Ovine Johne's disease (OJD)
Summary
Since ovine Johne’s disease (OJD) was found in Australia in 1980, it has proven to be a costly disease.
It spreads slowly, is difficult to detect early on, reduces weight gain and wool production and can kill about 10% of adult sheep each year if left unmanaged.
This Primefact answers the following questions:
- What is OJD?
- How does it spread on farm?
- How does it spread between farms?
- Why bother about OJD?
- How do I know if my sheep have it?
- What can I do to help keep the disease out?
- What can I do if my flock is already infected?
- What happens if I do nothing?
- Who can I talk to?
