Environmental impact caused by fungal and particle contamination of Portuguese swine.

WIT Transactions on Biomedicine and Health Pub Date : 2013-04-23 DOI:10.2495/EHR130021

C. Viegas, S. Viegas, M. Almeida-Silva, C. Veríssimo, R. Sabino

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引用次数: 4

Abstract

Social concerns for environmental impact on air, water and soil pollution have grown along with the accelerated growth of pig production. This study intends to characterize air contamination caused by fungi and particles in swine production, and, additionally, to conclude about their eventual environmental impact. Fiftysix air samples of 50 litters were collected through impaction method. Air sampling and particle matter concentration were performed in indoor and also outdoor premises. Simultaneously, temperature and relative humidity were monitored according to the International Standard ISO 7726 – 1998. Aspergillus versicolor presents the highest indoor spore counts (>2000 CFU/m 3 ) and the highest overall prevalence (40.5%), followed by Scopulariopsis brevicaulis (17.0%) and Penicillium sp. (14.1%). All the swine farms showed indoor fungal species different from the ones identified outdoors and the most frequent genera were also different from the ones indoors. The distribution of particle size showed the same tendency in all swine farms (higher concentration values in PM5 and PM10 sizes). Through the ratio between the indoor and outdoor values, it was possible to conclude that CFU/m

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葡萄牙猪的真菌和颗粒污染对环境的影响。

随着养猪生产的加速增长，社会对空气、水和土壤污染的环境影响的关注也在增加。本研究旨在描述猪生产中由真菌和颗粒引起的空气污染，并进一步得出它们最终对环境的影响。采用内嵌法采集50窝56份空气样本。空气采样和颗粒物浓度在室内和室外进行。同时，根据国际标准ISO 7726 - 1998对温度和相对湿度进行监测。室内孢子数最多的是花色曲霉(>2000 CFU/ m3)，总体流行率最高(40.5%)，其次是短茎青霉菌(17.0%)和青霉(14.1%)。所有猪场的室内真菌种类与室外不同，最常见的属也与室内不同。各猪场颗粒粒径分布趋势一致(PM5和PM10粒径浓度较高)。通过室内外值之比，可以得出CFU/m

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WIT Transactions on Biomedicine and Health

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