Reduction of ammonia emissions from treated anaerobic swine lagoons
January 1, 2002By Ariel A. Szögi
There is a need for treatment technologies that can effectively address environmental concerns associated with manure in confined animal production, including accurate assessment of their...
Effects of stocking rate and crude protein intake during gestation on ground cover, soil-nitrate concentration, and sow and litter performance in an outdoor swine production system
January 1, 2002By J. J. McGlone
Pregnant gilts (n = 126) were assigned randomly to 12 0.4-ha old world-spar bluestem (Bothriochloa ischaemum) pastures in an outdoor swine (Sus scrofa) production system to examine effects of...
Influence of anaerobic pre-conditioning on phosphorus removal in swine manure by aeration
January 1, 2002By JUN ZHU
A feasibility study with three pre-conditioning times was carried out in Waseca, Minnesota, USA, to examine the effect of anaerobic pre-treatment on phosphorus removal by aeration. The results showed...
Dynamic simulation model of nitrogen fluxes in pig housing and outdoor storage facilities
January 1, 2002By P. Berthiaume
Many factors in pig production, including genetics, feeding efficiency, feed composition, feed distribution method, environmental control, and waste management, affect the nitrogen content of pig...
Removal of carbon, nitrogen, and phosphorus in pig manure by continuous and intermittent aeration at low redox potentials
January 1, 2002By JUN ZHU
A laboratory experiment was conducted to study the effect of intermittent and continuous aeration at an airflow rate of 0.0667 lmin-1 l-1 of manure on redox potential, pH, organic carbon, total...
Protocol Development for Measurement of Trace Gases Associated with Manure Storage and Odor
December 31, 2001By Wendy Powers
Quantification of odorous compounds associated with livestock odors has been difficult
in the past due to sensitivity limitations of available instrumentation. Advances in
instrumentation have helped...
Swine Health - General Disease
Efficacy of a Streptococcus Suis vaccine for the prevention of Streptococcus suis infection
November 8, 2001By Ogi E. Okwumabua
Ambient odour testing of concentrated animal feeding operations using field and laboratory olfactometers
November 1, 2001By B. D. Newby
The Missouri Air Conservation Commission regulations include regulations that limit the amount of acceptable odor from confined animal feeding operations (CAFOs). The regulations concerning odor...
Pork Quality
Modification of Pig Stunning Procedures to Improve Meat Quality
October 9, 2001By N.J. Simmons
Public Health - Other
Non-Occupational Human Health Effects of Gases, Particulate Matter and Bioaerosols Emitted from Confined Swine Production Facilities
September 20, 2001By Brent W. Auvermann PhD
