Pork Quality
The influence of facility design and pre-sorting on the stress response and transportation losses of the market weight pig
May 3, 2010By Anna Johnson
Johnson et al. (2010) reported a 66 % reduction in transport losses in pigs raised in large pen configurations that were pre-sorted, however, the researchers could not determine if the transport loss...
Swine Health - General Disease
Epidemiological investigation of the role of retroviremia in endemic diseases of swine.
April 20, 2010By R. Butch Baker
Endogenous retroviruses are present in all bird and mammalian species including the pig. In humans most are benign but some are thought to be associated with genetic, autoimmune, and other...
Swine Health - General Disease
Investigations into the etiology of the sudden emergence of mulberry heart disease in pig herds across the U.S. in 2007
April 14, 2010By Tanja Opriessnig
Swine Health - General Disease
Influenza Vaccination of Pigs in the Presence of Maternally-Derived Antibodies
April 14, 2010By D.L. Hank Harris
A vaccine was constructed using a gene from swine influenza and structural genes from alphavirus as the vaccine backbone. This vaccine induced both immunity and strong protection when given to...
Environment - Air
Mitigation of ammonia from swine barns through UV treatment of exhaust air
March 18, 2010By William Jenks
The use of deep UV light was investigated for the purpose of reducing ammonia from barn exhaust. The objectives of the study included (1) determining the amount of 254 and/or 185 nm light required to...
Pork Safety - Pre-Harvest
Diagnosis and Prophylaxis of Clostridial Enteritides in Piglets
February 26, 2010By Alejandro Ramirez
In a study entitled “The economic cost of major health challenges in large US swine production systems” (Holtkamp D et. al. AASV proceedings, 2007), Clostridium perfringens type A was...
Pork Safety - Post-Harvest
Comparative Evaluation of Rapid Methods for Salmonella Detection in Pork
February 17, 2010By Irene V. Wesley
The goal of this study was to develop a single-step assay which combined all of the steps of conventional culture of Salmonella into a single well of a 48-deep well microtiter plate. The second goal...
Swine Health - PRRS
Optimization of the PRRSV antibody ELISA for use in oral fluid-based surveillance
February 4, 2010By Jeffrey Zimmerman
PRRSV, M. hyopneumoniae, influenza, PCV2, and other endemic pathogens continue to cause significant economic losses to U.S. swine producers. In part, the disease status quo is maintained by the...
Public Health - Antibiotics & Resistance
Effects of Subtherapeutic Antibiotics on Antibiotic Resistance and Virulence Gene Transfer in Swine Intestinal Bacteria
December 21, 2009By Steven Carlson
Subtherapeutic antibiotics have been used for decades as growth promotants and prophylactic agents. The following antibiotics are approved for use a feed additives in swine: tetracyclines,...
Environment - Air
Evaluation of the Effectiveness of the ISU Community Assessment Model in the Siting of Swine Production Units
December 14, 2009By Dr. Jay Harmon
It’s neither fun nor wise for rural communities to experience ongoing conflict related to odors from farming. The example of hog farming in Iowa provides a look at a conflict resolution tool...