Animal Science - Sow Lifetime Productivity
Evaluation of lean content and trim of cull sows on their value at harvest
May 5, 2010By Ken Stalder
A study was conducted to estimate the lean content from the four USDA grades of cull sows, determine if standardized prediction equations for estimating cull sow lean content is possible and to...
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
PCV2 replication and disease enhancement through lymphocyte stimulation
April 19, 2010By Dr. Eileen Thacker
Porcine circovirus type 2 (PCV2) causes a number of diseases including PMWS. The number of pigs that are infected with PCV2 that go on to clinical disease is extremely variable. The exact mechanism...
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...
Swine Health - General Disease
Comparison of the level of protection and long-term duration of immunity induced by different commercial PCV2 vaccines and an experimental PCV1-2 live vaccine in conventional pigs
April 7, 2010By Tanja Opriessnig
The efficacy of commercial porcine circovirus type 2 (PCV2) vaccines and a live PCV1-2a chimeric vaccine were compared in conventional PCV2 positive piglets using a PCV2-PRRSV-PPV coinfection model....
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...
Animal Science - Breeding & Genetics
Large scale SNP association analyses of feed efficiency and longevity
February 25, 2010By Max Rothschild
Many traits financially important to hog producers are either expensive or time-consuming to measure or difficult to successfully select animals for based on low heritability of the targeted traits....
