Tco2

Horse racing, horses heading behind the starting gate

AGCO Announces New TCO2 Testing Standards

August 29, 2025

The Alcohol and Gaming Commission of Ontario (AGCO) has announced updates to the Thoroughbred and Standardbred Rules of Racing to modernize the Total Carbon Dioxide (TCO2) testing program in line with...

AGCO To Lower TCO2 Thresholds

On June 1, 2021, the Alcohol and Gaming Commission of Ontario (AGCO) will implement the Canadian Pari-Mutuel Agency’s (CPMA) decision to lower the thresholds for total carbon dioxide (TCO2).

Darling On TCO2 Testing

January 23, 2018

"With the recent advent of the Standardbred Racing Integrity and Accountability Initiative, I thought it would be a good time to give some thoughts on TCO2 testing and what can be done to level the pl...

Drug Violation Penalties Revamped

February 01, 2016

On Monday, February 1, the Ontario Racing Commission announced that it has approved a revision to the penalty guidelines for equine drug, TCO2 and non-therapeutic drug offences.

TCO2 Pilot Program Almost Complete

In November of last year, the Ontario Racing Commission and the Canadian Pari-Mutuel Agency launched a pilot project at The Raceway at Western Fair District which allowed for the collection of officia...

NJRC Releases 2011 Drug Test Results

January 27, 2012

The New Jersey Racing Commission has released the 2011 report of equine testing results

Commission To Review TCO2 Cases

Attorney/horsemen Billy Childs of Westbrook, Maine, has reported that the Maine State Harness Racing Commission withdrew its complaint against trainer Douglas Gray for an alleged elevated TCO2 violati...

Trainer Files Lawsuit Over TCO2 Threshold

According to a report, a California trainer has called the California Horse Racing Board's TCO2 testing into question and has filed a lawsuit in federal court