That's a shame. Sounds like the jockey felt some irregularity before the start. But what can you do? If you can't find anything definite, and you scratch him from an important race, that isn't good either.
So true. The extraordinary measures they've taken with Barbaro can't happen with every horse, obviously. I just wish those little bones -- on all of them -- weren't so fragile and at the same time, so crucial to their very lives. It's just sad.