California HRB Approves Measure to Require Identifying Microchips in Racehorses

The new requirements will become active policy in 12-18 months.

At its monthly meeting on Thursday at Los Alamitos Racecourse, the California Horse Racing Board approved a measure requiring all racehorses to be microchipped for identification purposes.

The California Horse Racing Board on Thursday approved a measure requiring all racehorses in the state to be microchipped.

According to a report on, the measure was based on amendments to existing rules regarding entries and eligibility for horses to race, among others, and would make any horse in the state without an identifying microchip -- or a waiver from the board of stewards -- ineligible to race.

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