National Pork Board Archives - Page 192 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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Concentration of respirable dust and bioaerosols and identification of certain microbial types in a hog-growing facility
In order to assess the effects of ventilation rate, temperature, relative humidity and source of air on bioaerosol levels and dust with particle size <10 micro m, a total of 120 pigs housed in 12...
Farrowing building air quality survey
Two hundred farrowing houses were surveyed to measure ammonia, relative humidity, total dust and temp. to determine the adequacy of pig housing ventilation. Research was carried out to determine the...
Methods for evaluating odor from swine manure
Two odor evaluation methods were tested during a 12-week dynamic experiment on the effects of a commercial additive on swine manure in anaerobic storage. One method was a rating method which combined...
Treatment of liquid swine manure in the sequencing batch reactor under aerobic and anoxic conditions
Laboratory studies were conducted on a sequencing batch reactor (SBR) for the treatment of screened liquid pig manure. The SBR was operated on the basis of a 24 h cycle at 6 and 90 days hydraulic...
Phosphorus movement through a coastal plain soil after a decade of intensive swine manure application
Understanding the movement of phosphorus (P) in soils receiving heavy animal waste application is important for nonpoint-source pollution control. We investigated both P accumulation in soil and...
Treatment of pig slurry using the pump-stirred aerator
An experimental aeration system, called a pump-stirred aerator (PSA) was tested. The PSA consisted of an 11 kw centrifugal pump circulating liquid to and from a 10 msuperscript 3 tank and injecting...
Spring runoff and drainage N and P losses from hog-manured corn
A two-year study was conducted to assess the effect of hog manure on the losses of nitrogen and phosphorus in runoff and drainage from grain-corn (Zea mays L.) plots, and the importance of spring...
Ammonia emissions from a large swine production complex
Observations were made of a 1000-sow pig complex in Virginia, USA, to determine atmospheric ammonia loadings. Comparisons were made with similar data from the Netherlands, where ammonia release was...
Electrostatic precipitation dust removal system for swine housing
The research objectives were to develop and evaluate a practical dust removal method for livestock housing using ionization and electrostatic precipitation. Prototype testing was conducted in an...
Measurement and impact of agricultural odors from a large scale swine production farm
With the move on a nationwide scale to greater centralization and specialization of swine production and consequent swine confinement, rural communities face the prospects of increasing odor impact...
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