Page 180 – Pork Checkoff

Pork Checkoff Research

Research is at the heart of the National Pork Board’s mission and is funded by your Pork Checkoff dollars. Research is administered in all areas of pork production, processing, and human nutrition to develop a higher quality and more profitable product in the competitive meat protein market.

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Odor control in liquid swine and dairy manure with commercial products
In 5 experiments, single or regular addition of liquid polyphosphates (N 10%, P2O5 34%) at up to 4 ml/l to liquid dairy cattle or pig manure (TS 5-7%) did not reduce odour, COD or pH. Single or...
Soil carbon, nitrogen and phosphorus contents in maize plots after 14 years of pig slurry applications
Excessive applications of liquid pig manure (LPM) could result in nutrient accumulation in the soil, thereby increasing the potential for plant nutrient losses through movement in groundwater. The...
A scrubber to reduce livestock confinement building odors
The effectiveness of a cross-flow, packed-bed, wet scrubber for particle, ammonia, and odour removal from swine confinement building exhaust was evaluated. A prototype was designed to study the...
Corn response to six annual Cu-enriched pig manure applications to three soils
The increasing use of land application of organic wastes presents a potential pathway for metals to enter the environment and cause phytotoxicity. Studies to evaluate the response of corn (Zea mays...
Evaluation of commercial products for odor control and solids reduction of liquid swine manure
None.
An Anaerobic lagoon for swine manure and its effect on the groundwater quality in sandy-loam soils
None available.
Ammonia volatilization from liquid swine manure applied to cropland
Field experiments were conducted to determine the effects of rates and methods of liquid swine manure application on volatile NH3-N losses from cropland. A greenhouse study was conducted to determine...
Effect of arsanilic acid in swine diets on fresh waste production, composition and anaerobic decomposition
A complete random design experiment was conducted to determine the effect of arsanilic acid in wine diets on fresh waste production and composition and on decomposition of the waste stored in...
Modelling groundwater contamination from land-applied swine waste
A one-dimensional model based on the flow and convection/dispersion equations was developed to simulate water table fluctuations and nitrate distribution in a shallow unconfined aquifer during...
Efficacy of certain chemical and biological compounds for control of odor from anaerobic liquid swine manure
The effectiveness of various chemical and biological compounds in controlling the odors of anaerobically stored liquid manure was measured. The criteria for acceptable odor control were consistently...
Swine waste nutrient recovery system based on the use of thermal discharges
None available.
Swine manure and lagoon effluent applied to a temperate forage mixture. II. Rainfall runoff and soil chemical properties
Rates of swine (Sus scrofa domesticus) waste used for crop production must be sufficient to supply adequate nutrients but must not pose a surface or groundwater pollution hazard. To determine...
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