Design and evaluation of a regenerating scrubber for reducing animal house emissions
January 1, 2006By Sanjay B. Shah
Animal houses can emit substantial quantities of air pollutants. Compared with other pollutants, ammonia is emitted from animal houses in relatively large quantities and can have adverse public...
Phosphorus fractions in manure from growing pigs receiving diets containing micronized peas and supplemental enzymes
January 1, 2006By O.O. Akinremi
Different livestock feeds manipulations have been reported to reduce the total P concentration in manure. Information on the influence of these dietary manipulation strategies on the forms of P in...
Alum Settling and Filtration Treatment of Liquid Swine Manure
January 1, 2006By Mohamed Gamal El-Din
A physical/chemical treatment train, which involved preliminary settling for 24 h followed by coagulation/flocculation of supernatant, and filtration, was applied to raw flushed swine manure in...
UV inactivation of bacteria in raw and pre-treated liquid swine manure
January 1, 2006By Environmental Engineering|P. SINGH Department of Civil
The study was conducted to investigate the effectiveness of ultraviolet (UV) irradiation for inactivating coliform bacterial indicators in liquid swine manure samples using a laboratory-scale,...
Manure composition of swine as affected by dietary protein and cellulose concentrations
January 1, 2006
An experiment was conducted to investigate the effects of reducing, dietary CP and increasing dietary cellulose concentrations on manure DM, C, N, S, VFA, indole, and phenol concentrations....
Effects of cropping systems on NO3-N losses to tile drain
January 1, 2006By Kanwar
ABSTRACT: Diverse cropping systems can have significant impacts on nutrient losses through tile drain systems and to surface water bodies (rivers and streams). Increased transport
of nitrogen to...
Aerating grassland before manure application reduces runoff nutrient loads in a high rainfall environment
January 1, 2006By Agriculture and Agri-Food Canada|Pacific Agri-Food Research Centre|S. Bittman
The effect of mechanically aerating grassland before liquid manure application in the fall on surface runoff and transport of nutrients and solids was studied in a high rainfall area. The two...
Environment - Manure Storage / Application
Disposal of Swine Lagoon Sludge with Nutrient Recovery
December 21, 2005By M. Todd See
Gasification offers many advantages for processing undesirable waste materials. Tests on gasifier emissions reveal very low levels of NOx, SOx and volatile organic carbons in the flue gas, well...
Environment - Manure Storage / Application
Disposal of Swine Lagoon Sludge with Nutrient Recovery
December 21, 2005By Dr. M. Todd See
Sludge accumulation in lagoons reduces their treatment efficiency over time
and, ultimately, may cause the decommissioning of the lagoon. Gasification is an ideal
technology for sludge disposal since...
Pork Safety - Pre-Harvest
Control of Salmonella by segregated early weaning, topical disinfection and administration of sodium chlorate
December 15, 2005By Peter Bahnson
The results of this study document that sodium chlorate / nitrate / lactate, used alone or combination with early weaning and/or topical disinfection can be effective in reducing Salmonella...