Mycological Air Quality at Animal Veterinary Practice

Bulski, Karol; Frączek, K.

doi:10.54740/ros.2021.011

Cited by 3 publications

(3 citation statements)

References 16 publications

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“…The share of other isolated types of fungi, such as Aspergillus, Alternaria, Absidia, Epicoccum, Fusarium, Rhizomucor, Scopulariopsis, Trichoderma, did not exceed 31.4% of the total mycobiota of the air of the examined indoors. These results are consistent with data obtained in tests of other rooms, including residential and other commercial premises (Lee andJo 2006, Bulski andFrączek 2021). The literature on the subject shows that mold fungi, mainly of the genera Aspergillus, Cladosporium and Penicillium, may pose a particular threat to human health, as they are the most common cause of allergy to molds.…”

Section: Resultssupporting

confidence: 88%

Assessment of exposure to fungal aerosol in the lecture rooms of schools in the Lesser Poland region

2023

Archives of Environmental Protection

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The paper presents an assessment of the mycological air quality in classrooms of school buildings located in Lesser Poland. In 10 schools, 5 sampling points were designated: 4 indoors and 1 as an "outdoor background". A 6-stage Andersen impactor was used to collect fungal aerosol samples. During sampling, dust measurements were made (using the DustTrak II dust meter) as well as temperature and relative humidity. The predominant genera of fungi were determined by the MALDI-TOF MS method. The results indicated no statistically significant differences in indoor air fungal concentrations among the tested locations (p>0.05). The highest concentrations were observed in large classrooms (max. 2,678 CFU•m-3), however, these differences were not statistically significant across different types of school rooms (Kruskal-Wallis test: p>0.05). All rooms exhibited similar levels of fungal aerosol contamination. Relative air humidity had a significant influence on the number of microorganisms. The most frequently isolated fungi belonged to Cladosporium, Penicillium, and Aspergillus genera. Fungal aerosol concentrations in the tested classrooms did not exceed proposed limit values for this type of indoor environment. The results suggest that natural ventilation in classrooms is insufficient to ensure adequate microbiological quality of indoor air.

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Section: Resultssupporting

confidence: 88%

Assessment of exposure to fungal aerosol in the lecture rooms of schools in the Lesser Poland region

2023

Archives of Environmental Protection

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“…As far as the problem of bacterial intoxication inside livestock facilities is concerned, it has not been studied and explained in detail yet. Available literature provides data regarding a vet clinic (Bulski et al 2019) or facilities for other livestock animals, but not horses. Matković et al (2007) studied intoxication occurrence in the stable and reported that bioaerosol concentrations indoors were 73-fold to 102-fold higher depending on the time of the day.…”

Section: Discussionmentioning

confidence: 99%

Bacterial Aerosol, Particulate Matter And Microclimatic Parameters In The Horse Stables In Poland

Grzyb

Podstawski

Bulski

2021

Preprint

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Keeping horses in good condition requires providing them with living conditions that meet welfare requirements. These animals should be accommodated with suitable space, access to high nutritional fodder and water as well as a suitable microclimate in their shelters. When it comes to the environment in the stables, a serious problem is created by particulate matter (PM), that consists bacteria. High PM concentration may be responsible for developing multiple upper respiratory tract diseases in horses, including allergies and recurrent airway obstruction (RAO). In turn, these ailments may lead to decreasing equine physical and mental fitness. Additionally, people who spend time in the stables are exposed to the same harmful factors. The study was conducted in Udórz Stud Farm located in the southern region of Poland. The study was carried out in 2 different types of stables: 3 runners and 2 box stables. The research continued for 2 years and the samples were collected in each season. The bioaerosol samples were collected using a six-stage Andersen-Graseby cascade impactor to assess size distribution and concentrations of airborne bacteria. PM concentration was analyzed using the DustTrak™ II Aerosol Monitor 8530, while microclimate parameters were measured using the Kestrel 5000 Weather Meter. There are almost no studies concerning size distribution of airborne bacteria, individual PM factions and the impact of everyday handling on the changes in the bioaerosol and PM concentration. This preliminary study provided basic information on this subject. We have revealed a strong correlation between high PM and bacterial aerosol concentrations. Higher contamination levels were recorded in runners, as compared to box stables. The highest bacterial aerosol level was detected in the spring. The analysis of the fractions of the bacterial aerosol in the stables indicated the highest share of ultra-fine fraction (0.65–2.1), while respirable fraction (below 4.7 µm) exceeded 75%. It was established that the concentration of the bacterial aerosol inside the stables was many times higher than outside. It depended significantly on everyday activities undertaken in the stables, like feeding or cleaning. Taking the above into account, a different cleaning system should be developed (a wet cleaning system) and excrement should be removed more frequently.

