Continuity in ovine Johne's disease vaccination practices despite a decline in clinical disease

The Gudair® vaccine has been commercially available in Australia for almost two decades for the control of ovine Johne's disease, but concerns have been raised about potential discontinuation of vaccination by producers after a decline in the incidence of clinical disease. An online questionnai...

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Bibliographic Details
Published in:Australian veterinary journal 2021-09, Vol.99 (9), p.392-394
Main Authors: Green, AC, Plain, KM, Eppleston, J, Martinez, E, Emery, D, Dhand, NK
Format: Article
Language:English
Subjects:
Animal diseases
Control
Control programs
Disease control
Goats
Gudair
Immunization
Paratuberculosis
Sheep
Vaccination
Vaccine
Vaccines
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Summary:The Gudair® vaccine has been commercially available in Australia for almost two decades for the control of ovine Johne's disease, but concerns have been raised about potential discontinuation of vaccination by producers after a decline in the incidence of clinical disease. An online questionnaire was distributed to Australian sheep producers to identify the proportion of respondents discontinuing the Gudair vaccine and reasons for discontinuation. Results revealed that 88% of sheep producers surveyed have continued to vaccinate their sheep with Gudair, with continuation greater for predominantly Merino sheep flocks. Reasons for discontinuing vaccination stemmed from management, economic or health concerns. These results suggest that Gudair is still widely used by Australian sheep producers and concerns about large‐scale discontinuation are unfounded. These findings have implications for ovine Johne's disease control programs in Australia.
ISSN:0005-0423
1751-0813
DOI:10.1111/avj.13092