ETOBICOKE, Ontario - A $35,000 colt by Canadian champion Mobil topped the open session at the Canadian Thoroughbred Horse Society's yearling sale at the Woodbine Sales Pavilion on Saturday. \nMartha Gonzalez purchased the session topper, who is the first foal from the stakes-placed Hong Kong Dancer, from Hill 'N' Dale Sales Agency, as agent. \nA total of 148 yearlings sold for $851,800, a 35 percent lower gross than last year, when 153 horses sold for $1,309,200. The average, $5,755, was 32.7 percent less than last year's average of $8,557. Forty-nine yearlings were listed as not sold, compared to 70 in 2008.