Swine Health - PRRS
PRRSV infection of pig macrophages
February 19, 2008By William Cafruny
A. Objectives. The objective of this small grant were to was to investigate the regulation of PRRSV infection in cultured pig macrophages. The purpose of the work was to learn more about how PRRSV...
Public Health - Other Zoonotic Diseases
E. coli O157:H7 prevalence and characterization from NAHMS 2006 swine fecal samples
February 13, 2008By Stan Bailey
The objectives of the current study were to use the 2006 swine NAHMS samples to determine the prevalence, antimicrobial characterization, and genetic profile of E. coli O157:H7 in the U.S. swine herd...
Environment - Other
Demonstrating Innovative Use of Precision Farming Technologies to Optimize Manure Nutrient Utilization and Reduce Environmental Concerns
February 8, 2008By Richard Wolkowski
Precision Agriculture Technologies are here to stay as more combines, applicators, and tractors are equipped with GPS receivers, steering systems and data recording systems. These technologies offer...
Animal Well-being
Comparison of Management Factors Affecting Aggression in Group Housed Sows
January 24, 2008By Harold Gonyou
If sows are maintained in similar groups from gestation to gestation, aggression is reduced compared to the other regrouping strategies tested. However, this method would not always be practical....
Animal Well-being
Comparison of Handling Attributes and Physiological Indicators of Stress and Welfare During Marketing of Pigs from Conventional Small Pens and Large Pen Auto Sort
January 4, 2008By Harold Gonyou
When handled through the same facilities, pigs from large and small groups required similar levels of force during handling. Difficult groups of pigs were encountered in both treatments. However,...
Swine Health - PRRS
Analysis of prevalent environmental conditions in cases of suspected PRRSV lateral transmission between pig farms
January 4, 2008By Robert Morrison
It is not uncommon for swine herds to become infected with PRRS virus with no obvious source of the infection. In such cases, the producer and veterinarian having explored all possible routes of...
Animal Science
Oxygen consumption and energy digestibility of soybean meal and corn or corn co-product diets fed to grow-finish swine
January 2, 2008By Wendy Powers
Diets containing corn or corn co-products were fed to swine over 6 feeding phases, starting at 18 kg bodyweight and concluding at market weight. The corn co-product diets contained increasing levels...
The effects of manure application on soil aggregation
January 1, 2008By C. S. Wortmann
Surface application of manure may increase the risk of phosphorus loss in runoff. Manure application, however, often results in increased soil aggregate stability with reduced runoff and erosion and,...
Antibiotic Losses in Leaching and Surface Runoff from Manure-Amended Agricultural Land
January 1, 2008By H. Dolliver
A 3-yr field study quantified leaching and runoff losses of antibiotics from land application of liquid hog (chlortetracycline and tylosin) and solid beef (chlortetracycline, monensin, and tylosin)...
Nitrogen mass balance in fields irrigated with liquid swine
January 1, 2008By S. C. Whalen
Over the past 15-years, swine-producing
confined animal feeding operations (CAFOs) have
proliferated throughout the Southeastern United
States, particularly in North Carolina. Waste at...
ELISA for Sulfonamides and Its Application for Screening in Water Contamination
January 1, 2008By W. SHELVER
Two enzyme-linked immunosorbent assays (ELISAs) were tested for their suitability for detecting sulfonamides in wastewater from various stages in wastewater treatment plants (WWTPs), the river into...
Reuse of concentrated animal feeding operation wastewater on agricultural lands
January 1, 2008
Concentrated animal feeding operations (CAFOs) generate large volumes of manure and manure contaminated wash and run-off water. When applied to land at agronomic rates, CAFO wastewater has the...
