Swine Health - General Disease
Etiology of severe form of PMWS
June 1, 2009By Kelly Lager
The objectives of the project “Etiology of severe form of PMWS” were 1) Investigate the etiology of an apparent emerging disease complex known as “severe form of Post-weaning...
Swine Health - General Disease
Role of Role of F4/F18 negative E. coli in post-weaning diarrhea and edema disease
February 19, 2009By Nancy Cornick
Veterinary diagnostic laboratories recover E. coli strains from sick piglets (with and without other pathogens) that do not encode for commonly encountered fimbrial adhesins but do contain genes for...
Swine Health - General Disease
Comparison of the efficacy of sow vaccination versus piglet vaccination for PCV2 and evaluation of the impact of revaccination with a homologous PCV2 vaccine
February 6, 2009By R. Butch Baker
The objectives of this study were (1) to compare the efficacy of two different PCV2 vaccination protocols (maternally derived antibodies versus piglet vaccination) in a conventional PCV2 growing pig...
Swine Health - General Disease
Molecular Epidemiology of Porcine Circovirus in the US Swine Herd
February 2, 2009By Michael Murtaugh
Data from 187 finishing herds shows that PCV2 is nearly universally present as an active infection in finishing herds, often at moderate to high levels of viremia in the presence of anti-capsid...
Swine Health - General Disease
Head-to-head comparison of the level of protection and duration of immunity induced by different commercial and an autogenous PCV2 vaccine
January 30, 2009By Tanja Opriessnig
The study objectives were to compare the duration of immunity of commercially available, one and two dose, killed porcine circovirus type 2 (PCV2) vaccines. Sixty, 3.5-week-old pigs were randomly...
Swine Health - General Disease
Determination of the amount of PCV2 needed for intrauterine transmission and assessment of effect of PCV2 exposure (natural and vaccine) prior to insemination
January 30, 2009By Tanja Opriessnig
Porcine circovirus type 2 (PCV2) is associated with reproductive failure in pregnant female pigs; however, the role of PCV2 in semen has not been elucidated. To determine the significance of semen in...
Swine Health - General Disease
The effect of cross-fostering on the transfer of cellular and humoral maternal immunity to Mycoplasma hyopneumoniae
January 25, 2009By Thomas W. Molitor
Enzootic pneumonia resulting from Mycoplasma hyopneumoniae infections is an important disease to the US swine industry. Antibodies and immune cells specific to this agent can be detected...
Swine Health - General Disease
Development of a non-antibiotic selection vector for a live vaccine against PWD
January 20, 2009By Weiping Zhang
Porcine post-weaning diarrhea (PWD) continues causing substantial economic loss to swine producers. Vaccines strategy especially live attenuated vaccines could be the most effective and most...
Swine Health - General Disease
Application of an Epidemiologic Survey Tool for Lawsonia intracellularis
November 3, 2008By Connie Gebhart
The objective of this study was to develop a database of L. intracellularis genotypic types from various proliferative enteropathy outbreaks. This database will provide bioinformatics data...
Swine Health - General Disease
Improving Swine Health: Enhancing Humoral and Cell-Mediated Immunity Using Novel Polymer Adjuvants
November 2, 2008By Michael Wannameuhler
As commodity markets fluctuate and producer profit margins diminish, economic loss due to infectious disease become even more important to the survivability of operations. Vaccination continues to be...