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“…O Instituto Nacional de Segurança e Saúde Ocupacional da América e a Conferência Americana de Saúde Industrial Governamental (ACGIH) determinaram que o número total de partículas de bioaerossol em ambientes internos não deve exceder 1.000 UFC.m -3 , enquanto a contagem total cultivável de bactérias não deve ser superior a 500 UFC.m -3 (NIOSH, 1998;ACGIH, 1989;AIHA, 1996). Além disso, a Administração de Proteção Ambiental de Taiwan (EPA) declarou que para espaços públicos internos, a concentração de bactérias não deve ser superior a 1.500 UFC.m -3 , enquanto a concentração de fungos não deve exceder 1.000 UFC.m -3 (CHEN et al, 2016;BULSKI;FRACZEK, 2021). Entretanto, quando a razão de concentração interna/externa de fungos for menor ou igual a 1,3, o limite de concentração de fungos <1000 UFC.m -3 não se aplica (LU et al, 2018).…”

Section: Diaunclassified

Bioaerossóis e seus riscos à saúde ambiental em um pet shop

Leal,

Kume,

Navarrete

et al. 2023

FAAP

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Pesquisas realizadas em pet shops apontam contaminação microbiológica do ar por meio da exposição de bioaerossóis. O objetivo deste estudo foi analisar a presença de microrganismos em bioaerossóis de um pet shop em Fernandópolis/SP. Nos dias 21, 23 e 25/11/2022 foram colhidas amostras do ar por meio da exposição de placas de Petri contendo meios de cultura abertas por 30 min a 1,5 m do assoalho, na parte central da sala de trabalho, antes, durante e depois dos procedimentos de banho, tosa e secagem de cães. As placas foram incubadas a 37oC por 24-48h para crescimento de bactérias e leveduras, sendo em seguida realizada a contagem de Unidades Formadoras de Colônia e sua identificação por métodos bioquímicos convencionais. Durante o banho e tosa dos animais, a comunidade microbiana do ar foi quantitativamente superior e qualitativamente diferente das do início e do final do procedimento, fato esse que se repetiu nos três dias de análises. Os resultados indicaram resistência de Staphylococcus aureus aos antibióticos Ceftazidina, Tobramicina, Penicilina, Oxacilina e Eritrominina superior a 80% e 100% sensível à Amicacina. Concluiu-se que os bioaerossóis do pet shop avaliado apresentam elevada contaminação por microrganismos (Candida albicans, Staphylococcus aureus, Micrococcus sp, Bacillus sp e Escherichia coli) produzidos principalmente durante o banho, tosa e secagem de cães, o que eleva a preocupação quanto ao risco de transmissão de doenças por estes patógenos aos animais atendidos e aos humanos que estão no local e em contato direto com os bioaerossóis e com os equipamentos de trabalho.

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Mycological Air Quality at Animal Veterinary Practice

Cited by 3 publications

References 16 publications

Assessment of exposure to fungal aerosol in the lecture rooms of schools in the Lesser Poland region

Assessment of exposure to fungal aerosol in the lecture rooms of schools in the Lesser Poland region

Bacterial Aerosol, Particulate Matter And Microclimatic Parameters In The Horse Stables In Poland

Bioaerossóis e seus riscos à saúde ambiental em um pet shop

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