Horse Industry Controversies

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CHRB Begins Cobalt Testing

The California Horse Racing Board (CHRB) has started evaluating cobalt levels in racehorses competing at tracks in that state and in certain necropsy scenarios, according to a March 4 memo from CHRB Equine Medical Director Rick Arthur, DVM.

Sample Handling's Effects on Plasma CO2 Levels (AAEP 2012)

By its very nature the practice of “milkshaking,” or administering bicarbonate or other alkalinizing substances to racehorses as performance enhancers, can be tough to pinpoint—horses metabolize the substances quickly, and testing laboratories must look for elevated blood total carbon dioxide (CO2) concentrations as evidence. So to prese...

Blood Collection Tube Size and CO2 Concentration (AAEP 2012)

Veterinarians screen racehorses regularly for evidence of performance enhancers, aiming to use sample collection methods that yield accurate and consistent results. Blood-draw supplies vary among veterinarians, however, and could conceivably impact test results, so a Purdue University research team recently evaluated how such variables impact a common mea...

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