INTERNATIONAL PROHIBITED / FORBIDDEN SUBSTANCE THRESHOLDS

INTERNATIONAL PROHIBITED / FORBIDDEN SUBSTANCE THRESHOLDS

NHA LABORATORY

International Prohibited / Forbidden Substance Thresholds


The International Federation of Horseracing Authorities have established international thresholds for:

  • substances endogenous to the horse
  • substances arising from plants traditionally grazed or harvested as equine feed
  • substances in equine feed arising from contamination during cultivation, processing or treatment, storage, or transportation.

As a International Federation of Horseracing Authorities member the National Horseracing Authority of Southern Africa apply these threshold / concentrations which are provided below.

N.B.: The conjugated substance is the substance that can be liberated from conjugates.

The concentrations listed above have been determined to be the maximum concentration permitted in a specimen taken from any horse.

In terms of Rules 73.4 and Rule 74 the abovementioned substances shall be prohibited / forbidden substances if the concentration found in a specimen exceeds the concentration set out above.