a High Prevalence Area and owners of flocks can claim 0 credit points in Category A of the ABC score. Sheep Health Statements Flocks that have undergone testing (eg SheepMAP flocks), abattoir monitoring (Abattoir 150 or 500 status), or commenced vaccinating against OJD will have a higher ABC score, and can claim credit points towards the Always ask for a Sheep Health Statement (SHS) when purchasing sheep. A SHS requires the vendor to disclose the ABC score of his or her flock. The use of these statements is voluntary, but highly recommended, for all sheep movements within Victoria. However, most states require sheep from interstate to be accompanied by a SHS. Persons making false or misleading statements on a SHS may be liable under Fair Trading legislation and the Stock (Seller Liability and Declarations) Act 1993.ABC score in Categories B (testing), C (vaccination) and/or D (certified low risk). Avoid introducing OJD by other means OJD-causing bacteria can also be introduced into a flock in other ways: Boundary fencing and strays Owners should make every effort to maintain boundary fencing and gateways in order to minimise the risk of straying sheep. Collect stray sheep and work with neighbours -- don't just put sheep back over a fence. Check mobs and fencing frequently. Movement of manure Run-off from neighbouring properties may carry OJD-causing bacteria into previously uncontaminated paddocks. Diversion drains, double-fenced tree lines, or running cattle in these paddocks may assist in preventing infection in a flock. Boots and equipment carrying manure