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MQHRA Announces Clenbuterol Rule Change


Minnesota Quarter Horse Racing Association

Urgent: Notice Regarding Clenbuterol Rule Change

Please be advised that there is a significant rule change involving the use and detection level for Clenbuterol that will be in effect for the upcoming meet at Canterbury! If you have questions or concerns, please contact the Minnesota Racing Commission.

On Thursday, April 20th, the Association of Racing Commissioners International (ARCI) voted to amend the model rules for the bronchodilator Clenbuterol to make it a prohibited substance in Quarter horse racing.  The rule change also includes Thoroughbreds competing in a mixed race against Quarter horses.

The ARCI Schedule of Controlled Substances for Clenbuterol was subsequently amended to show a "limit of detection" threshold in serum, plasma, or urine with no applicable withdrawal guidelines. MRC Rule 7890.0100, subpart 12a defines the Limit of Detection (LOD) as the lowest concentration of the drug that can be detected by a particular laboratory method.  Industrial Laboratory, the 2017 MRC contract laboratory, has been instructed to use the limit of detection for all Quarter horse and mixed races.

Minnesota Racing Commission (MRC) rule 7890.0110, subpart 10 states that serum or urine thresholds found in the ARCI Schedule of Controlled Therapeutic Substances are adopted by reference. This means that the change in Clenbuterol becomes effective upon publication by the ARCI and MRC. We expect publication next week.

Horsemen and women are advised to stop using Clenbuterol immediately.

 

 


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