The British Horseracing Authority (BHA) has urged the sport to collectively lobby the Government to back British racing and axe a proposal from the Treasury which could hit racing's finances to the tune of £66m in lost income. Those figures were published by the BHA for the first time on Wednesday, highlighting the potentially catastrophic consequences of the proposal to hike tax on horserace betting by bringing existing online betting duties into one single rate. At a time when affordability checks and the lack of a sustainable central funding model...