Environment - Other
Utilization of crystalline amino acids by the gut in growing
October 12, 2006By Nathalie L. Trottier
Conventional diets containing corn and soybean meal fed to growing pigs can be reduced in protein by replacing a portion of the protein with crystalline amino acids. Crystalline amino acids are of...
Utilization of crystalline amino acids by the gut in growing pigs
October 12, 2006By Nathalie L. Trottier
Excessive production of nitrogen from livestock production systems has place a strain on the environment. Methods to reduce nitrogen losses from farm animals will become necessary to ensure a...
Animal Well-being
The frequency of the HAL-1843 mutation of the RYR gene in dead and non-ambulatory/non-injured pigs on arrival at the packing plant.
October 11, 2006By Michael Ellis
The HAL-1843 mutation of the RYR gene (commonly called the “Stress” or “Halothane” gene) is associated with increased stress susceptibility and death loss in pigs. Death loss and...
Swine Health - PRRS
An Improved Method for PRRSV Surveillance and Monitoring
October 11, 2006By Jeffrey Zimmerman
Oral fluids are inexpensive to collect. Each pen sample requires a length of cotton rope, a plastic bag, and a snap-cap plastic tube. Labor costs include the time required to place and recover the...
Pork Safety - Pre-Harvest
Salmonella prevalence during the finishing production stage
October 10, 2006By Scott Hurd
This research project was conducted with the objective of determining if the Salmonella prevalence at the end of the finishing production stage correctly represents the Salmonella status of a lot, as...
Swine Health - PRRS
The role of downtime in pathogen contamination of swine facilities
October 9, 2006By Dr. Sandra Amass
The effectiveness of decontamination procedures and downtimes in reducing PRRSV and bacterial contamination of wean-finish and nursery rooms of a commercial swine farm was tested. The herd was...
Animal Science - Swine Nutrition
Aspects of yeast-based products in enhancing animal production
October 1, 2006By Christopher Mateo
Swine Health - PRRS
Modeling PRRS virus aerosol transmission within and between farms
October 1, 2006By Jeffrey Zimmerman
The objective of this research was to try to understand two major stages of aerosol transmission: 1) how much PRRSV is aerosolized by pigs and 2) how long does airborne PRRSV remain infectious. How...
Animal Science - Swine Nutrition
Critical Review of Acidifiers
September 29, 2006By James Pettigrew
The inclusion of various organic acids or their salts to diets improves the growth performance of pigs and helps in preventing scouring and high mortality post-weaning. The beneficial effects of...
Swine Health - PRRS
Evaluation of sampling and testing strategies for monitoring of PRRS virus infection in boar studs
September 7, 2006By Claudia Munoz-Zanai
Monitoring of boar studs for PRRS is critical to minimize the risk of transmission to sows via contaminated semen. However, current protocols for monitoring PRRSV in boar studs are diverse, sometimes...
