National Pork Board Archives - Page 183 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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Dust concentrations and particle size distribution in an enclosed swine nursery
Dust levels in a mechanically ventilated swine nursery were measured for 13 sampling days over a six-week period during warm weather conditions. Mean daily room air temperature and relative humidity...
Soil microbial populations, community composition, and activity as affected by repeated applications of hog and cattle manure in eastern Saskatchewan
A field site near Humboldt, Saskatchewan, was annually treated with hog or cattle manure and cropped to canola, spring wheat, barley, and canola from 1997 to 2000. During each growing season, soil...
An on-farm swine waste treatment system for odor control, byproduct recovery and treated wastewater reuse in Hawaii
A prototype of a pig waste treatment system for a 240-270 pig operation was investigated for its potential of odour control, byproduct utilization and treated wastewater reuse. The high solid portion...
Effect of supplemental phytase and ideal dietary amino acid ratios in covered and hulless-barley-based diets on pig performance and excretion of phosphorus and nitrogen in manure
A total of 144 (72 barrows + 72 gilts) crossbred pigs were used to determine the effect of feeding supplemental phytase and ideal dietary amino acid ratios in covered barley (CB) or hulless barley...
Characterization of volatile organic emissions and wastes from a swine production facility
Analytical methods for monitoring the volatile organic compound (VOC) emissions, for defining atmospheric transport coefficients, and for monitoring solution phase chemistry have been developed to...
Swine wastewater treatment by media filtration
A media filter was constructed to treat swine wastewater after anaerobic lagoon treatment. The media filter consisted of a tank (1.5-m-diameter x 0.6-m-height) filled with marl gravel. The marl...
The hindrance in the development of pit additive products for swine manure odor control: a review
This paper reviews the literature on the development of pit additive products for swine manure odor control. It addresses the problems currently existing in the areas of both product designing and...
Removal of Salmonella and microbial indicators in constructed wetlands treating swine wastewater
Reductions of Salmonella bacteria and enteric microbial indicator organisms were measured in swine wastewater treated by a field-scale surface flow (SF) constructed wetland at a commercial hog...
Nitrogen cycling through swine production systems: ammonia, dinitrogen, and nitrous oxide emissions
Ammonia (NH3) emissions from animal systems have become a primary concern for all of livestock production. The purpose of this research was to establish the relationship of nitrogen (N) emissions to...
Controlling odor and volatile substances in liquid hog manure by amendment
Five commercial pit additive products were examined for effectiveness of controlling the release of odorous and volatile compounds from swine manure. pH, volatile fatty acids, total solids, total...
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