| comparison of 2 serologic tests for the diagnosis of porcine proliferative enteropathy. | the purpose of this study was to compare results from 2 serological assays at the individual- and herd-level for porcine proliferative enteropathy diagnosis. cohen's kappa coefficient (k) was used to measure agreement. the tests tend to show better agreement when used at the herd level. | 2005 | 16018563 |
| seroprevalence of lawsonia intracellularis in different swine populations in 3 provinces in canada. | porcine proliferative enteropathy caused by lawsonia intracellularis is an important enteric disease in swine throughout the world. information regarding the distribution of this pathogen in canadian swine herds would be beneficial for the creation of control protocols. pigs from ontario, quebec, and alberta were tested by using an indirect immunofluorescence assay for antibodies to l. intracellularis. pig seroprevalence was calculated as the proportion of pigs positive from total pigs tested in ... | 2007 | 17310623 |
| an outbreak of lawsonia intracellularis infection in a standardbred herd in ontario. | an outbreak of protein-losing enteropathy associated with lawsonia intracelluaris infection was diagnosed in 6 standardbred foals from a farm in ontario. wildlife exposure may have been involved in the perpetuation of disease in this outbreak. the clinical presentation, treatment, outcomes, and pathological findings are described. | 2007 | 17966333 |