Swine Health - General Disease
Genomic Quasispecies Associated with the Persistence of PRRS Virus
March 26, 2004By David Benfield
What is the significance of these results for producers? First, the most likely primary site for replication of the PRRS virus is lymphoid tissue, either tonsil and/or lymph nodes. The early...
Pork Safety - Pre-Harvest
On-Farm Evaluation of Diet Acidification
March 24, 2004By James Pettigrew
Under the conditions of these experiments, lactic acid added to complex nursery diets does not improve growth performance and (or) health in weaned pigs in large groups on a commercial farm, in the presence or absence of dietary lactose.
Animal Well-being
Development of Computer Template(s) to Economically Assess Alternatives to Individual Housing of Gestating sows
March 22, 2004By Donald G. Levis PhD
The most widely used method of housing gestating sows in the United States is individual gestation stalls. However, the United States pork industry is undergoing pressure to eliminate the use of...
Public Health - Antibiotics & Resistance
Use of a pig-derived competitive exclusion culture as an alternative to antibiotics to control colibacillosis in weaned pigs
March 16, 2004By MS|Roger B. Harvey DVM
There are bacteria called E. coli that can cause disease and death in young pigs, particularly nursery-age ones. Although antibiotics have been used to treat the disease, the bacteria have become...
Animal Science
Economic Impact of PRRS on the Cost of Pork Production
March 5, 2004By James Kliebenstein
This study used a combination of techniques and data sources to arrive at the annual estimated cost of porcine reproductive and respiratory syndrome on the United States swine industry. By using a...
Pork Quality
Relationship between glycolytic oscillations and pork color and water-holding capacity
March 2, 2004By Matthew Doumit
A system was developed to monitor in vitro glycolysis catalyzed by pig skeletal muscle proteins. Oscillatory and non-oscillatory patterns of in vitro glycolysis were observed using muscle extracts...
Public Health - Antibiotics & Resistance
Effects of a commercial probiotic supplement on intestinal E. coli and growth in the weaned pig
February 28, 2004By Jeffery T. LeJeune
There are many products on the market sold as probiotics with label claims to enhance growth and production. Regulations governing the licensure, sale, and addition of these products to animal feeds...
Swine Health - General Disease
Assessment of Mycoplasma hyopneumoniae strain variability and relationship to virulence
February 26, 2004By F. Chris Minion
Mycoplasma hyopneumoniae isolated from different pig herds showed variation in disease potential. This is not unexpected since differences in disease symptoms occur widely in the field. There have...
Pork Quality
Pork Muscling Profiling Study 2002
February 13, 2004By Matthew Doumit
This research project evaluated a variety of pork quality attributes for each of 25 different muscles from 64 carcasses. The results identified several shoulder and ham muscles that have quality...
Public Health - Other Zoonotic Diseases
Fate and transport of E. coli in soil and subsurface settings: Swine Waste Management within the context of TMDL’s
February 4, 2004By Ronald F. Turco|Sylvie Brouder
The development of manure application recommendations has not taken into account the survival, movement and biotic interactions of bacteria in agricultural soils, and in fact may enhance survival of...