In DepthVeterinary Science

Wave of horse deaths on famed racetrack poses puzzle

See allHide authors and affiliations

Science  29 Mar 2019:
Vol. 363, Issue 6434, pp. 1372-1373
DOI: 10.1126/science.363.6434.1372

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution

Summary

In less than 3 months, 22 horses have died on the Santa Anita racetracks in Arcadia, California, leading managers to shut it down on 14 March. The string of fatalities has spurred outcries from animal welfare activists and led to major economic loss—but it also mystifies scientists who study horse racing and racetracks. Some believe heavy rainfall may have caused irregular compaction of the dirt track layers, increasing the risk of fractures when horses' hooves penetrate the ground at high speeds. But a battery of tests by U.S. experts has so far failed to show anything unusual.

View Full Text