Browsing Ovine Johne’s Disease Research & Development Program by publication year
-
Culture of Mycobacterium paratuberculosis from soil
Published 1997-01-01Open 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 -
Cross species transmission of ovine Johnes Disease - Phase 1 : National Ovine Johne’s Disease Control and Evaluation Program.
Published 2000-06-01Johne’s disease was investigated in fibre goats on several farms. The disease was caused by sheep [S] strains of Mycobacterium avium subsp. paratuberculosis. The infection appeared to be less severe than the same infection ...Open AccessReport, Technical -
Development of a rapid cost effective test for ovine Johne's Disease based on testing of pooled faeces : final report.
Published 2000-06-30This project was undertaken to develop and evaluate a rapid, cost-effective, flock test for Mycobacterium paratuberculosis in pooled faecal samples, based on hybridisation-capture polymerase chain reaction (HC-PCR). However, ...Open AccessReport, Technical -
Survival of Mycobacterium paratuberculosis in the environment.
Published 2000-08-01Reducing the survival of Mycobacterium paratuberculosis (Mptb)outside the host animal has long been attributed to environmental factors such as elevated temperature, pH, ultraviolet light and dryness although without direct ...Open AccessReport, Technical -
National field evaluation of pooled faecal culture - interim report 24 October 00.
Published 2000-10-24Pooled faecal culture (PFC) has been proposed as a screening test for testing sheep populations as part of the NOJDP as it provides the potential for significant savings for the NOJDP compared with serological testing. ...Open AccessOther -
Assessing the risks of transmitting OJD in the semen of rams by artificial insemination.
Published 2000-12-01The impact on stud breeders of the current national program to limit the spread of OJD within the Australian sheep industry could be reduced if they could safely use semen from within their studs. Trading semen would be a ...Open AccessOther -
National Workshop on Control Strategies : a review of the NSW approach. 17 and 18 April, 2001 – AMA House, Barton ACT.
Published 2001-01-01The purpose of this workshop was to facilitate a structured discussion by national and state OJD technical advisers of a number of proposals for change to the on-farm strategies currently applied in NSW for controlling the ...Open AccessOther -
Evaluation and comparison of two methods of abattoir surveillance for detection of ovine Johne’s Disease.
Published 2001-06-01This project was designed to determine whether properties infected with ovine Johne’s disease (OJD) could be identified by routine monitoring of cull sheep at abattoirs for lesions of OJD or the presence of Mycobacterium ...Open AccessReport, Technical -
Survival of Johne’s Disease in the environment : National Ovine Johne's Disease Control and Evaluation Program.
Published 2001-06-30This report covers three MLA projects (TR.055, TR.055A and OJD.003) undertaken by NSW Agriculture to determine how long the sheep strain of Mycobacterium paratuberculosis survives in the environment to validate destocking ...Open AccessReport, Technical -
OJD research update and control workshop. University of Sydney Veterinary Science Conference Centre, 24-25 September, 2001.
Published 2001-09-01A forum aiming to provide the most recent results ot the research conducted under the National Ovine Johne's Disease Control and Evaluation Program, as well as an opportunity for key personnel involved in the management ...Open AccessOther -
Evaluation of PFC and AGID as flock-screening tests for OJD : National Ovine Johne's Disease Control and Evaluation Program.
Published 2001-11-01The aims of this project were to provide comparative estimates of the flock-sensitivity of PFC and AGID under a range of likely scenarios, using a simulation approach. Sample sizes required to achieve equivalent performance ...Open AccessReport, Technical -
Prevalence of Johne's disease in rabbits and kangaroos
Published 2002-02-01This report presents the results of a study of 300 rabbits and 300 kangaroos on 10 farms in NSW on which JD is endemic in the sheep flock. No evidence of active infection of kangaroos or rabbits was found despite evidence ...Open AccessReport, Technical -
Survey of potential wildlife reservoirs for Mycobacterium paratuberculosis : final report prepared for MLA by NSW Department of Natural Resources and Environment.
Published 2002-03-01In any disease control program eradication of disease depends upon the protection of disease free animals from potential sources of infection. Sylvatic hosts have the potential to thwart eradication campaigns. An assessment ...Open AccessReport, Technical -
Aspects of the pathogenesis of ovine Johne's Disease. Ph.D. thesis--Faculty of Veterinary Science, University of Sydney, 2003
Published 2002-03-01John'es disease is a chronic enteropathy of ruminants cause by infection with M. a. paratuberculosis. This study deals with the enumeration of Australian ovine isolates of M. a. paratuberculosis which will help facilitate ...Open AccessThesis -
Development of computer models to describe the epidemiology of Johne's disease in sheep.
Published 2002-06-01The pathogenesis, epidemiology and options for control of Johne's disease in sheep were reviewed and mathematical models developed to simulate the spread of Johne’s disease within infected flocks, and between flocks on a ...Open AccessReport, Technical -
Ovine Johne's Disease : an update of Australian and international research.
Published 2002-07-01A summary of the national and international research being conducted into OJD from a one-day research forum held at the University of Sydney, July 2002. The report contains reviews of the 7th International Colloquium on ...Open AccessOther -
Cross species transmission of Ovine Johne's Disease - Phase 2 cattle.
Published 2002-09-01One thousand seven hundred and seventy four cattle from 12 properties were sampled by ELISA and faecal culture to detect Johne’s Disease. All properties had a known significant history of Johne’s disease in sheep. They ...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