The temporal relationship of fecal shedding of Lawsonia intracellularis and seroconversion in field cases
James Mark Hammer, DVM
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In a cross-sectional study in nine herds, the interval between earliest detection of Lawsonia intracellularis by fecal polymerase chain reaction (at 6 to 23 weeks of age) and seroconversion (immunoperoxidase monolayer assay at 12 to 27 weeks of age) ranged from 2 to 8 weeks (mode, 2 weeks).
Keywords: porcine proliferative enteropathy,Lawsonia intracellularis, polymerase chain reaction, immunoperoxidase monolayer assay, PPE, PCR
Cite as: Hammer JM. The temporal relationship of fecal shedding of Lawsonia intracellularis and seroconversion in field cases. J Swine Health Prod 2004;12(1):29-33.
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