Doping is one of the major problems in the racing in veterinary medicine, not only has many risks for consumersof drugs (horse and dog), but also is the fraud, that will change the results of tournament. In competitive sports, doping refers to the use of banned athletic performance-enhancing drugs by athletic competitors, where the term doping widely used by organizations that regulate sporting competitions.In january 2015 during20th weeks of course competition, the result of doping related to Turkomen stallion reported positive with strychnine, but any sign of poisoning not seen in this case. Strychnine is a very dangrous and toxic substance that was the first alkaloid to be identified in the plants of the genus Strychnos, its oral LD50 values in dogs, cattle, horses and pigs is 0.5-1 mg/kg. In Veterinary medicine strychnine is used in form of the sulphate or nitrate salts as a palliative for oral treatment of cattle for simulation of ruminal motility. It is also used for subcutaneous and intramascular injection in horses. The claimed indication is symptomatic treatment of locomotor deficits of medullary origin,but the drug is on the list of banned drugs of the anti-doping committee and its use is illigal.
