Ovine Johne’s Disease Research & Development Program: Recent submissions
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Epidemiology of ovine Johne's disease 2 - pasture contamination level and age susceptibility.
Published 2005-06-01To develop pasture management strategies for control of ovine Johne’s disease, research was conducted in a flock of 840 sheep to determine whether age of sheep and pasture contamination levels affect ovine Johne’s disease. ...Open AccessReport, Technical -
Longitudinal study of OJD and the effects of whole flock vaccination with Gudair : whole flock OJD vaccination at Merrill.
Published 2005-03-01Ovine paratuberculosis or Johne’s disease is an insidious mycobacterial infection of sheep capable of causing wasting and death. It has emerged in recent years in Australia as a cause of significant losses in some infected ...Open AccessReport, Technical -
Pilot study : tracer weaner trial for ovine Johne's Disease : National Ovine Johne’s Disease Control and Evaluation Program.
Published 2000-06-01Eradication of ovine Johne’s disease requires destocking sheep and spelling land until Mycobacterium avium subsp. paratuberculoisis has died out. There is no simple way to assess the residual level of contamination or the ...Open AccessReport, Technical -
Preliminary study on the potential cost at slaughter of OJD vaccination site lesions to the Australian sheep industry.
Published 2004-10-01This report presents the results of a pilot project to predict the risk of discounts being applied in Australia due to OJD vaccination site lesions as vaccine use expands. This includes a review of discounting in New Zealand ...Open AccessReport, Technical -
Determination of individual animal-level sensitivity of abattoir surveillance for ovine Johne's Disease.
Published 2002-09-01This project aimed to estimate the sensitivity of abattoir surveillance for ovine Johne’s disease (OJD) at an individual animal level. Currently abattoir surveillance for OJD occurs in 21 meatworks around Australia and ...Open AccessReport, Technical