Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1289/EHP283 |
Quantitative Microbial Risk Assessment for Spray Irrigation of Dairy Manure Based on an Empirical Fate and Transport Model | |
Burch, Tucker R.1,2; Spencer, Susan K.2; Stokdyk, Joel P.1; Kieke, Burney A., Jr.3; Larson, Rebecca A.4; Firnstahl, Aaron D.2; Rule, Ana M.5; Borchardt, Mark A.2 | |
2017-08-01 | |
发表期刊 | ENVIRONMENTAL HEALTH PERSPECTIVES |
ISSN | 0091-6765 |
EISSN | 1552-9924 |
出版年 | 2017 |
卷号 | 125期号:8 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | BACKGROUND: Spray irrigation for land -applying livestock manure is increasing in the United States as farms become larger and economies of scale make manure irrigation affordable. Human health risks from exposure to zoonotic pathogens aerosolized during manure irrigation arc not well understood. OBJECTIVES: We aimed to a) estimate human health risks clue to aerosolized zoonotic pathogens downwind of spray -irrigated dairy manure; and b) determine which factors (e.g., distance, weather conditions) have the greatest influence on risk estimates. METHODS: We sampled downwind air concentrations of manure -borne fecal indicators and zoonotic pathogens during 21 full-scale dairy manure irrigation events at three farms. We lit these data to hierarchical empirical models and used model outputs in a quantitative microbial risk assessment (QMRA) to estimate risk [probability of acute gastrointestinal illness (AGO] for individuals exposed to spray-irrigated dairy manure containing Campylobacter jejuni, enterohemorr]iagic Escherichia soli (EHEC), or Salmonella spp. RESULTS: Median risk estimates from :Monte Carlo simulations ranged from 1045 to 1042 and decreased with distance from the source. Risk estimates for Salmonella or EHEC-related AGI were most sensitive to the assumed level of pathogen prevalence in dairy manure, while risk estimates for C. jejuni were not sensitive to any single variable. Airborne microbe concentrations were negatively associated with distance and positively associated with wind speed, both of which were retained in models as a significant predictor more often than relative humidity, solar irradiation, or temperature. CONCLUSIONS: Our model -based estimates suggest that reducing pathogen prevalence and concentration in source manure would reduce the risk of AGI from exposure to manure irrigation, and that increasing the distance from irrigated manure (i.e., setbacks) and limiting irrigation to times of low wind speed may also reduce risk. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000413790600019 |
WOS关键词 | CLASS-B BIOSOLIDS ; LAND APPLICATION ; DOSE-RESPONSE ; INFECTION |
WOS类目 | Environmental Sciences ; Public, Environmental & Occupational Health ; Toxicology |
WOS研究方向 | Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Toxicology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/22562 |
专题 | 资源环境科学 |
作者单位 | 1.US Geol Survey, Wisconsin Water Sci Ctr, Marshfield, WI USA; 2.ARS, USDA, 2615 Yellowstone Dr, Marshfield, WI 54449 USA; 3.Marshfield Clin Res Fdn, Ctr Clin Epidemiol & Populat Hlth, Marshfield, WI USA; 4.Univ Wisconsin, Dept Biol Syst Engn, Madison, WI USA; 5.Johns Hopkins Bloomberg Sch Publ Hlth, Dept Environm Hlth Sci, Baltimore, MD USA |
推荐引用方式 GB/T 7714 | Burch, Tucker R.,Spencer, Susan K.,Stokdyk, Joel P.,et al. Quantitative Microbial Risk Assessment for Spray Irrigation of Dairy Manure Based on an Empirical Fate and Transport Model[J]. ENVIRONMENTAL HEALTH PERSPECTIVES,2017,125(8). |
APA | Burch, Tucker R..,Spencer, Susan K..,Stokdyk, Joel P..,Kieke, Burney A., Jr..,Larson, Rebecca A..,...&Borchardt, Mark A..(2017).Quantitative Microbial Risk Assessment for Spray Irrigation of Dairy Manure Based on an Empirical Fate and Transport Model.ENVIRONMENTAL HEALTH PERSPECTIVES,125(8). |
MLA | Burch, Tucker R.,et al."Quantitative Microbial Risk Assessment for Spray Irrigation of Dairy Manure Based on an Empirical Fate and Transport Model".ENVIRONMENTAL HEALTH PERSPECTIVES 125.8(2017). |
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