Education & Resources

The Horseracing Integrity & Welfare Unit is committed to supporting all stakeholders in the implementation of the Horseracing Integrity and Safety Authority’s Anti-Doping and Medication Control Program and providing an active library of bilingual educational materials.

Science & Substances
Science & Substances
Thoroughbred Horse in stall
- Science & Substances

Horsemen's Advisory: Compounded Products

HIWU reminds Covered Persons of the risks associated with administering compounded products to Covered Horses under the Anti-Doping and Medication Control (ADMC) Program.
- Science & Substances

The Use of Lasix Under the ADMC Program

The use of Salix/Lasix IS PERMITTED under the ADMC Program in most circumstances.
- Science & Substances

Advisory: Reminders Regarding Permitted Medications During Routine Timed Workouts

The Horseracing Integrity & Welfare Unit (HIWU) reminds horsemen and veterinarians that Covered Horses are subject to testing at any time, including following routine timed workouts (Post-Work testing). Testing following workouts is not limited to Vets’ List workouts. Please note that Post-Work samples are not collected after all routine timed workouts. Trainers will be notified of selection, and sampling will be performed, within one hour of the completion of the workout.
TB walking in paddock
- Science & Substances

Clarification for Anti-Ulcer Medication, Isotonic Electrolyte Solution Administration and Products Intended for External Use Only

Pursuant to Rule 4211 of the Rule Series 4000 (The Prohibited List) of the ADMC Program, only feed, hay, and water are permitted during the Race Period (the 48 hours preceding scheduled Post-Time or a Vets’ List Workout), with some exceptions. Under Rule 4212, anti-ulcer medications are an exception.
- Science & Substances

Laboratory Accreditation

Laboratory accreditation is the foundation for consistency among laboratories and uniformity in enforcement of regulations. There are several types of accreditation that a laboratory can achieve.
- Science & Substances

Dietary Supplements- What You Should Know

Guidance on the use of dietary supplements and language on labels associated with dietary supplements versus drugs
- Science & Substances

Notice on the use of Bisphosphonates Under the HISA Anti-Doping and Medication Control Program

In advance of the anticipated effective date of the Horseracing Integrity and Safety Authority’s (HISA) Anti-Doping and Medication Control (ADMC) Program on March 27, 2023, the Horseracing Integrity & Welfare Unit (HIWU) calls the Thoroughbred industry’s attention to regulations regarding the presence and use of bisphosphonates in Covered Horses.
- Science & Substances

Known Detection Times and Screening Limits of Common Controlled Medications

A guide for veterinarians and horsemen on published Detection Times and Screening Limits of common Controlled Medications.
- Science & Substances

Understanding the Prohibited List

An overview of the Prohibited List and its categorization of substances.