Michael Seraphin Occurs Quotations

All other states where it has occurred have been states where there are captive breeders, and some states have seen it only in captive herds. So we know it seems to spread more easily in captive herds, but some researchers wonder if it just occurs spontaneously sometimes.

There's not a lot that can be done when it occurs in a wild animal. Obviously it's much easier to control in a captive situation.