Diagnosis and evaluation of fungi presence in the air of two different ventilation sytems for broiler houses

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dc.creatorACS Gigli
dc.creatorMS Baracho
dc.creatorIA Nääs
dc.creatorRA Silva
dc.creatorR Zago
dc.creatorFP Dall'Anese
dc.date2005
dc.date.accessioned2026-07-07T03:22:34Z
dc.descriptionIntensive broiler production in tropical climates requires adequate air circulation to control heat stress. Excess of air speed may lead to dust production and reduction of air quality and, consequently, production parameters. Brazilian regulations prohibit the presence of pathogens that may deteriorate air quality, and the presence of fungi in the air inside the poultry houses is limited to 750CFU/m³. The aim of this study was to evaluate the presence of fungi in two distinct types of broiler houses. The research compared two types of air ventilation: conventional (G1) and positive tunnel ventilation (G2). The fungi were collected using a dust sampling pump, with the air flow calibrated to 1.5 L/min. The filter impregnated with dust was submitted to growth for two days using five Petri dishes. Microbiology analysis showed that there were 1,239 CFU and 2,011 CFU in G1 and G2, respectively. The different genera of fungi found and their percentages were: Penicillium 29.16%, Aspergillus 37.5% and Fusarium 29.16% in G1 and Penicillium 33.34%, Aspergillus 26.64%, Fusarium 23.34% and Neurospora 3.34% in G2.
dc.formatapplication/pdf
dc.identifier1516-635X
dc.identifierhttps://www.redalyc.org/articulo.oa?id=179713986002
dc.identifier.urihttp://hdl.handle.net/123456789/431880
dc.languageen
dc.publisherFundação APINCO de Ciência e Tecnologia Avícolas
dc.relationhttp://www.redalyc.org/revista.oa?id=1797
dc.rightsRevista Brasileira de Ciência Avícola
dc.sourceRevista Brasileira de Ciência Avícola (Brasil) Num.4 Vol.7
dc.subjectAgrociencias
dc.titleDiagnosis and evaluation of fungi presence in the air of two different ventilation sytems for broiler houses
dc.typeartículo científico

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