Prohibited Substances in Racing




NEW ZEALAND GAZETTE, No. 53 — 14 MAY 2015

  • bronchodilators
  • bronchospasm relaxants
  • buffering agents
  • central nervous system stimulants
  • cholinergic agents
  • corticosteroids
  • depressants
  • diuretics
  • endocrine secretions and their synthetic counterparts
  • general anaesthetics
  • haematopoietic agents
  • hormones (including trophic hormones) and their synthetic counterparts
  • hypnotics
  • local anaesthetics
  • masking agents
  • muscle relaxants
  • narcotic analgesics
  • neuromuscular agents
  • plasma volume expanders
  • respiratory stimulants
  • sedatives
  • tranquillisers
  • vasodilators

3 Metabolites, artifacts and isomers of the Prohibited Substances prescribed in paragraph 1 and 2 hereof.

4 The following when present at or below the concentrations respectively set out are excepted from the provisions of paragraphs 1, 2 and 3 hereof:

(a) alkalinising agents, when evidenced by total carbon dioxide (TCO2) at a concentration of 36.0 millimoles per litre in plasma;

(b) arsenic at a mass concentration of 0.30 milligrams per litre in urine.

(c) Dimethyl sulphoxide at a mass concentration of 15 milligrams per litre in urine or 1.0 milligrams per litre in plasma;

(d) in male horses other than geldings, 5α-estrane-3β,17α-diol in urine (including both the free substance and that liberated from its conjugates) at a mass concentration equal to or less than that of 5(10) estrene-3β,17α-diol in urine (including both the free substance and that liberated from its conjugates);

(e) Salicylic acid at a mass concentration of 750 milligrams per litre in urine or 6.5 milligrams per litre in plasma;

(f) Hydrocortisone at a mass concentration of 1.00 milligrams per litre in urine;

(g) Testosterone (including both free testosterone and testosterone liberated from its conjugates):

(i) in geldings: at a mass concentration of 20 micrograms per litre in urine;

(ii) in fillies and mares: at a mass concentration of 55 micrograms per litre in urine;

(h) 3-Methoxytyramine (including both free 3-methoxytyramine and 3-methoxytyramine liberated from its conjugates) at a mass concentration of 4.0 milligrams per litre in urine;

(i) Boldenone – 15 microgram free and conjugated boldenone per litre in urine from male horses (other than geldings);

(j) Theobromine – 2 milligrams theobromine per litre in urine.

5 The following substances are excepted from the provisions of paragraphs 1, 2 and 3 hereof:

  • antimicrobials (antibiotics) and other antiinfective agents with the exception of procaine penicillin
  • altrenogest

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Online Sources for this page:

Gazette.govt.nz PDF NZ Gazette 2015, No 53





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🏭 Fourth Appendix to Racing Rules - Prohibited Substances (continued from previous page)

🏭 Trade, Customs & Industry
Prohibited Substances, Racing Rules, Thoroughbred Racing, Veterinary, Drug Exceptions