A review of ammonia emission mitigation techniques for concentrated animal feeding operations

PM Ndegwa, AN Hristov, J Arogo, RE Sheffield - Biosystems engineering, 2008‏ - Elsevier
Several approaches have been suggested and evaluated for reducing ammonia emissions
from excreted animal manure: reducing nitrogen excretion through dietary manipulation …

Air Quality Assessment in Pig Farming: The Italian Classyfarm

E Buoio, C Cialini, A Costa - Animals, 2023‏ - mdpi.com
Simple Summary Reducing the sources of stress on farms allows for enhanced animal
welfare and productivity. Aerial contaminants and pollutants that can be found in indoor …

Fuzzy comprehensive evaluation of multiple environmental factors for swine building assessment and control

Q **e, JQ Ni, Z Su - Journal of Hazardous Materials, 2017‏ - Elsevier
In confined swine buildings, temperature, humidity, and air quality are all important for
animal health and productivity. However, the current swine building environmental control is …

Ammonia and hydrogen sulfide in swine production

JQ Ni, AJ Heber, TT Lim - Air quality and livestock farming, 2018‏ - taylorfrancis.com
This chapter focuses on the two pollutants in swine production. Modern swine production is
a significant source of pollution gases. Ammonia (NH3) and hydrogen sulfide are among the …

Sampling and measurement of ammonia at animal facilities

JQ Ni, AJ Heber - Advances in Agronomy, 2008‏ - Elsevier
Scientific understanding and technical control of ammonia (NH 3) at animal facilities,
including animal buildings, feedlots, manure storages, and manure treatment plants, depend …

Evaluation and characterisation of Passive Infrared Detectors to monitor pig activities in an environmental research building

JQ Ni, S Liu, JS Radcliffe, C Vonderohe - Biosystems Engineering, 2017‏ - Elsevier
Highlights•Pig activities affect environment that also affects pig health and
productivity.•Passive Infrared Detector motion sensors were evaluated for pig activity …

Empirical model of odor emission from deep-pit swine finishing barns to derive a standardized odor emission factor

G Schauberger, TT Lim, JQ Ni, DS Bundy… - Atmospheric …, 2013‏ - Elsevier
Odor emission from swine housing is influenced by the herd characteristics and building
environment. The following three specific factors were identified as inputs to a swine house …

Evolution of NH3 Concentrations in Weaner Pig Buildings Based on Setpoint Temperature

MR Rodriguez, E Losada, R Besteiro, T Arango, R Velo… - Agronomy, 2020‏ - mdpi.com
Ammonia (NH3) concentration has seldom been used for environmental control of weaner
buildings despite its impact on environment, animal welfare, and workers' health. This paper …

Ammonia concentrations and emissions from finishing pigs reared in different growing rooms

A Costa - Journal of environmental quality, 2017‏ - Wiley Online Library
Even with the adoption of Best Available Techniques (BAT) standards, pig producers have
observed different degrees of fouling on the floor during the finishing phase. These …

Long-term measurement of piglet activity using passive infrared detectors

R Besteiro, T Arango, J Ortega, MD Fernández… - Animals, 2021‏ - mdpi.com
Simple Summary The activity of weaned piglets on a commercial farm was measured using
passive infrared detectors during six breeding cycles. Highly heterogeneous daily behaviors …