Thanks for the link Ryle. I know we get them tested every year. We cross state lines a lot so have to carry the paperwork. I knew it was some sort of nasty virus but after reading that, I know its a really nasty virus. I think some states, like Kentucky, require testing every 6 months for transporting horses.
"Until one has loved an animal, part of one's soul remains unawakened..."
- Anatole France