National Pork Board Archives - Page 188 of 198 - 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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Environment - Water Usage / Conservation
A method to evaluate appropriate nipple drinker flow rates for pigs
A method was developed for measuring how different water flow rates from nipple drinkers affect the actual rates of water intake and spillage by pigs. A combination of video and electronic techniques...
Removal of airborne swine dust by electrostatic precipitation
An electrostatic precipitator used in conjunction with a recirculation duct was developed to remove airborne pig dust from an environmental chamber. The collection efficiency of the precipitator was...
Removal of nitrogen from swine manure wastewaters by ammonia stripping
Laboratory-scale experiments were undertaken to investigate aeration and air stripping as methods for removing ammonia from swine waste waters with high nitrogen contents. The effects of temperature,...
Effects of swine lagoon effluent relative to commercial fertilizer applications on warm-season forage nutritive value
Two field experiments were conducted to evaluate the effects of comparable rates of swine lagoon effluent and commercial fertilizer at different harvest dates on dry matter yield and nutritive value...
Evaluation of nitrogen isotopes as indicators of nitrate contamination sources in an agricultural watershed
Determining the relative contributions of nitrate contamination in agricultural watersheds characterized by applications of both mineral and animal waste nitrogen to fields is important in...
Mathematical Modeling of Phosphorus Losses from Land Application of Hog and Cattle Manure
Mathematical models may provide a means to estimate phosphorus (P) losses from land application of manure. Phosphorus losses typically occur during brief episodes of runoff and erosion. Models must...
Comparability of anaerobic swine lagoon effluent to commercial fertilizer on soil nutrient dynamics
The effects of swine effluent relative to commercial fertilizer on nutrient dynamics in two soils were studied in Mississippi, USA. Swine effluent and commercial fertilizer were applied to...
A computer model for predicting ammonia release rates
A computer model for predicting ammonia release rates from manure pits in pig buildings is presented. The model couples ammonia diffusion and generation in the manure with ammonia release from the...
Gaseous nitrogen emissions from anaerobic swine lagoons: ammonia, nitrous oxide, and dinitrogen gas
Seventy-five percent of swine (Sus scrofa) production systems in North America use anaerobic or liquid-slurry systems for waste holding or disposal. Accurate emissions data and emission factors are...
Removal of ammonia and odors from contaminated air in animal houses by a ferroelectric plasma reactor
The objective of this work was to develop an electric air-cleaning system for animal houses. An a.c.-powered ferroelectric packed-bed plasma reactor was tested to destroy ammonia and odours in the...
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