From: phanilah in response to Message 1 Sent: 3/9/2005 9:01 PM
USEF NO FOREIGN SUBSTANCE PROVISIONS
GR409 Equine Drugs and Medications,
The No Foreign Substance Provisions.
1. No horse and/or pony competing in a Breed or Discipline designated as (or part of) a No Foreign Substance Group is to be shown in any class at a competition recognized by the Federation if it has been administered in any manner or otherwise contained in its tissues, body fluids or excreta a prohibited substance as defined in this Rule. For purposes of this Rule, the following are prohibited substances:
a. Substances capable at any time of acting on one or more of the following mammalian body systems:
(1) the nervous system.
(2) the cardiovascular system.
(3) the respiratory system.
(4) the digestive system other than certain specified substances for the oral treatment of gastric ulceration. Oral treatment by the histamine H2-receptor antagonist ranitidine and the proton pump inhibitor omeprazole is permitted. Exception: These gastric ulcer medications are prohibited in the Endurance Riding Division.
(5) the urinary system.
(6) the reproductive system.
(7) the musculoskeletal system.
(

the skin (e.g. hypersensitizing agents).
(9) the blood system.
(10) the immune system, other than those in licensed vaccines.
the endocrine system.
b. Antipyretics, analgesics and anti-inflammatory substances.
c. Cytotoxic substances.
d. Endocrine secretions and their synthetic counterparts.
e. Masking agents.
2. A finding of a prohibited substance means a finding of the substance itself or a metabolite of the substance or an isomer of the substance or an isomer of a metabolite. The finding of any scientific indicator of administration or other exposure to a prohibited substance is also equivalent to the finding of the substance.
3. Thresholds can only be adopted for:
a. Substances endogenous to the horse.
b. Substances arising from plants traditionally grazed or harvested as equine feed.
c. Substances in equine feed arising from contamination during cultivation, processing or treatment, storage or transportation.
4. Substances below the following thresholds are not actionable:
a. Available Carbon dioxide, 37 millimoles per liter in plasma.
b. Dimethyl sulfoxide, 15 micrograms per milliliter in urine or 1 microgram per milliliter in plasma.
c. Estranediol, the mass of free and conjugated 5a-estrane-3b 17a-diol to the mass of free and conjugated 5(10)-estrene 3b, 17a-diol in urine at a ratio of 1 (stallions).
d. Hydrocortisone, 1 microgram per milliliter in urine.
e. Salicylic acid, 750 micrograms per milliliter in urine or 6.5 micrograms per milliliter in plasma.
f. Testosterone, 0.02 micrograms free and conjugated testosterone per milliliter in urine (geldings), or 0.055 micrograms free and conjugated testosterone (fillies and mares not in foal).
g. Theobromine, 2 micrograms per milliliter in urine.
5. EXHIBITORS, OWNERS, TRAINERS, AND VETERINARIANS ARE CAUTIONED AGAINST THE USE OF MEDICINAL PREPARATIONS, TONICS, PASTES, AND PRODUCTS OF ANY KIND, THE INGREDIENTS AND QUANTITATIVE ANALYSIS OF WHICH ARE NOT SPECIFICALLY KNOWN, AS MANY OF THEM NO DOUBT CONTAIN ONE OR MORE FORBIDDEN SUBSTANCES.
MB II Arabians
Colorado
American Foundation Bred
CMK/Fadjur/Azraff-Ferzon
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GAHeC
Colorado Arabian Horse Club
Region 8