of resistance was observed against amoxicillin(n = 79,64.8%);ampicillin(n = 77,63.1%);rifampicin(n Thirty-one strains(25.4%) showed resistance to imipenem a= 75,61.5%);amoxicillin–clavulanic acid(n nd 8(6.6%) to meropenem.= 66,54.1%).Conclusions: Migratory birds play an important role in the ecology,circulation and dissemination of potentially pathogenic antimicrobial resistant *** can therefore be considered sentinel species and environmental health *** results suggest that the integration of epidemiological surveillance networks during ringing campaigns of wild species can be an effective tool to study this phenomenon.

关键词： Passeriformes Cloacal swabs Bacteriological test Antimicrobial resistance

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Home,dirty home:effect of old nest material on nest-site selection and breeding performance in a cavity-nesting raptor

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Current Zoology 2018年第6期64卷 693-702页

作者： Stefano PODOFILLINI Jacopo G.CECERE Matteo GRIGGIO Andrea CURCIO Enrico L DE CAPUA egidio fulco Simone PIRRELLO Nicola SAINO Lorenzo SERRA Matteo VISCEGLIA Diego RUBOLINI Dipartimento di Scienze e Politiche Ambientali Universita degli Studi di Milanovia Celoria 26MilanoI-20133Italy Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA) Ozzano Emilia (BO)Italy Dipartimento di Biologia Universita degli Studi di PadovaItaly Provincia di Matera -Parco della Murgia Materana Italy Studio Naturalistico Milvus Pignola (PZ)Italy De Rerum Natura Montescaglioso (MT)Italy

The quality of a breeding site may have major fitness consequences.A fundamental step to understanding the process of nest-site selection is the identification of the information individuals use to choose high-quality nest *** secondary cavity-nesting bird species that do not add nest lining material,organic remains (faeces,pellets)accumulated inside nest cavities during previous breeding events may be a cue for high-quality nest-sites,as they contain information about past successful breeding and may improve thermal insulation of eggs during ***,cavities in which breeding was successful might also contain more nest-dwelling ectoparasites than unoccupied cavities, offering an incentive for prospective parents to avoid *** exposed breeding cavity-nesting lesser kestrels (Falco naumanni)to nestbox dyads consisting of a dirty (with a thick layer of organic substrate) and a clean nestbox (without organic material).Dirty nestboxes were strongly preferred,being occupied earlier and more frequently than clean *** success in dirty nestboxes was significantly higher than in clean ones,suggesting a positive effect of organic nest material on incubation efficiency, while nestbox dirtiness did not significantly affect clutch and brood *** from dirty nestboxes had significantly higher ectoparasite load than those from clean nestboxes soon after egg hatching,but this difference was not evident a few days *** substrate did not significantly affect nestling *** concluded that nest substrate is a key driver of nest-site choice in lesser kestrels,although the adaptive value of such a strong preference appears elusive and may be context-dependent.

关键词： Camus hemapterus ectoparasites nestbex nest substrate nest-site selection

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