ArticleJournal of environmental quality
Concentration of volatile organic compounds within indoor dairy facilities.
Article in Journal of environmental quality. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Concentration of volatile organic compounds within indoor dairy facilities.Journal of environmental qualityArticle
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Authors and funding
5 authors.
Funding
Abstract
Volatile organic compounds (VOCs) are important components of indoor air quality in dairy production systems, yet information on their spatial distribution and dominant compounds within enclosed barns and milking parlors remains limited. This study aimed to characterize VOC profiles and quantify concentrations across indoor locations in commercial dairy facilities operating under different housing and ventilation configurations. Air samples were collected from cow housing barns and milking parlors at two commercial dairies in Weld County, Colorado, including a mechanically tunnel-ventilated barn with a rotary milking parlor (Farm A) and a naturally ventilated barn with an automated milking system (Farm B). Weekly integrated air samples were obtained using evacuated 6-L stainless steel canisters deployed for a 7-day sampling period. Canisters were positioned at three locations within each barn and at the center of each milking parlor, while temperature, relative humidity, and wind speed were recorded simultaneously. A total of 52 VOC species were consistently detected across both dairies. Gas measurements in the barns were averaged by location and ranked by concentration to represent overall conditions. Methane, ethane, and propane were the most abundant compounds in both farms' barns and milking parlors. Hydrocarbons, including n-butane, n-pentane, and i-butane, as well as acetonitrile, were consistently detected but varied in relative ranking across locations. Spatial variability within barns revealed distinct concentration patterns associated with sampling position. These findings provide characterization of VOC composition in indoor dairy environments and highlight the importance of spatial sampling for identifying dominant compounds, which might help to improve air quality.
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