Journal ArticleDOI
Auditing and Assessing Air Quality in Concentrated Feeding Operations
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TLDR
The potential adverse effects of concentrated animal feeding operations (CAFO) on the environment are a growing concern as discussed by the authors, and the air quality issues of most concern to CAFO vary but generally include ammonia, hydrogen sulfide, particulate matter, volatile organic compounds, greenhouse gases and odors.About:
This article is published in The Professional Animal Scientist.The article was published on 2008-02-01. It has received 12 citations till now. The article focuses on the topics: Air pollutant concentrations & Air quality index.read more
Citations
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Journal ArticleDOI
Antibiotics, bacteria, and antibiotic resistance genes: aerial transport from cattle feed yards via particulate matter.
Andrew D. McEachran,Brett R. Blackwell,J. Delton Hanson,Kimberly J. Wooten,Gregory D. Mayer,Stephen B. Cox,Philip N. Smith +6 more
TL;DR: The extent to which antibiotics, antibiotic resistance genes (ARG), and ruminant-associated microbes are aerially dispersed via particulate matter (PM) derived from large-scale beef cattle feed yards was determined.
Environmental assessment tools for the evaluation and improvement of European livestock production systems
TL;DR: In this paper, the authors compare typical tools for environmental assessment of livestock production systems, and recommend selected indicators suitable for benchmarking, and demonstrate that a comparison of organic vs. conventional milk production and comparison of three pig production systems give different results, depending on the basis of the indicators (i.e., P-surplus on pig farms.
Journal ArticleDOI
BOARD-INVITED REVIEW: Fate and transport of bioaerosols associated with livestock operations and manures
TL;DR: Information is presented on zoonotic pathogens in animal wastes and the generation, fate, and transport of bioaerosols associated with animal feeding operations and land applied manures to help understand the off-site transport and diffusion of human and livestock diseases.
Journal ArticleDOI
Effect of Wind Tunnel Air Velocity on VOC Flux from Standard Solutions and CAFO Manure/Wastewater
TL;DR: In this article, the effect of wind velocity on VOC flux rates was quantified using a small rectangular wind tunnel (305 cm length, 152 cm width, 51 cm height).
Journal ArticleDOI
Variability of Ammonia and Methane Emissions from Animal Feeding Operations in Northeastern Colorado
Levi M. Golston,Da Pan,Kang Sun,Lei Tao,Mark A. Zondlo,S. J. Eilerman,S. J. Eilerman,Jeff Peischl,Jeff Peischl,J. Andrew Neuman,J. Andrew Neuman,Cody Floerchinger +11 more
TL;DR: The large sub-farm, site-to-site, and diurnal variabilities observed show the importance of measurements taken across these scales in order to derive representative emission factors.
References
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Journal ArticleDOI
Methane emissions from cattle.
TL;DR: Knowing the factors that impact methane production can result in the development of mitigation strategies to reduce methane losses by cattle and implementation of these strategies should result in enhanced animal productivity and decreased contributions by cattle to the atmospheric methane budget.
Journal ArticleDOI
The Cornell Net Carbohydrate and Protein System model for evaluating herd nutrition and nutrient excretion
Danny G. Fox,Luis O Tedeschi,T. P. Tylutki,James B. Russell,M.E. Van Amburgh,L.E. Chase,Alice N. Pell,Thomas R. Overton +7 more
TL;DR: The Cornell Net Carbohydrate and Protein System is a mathematical model that estimates cattle requirements and nutrient supply based on animal, environmental, and feed compositional information in diverse production situations to predict extent of ruminal fermentation, microbial protein production, post-ruminal absorption, and total supply of metabolizable energy and protein to the animal.
Book ChapterDOI
National Ambient Air Quality Standards
TL;DR: In this paper, the Clean Air Quality Standards (NAAQS) is defined in terms of six criteria pollutants, namely, particulate matter, sulfur oxides, carbon monoxide, nitrogen dioxide, lead, and photochemical oxidants (ozone).
Journal ArticleDOI
Biochemical Identification and Biological Origin of Key Odor Components in Livestock Waste
TL;DR: Multiple combinations of nutritional management, housing systems, treatment options as well as storage and disposal of animal wastes will be required to reduce environmental pollution and provide for long-term sustainable growth.
Journal ArticleDOI
Backward-Time Lagrangian Stochastic Dispersion Models and Their Application to Estimate Gaseous Emissions
TL;DR: In this article, a backward Lagrangian stochastic model is proposed to calculate an ensemble of fluid element (particle) trajectories that are distinguished by each passing through an observation point.