â The presence of marijuana is detected by a drug test through the presence of the active chemical THC or Tetrahydrocannabinol. Technically, what is detected is known as THC-COOH (11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid).
1 Average Riding Instructor Salary: Independent riding instructors typically charge an hourly rate for services but on average earn about $35,000 to $39,000 per year.
But how much do the riders earn? As stated by a representative of the Jockeyâs Guild, the average salary for a professional horse jockey is $24,000. The general range of their salaries is between $17,000 and $250,000. In addition to flat pay, jockeys also earn a percentage of their horseâs winnings, generally about 7%.Jerry Bailey, for example, set a record in yearly winnings with $23,354,960, earning him $1.63 million.he general range of their salaries is between $17,000 and $250,000. In addition to flat pay, jockeys also earn a percentage of their horseâs winnings, generally about 7%. Jerry Bailey, for example, set a record in yearly winnings with $23,354,960, earning him $1.63 million.