Content tagged "ammonia"

Controlling Ammonia and Air Emissions in Poultry Facilities

Animal Manure Management Updated: May 30, 2017

Interested in knowing more about air emissions from poultry operations and why there is growing interest in reducing ammonia emission? What are current...

Using Wet Scrubber to Reduce Ammonia Emission from Broiler Houses

Research on mitigating the effects of animal feeding operations (AFOs) on air quality in the US has made great strides in recent years. Development of...

Evaluating the Impact of Ammonia Emissions from Equine Operations on the Environment

Animal Manure Management Updated: May 05, 2017

In the United States, animal agriculture is the largest source of ammonia (NH3) emissions that are a major air and water pollutant contributing to...

Factors Affecting Nitrous Oxide Emissions Following Subsurface Manure Application

Animal Manure Management Updated: February 14, 2017

[Abstract] Subsurface manure application is theoretically susceptible to greater denitrification losses and nitrous oxide (N2O) emissions compared to surface...

Air Emission and Energy Usage Impacts of No Pit Fans in a Wean to Finish Deep Pit Pig Facility

Animal Manure Management Updated: October 27, 2015

The objectives of this research project are to monitor the indoor air quality of a deep-pit; wean-to-finish pig building over one pig-growth cycle (six...

Diet Modification to Reduce Odors, Gas Emissions and Nutrient Excretions from Swine Operations

Animal Manure Management Updated: September 29, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Swine Use Area: Manure...

Odorgon: Overhead Spray System to Neutralize Odors

Dairy Animal Manure Management Updated: September 29, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Poultry, Dairy, Beef, ...

Technologies for Mitigating Ammonia Emissions from Animal Agriculture

Animal Manure Management Updated: September 29, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.

Effects of Dietary Manipulation on Ammonia Emissions

Animal Manure Management Updated: September 29, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Swine Use Area: Animal...

Mitigating Ammonia Emissions from Animal Agriculture

Animal Manure Management Updated: September 29, 2015

Air emissions from animal agriculture operations consist of many different gases as well as suspended particulates (dust or microbes). One of these gases,...

Effects of Sodium Bisulfate in Reducing Emissions from Dairy Cow Slurry

Dairy Animal Manure Management Updated: September 29, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Dairy Use Area: Animal...

Dietary Manipulation to Reduce Ammonia Emission from High-Rise Layer Houses

Animal Manure Management Updated: September 29, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Poultry (Layers) Use Area:...

Dietary manipulations to lower ammonia emission from laying-hen manure

Animal Manure Management Updated: September 29, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Poultry (Layers) Use Area:...

Litter Management Strategies in Relation to Ammonia Emissions from Floor-Raised Birds

Animal Manure Management Updated: September 28, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Poultry (Broiler and...

Practical Partial Biofiltration of Swine Exhaust Ventilation Air

Animal Manure Management Updated: September 25, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Swine Use Area: Animal...

Effects of EcoCalTM on Ammonia Emission from a High-Rise Layer House

Animal Manure Management Updated: September 25, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Poultry (Layers) Use Area:...

Management of Dairy Operations to Prevent Excessive Ammonia Emissions

Dairy Animal Manure Management Updated: September 25, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Dairy Use Area: Animal...

Characterizing Ammonia Emissions from Swine Farms in Eastern North Carolina – Part I. Conventional Lagoon and Spray Technology for Waste Treatment

Dairy Animal Manure Management Updated: September 25, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Swine Use Area: Manure...

Characterizing Ammonia Emissions from Swine Farms in Eastern North Carolina – Part II. Potential Environmentally Superior Technologies for Waste Treatment

Dairy Animal Manure Management Updated: September 25, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Swine Use Area: Manure...

Development of a New Manure Amendment for Reducing Ammonia Volatilization and Phosphorus Runoff from Poultry Litter

Animal Manure Management Updated: May 15, 2015

Adding alum to animal manures greatly reduces ammonia (NH3) emissions and phosphorus (P) runoff.  Improvements in poultry production, lower energy costs and...

Scientific Evidence Indicates that Reducing NOx Emissions is the Most Effective Strategy to Reduce Concentrations of Ammonium Nitrate, a Significant Contributor to PM2.5 Concentrations in California’s San Joaquin Valley

Animal Manure Management Updated: May 15, 2015

Recently there has been increased interest in regulating ammonia emissions to reduce PM2.5 ("fine" particles with an aerodynamic diameter less than 2.5...

Regulating Ammonia Emissions from Agriculture: Potential Pitfalls and Limitations

Animal Manure Management Updated: May 15, 2015

Currently, there is limited regulation of ammonia (NH3) emissions as a matter of federal policy.  The Clean Air Act (CAA) provides the federal authority for...

Open Lot Dairy Ammonia Losses and Nitrogen Balance: A New Mexico Study

Animal Manure Management Updated: May 15, 2015

Animal agriculture is a significant source of ammonia (NH3). Dairy cattle excrete most ingested nitrogen (N); most urinary N is converted to NH3, volatilized...

Poultry Digestion - Emerging Farm-Based Opportunity

Animal Manure Management Updated: April 29, 2015

While EPA AGSTAR has long supported the adoption of anaerobic digestion on dairies and swine farms, they have not historically focused on the use of...

On-Farm Evaluation of Wood bark-Based Biofilters in Terms of Mitigation of Odor, Ammonia, and Hydrogen Sulfide

Animal Manure Management Updated: March 18, 2015

Mitigating odor and gas emissions is a big challenge facing concentrated animal feeding operations. Biofiltrtion has been recognized as one of the most...

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.