GST puts horse racing in chokehold as betting turnover plummets

If the exits of horse racing’s biggest owners in the last three years dealt it a body blow, then the combined effect of the  goods and services tax  (GST) put a chokehold on it and threatens to cut off air supply. The turnover from  betting  on the totalizator (a device showing the number and amount of bets staked on a race, to facilitate the division of the total among those b…