[BubblPopElectrc]

I thought I would post this. It's a couple of years old but still factual/relevant.

Barbaro injury focuses industry on safety - Horse Racing - MSNBC.com

Last year, 57,495 races were run in the United States and Canada for a total of 469,644 starts, according to statistics compiled by the Jockey Club. Using Nunamaker’s figure, that means about 704 horses died while racing in 2005 in the United States and Canada, about 1.93 fatalities per day.

“Almost two a day? I think that’s an awful lot, don’t you?” says Nunamaker. “And that doesn’t count a whole group that break down in training.”