Soil extractable phosphorus changes with time after application of fertilizer: II. Manure from swine fed modified diets
January 1, 2005
Little is known about how diet modification and manure amendments affect extractable P in soils, which can be related to runoff P. The objectives of this study were to determine if there were any...
Effects of room ozonation on air quality and pig performance
January 1, 2005By Lingying Zhao
Reducing odor emissions from swine farms to avoid complaints about odor nuisance is a major issue. Ozonation has been used to reduce odor in swine buildings, but little research exists on its...
Phosphorous Transformation in Pig Slurry Due to Diet and Continuous Aeration Treatments
January 1, 2005By Samuel K. Baidoo
The experiment was conducted to study the transformation of phosphorus (P) in slurry from pigs fed two different diets, a regular corn soybean meal diet with or without supplementation of 40% ...
Animal Well-being
The Effect of Space Allowance and Season on the Welfare of Early Weaned Piglets Under Commercial and Expermental transport conditions
December 13, 2004By Nora J. Lewis|S. Wamnes
Early weaning is a stressful period as reflected by high serum cortisol levels. Transport can add to this stress. In winter, cold environmental temperatures result in cold truck temperatures, lower...
Animal Well-being
Effects of Space Allowance on Group-Housed Dry Sows
December 10, 2004By Janeen L. Salak-Johnson PhD
These data provide further support that sow performance and productivity between those kept in crates and groups is similar. Overall, differences found between sows kept in crates and those in...
Animal Well-being
Strategies to Optimize Sow Longevity
December 3, 2004By Sandra Rodreguez
Early removal of sows from the herd due to mortality, health problems and low production is a major bottleneck in the swine industry that amounts to animal welfare and economic concerns due to...
Pork Safety - Pre-Harvest
Evaluation of Porcine Antimicrobial Peptides as Antibiotic Alternatives
December 1, 2004By Guolong (Glenn) Zhang
The widespread use of antibiotics for growth promotion and disease prevention in the livestock industry is posing food safety and public health concerns. Antimicrobial peptides that are effective in...
Swine Health - General Disease
A novel PRRS vaccine in a bacterial vector known to stimulate strong cell-mediated and humoral immunity
November 5, 2004By MVSc|PhD|Ramesh Vemulapalli BVSc&AH
The results of this research project suggest that, despite several unique, advantageous properties, Brucella abortus RB51 is not very useful for developing effective recombinant PRRS vaccines.
Animal Well-being
Impact of early weaning and photoperiod manipulation on sow and piglet welfare
November 3, 2004By Janeen L. Salak-Johnson PhD
Animals adapt more readily to photoperiod cues than other environmental cues since photoperiod is more predictable and consistent over time. Previous work has shown limited (if any) affects of...
Environment - Manure Storage / Application
Utilization of Crystalline Amino Acids by the Gut in Growing Pigs
November 1, 2004By Nathalie L. Trottier
Conventional diets containing corn and soybean meal fed to growing pigs can be reduced in protein when a portion of the protein can be replaced by crystalline amino acids. These amino acids allow the...
