ONT Farm Market News PM Livestock Summary for June 20 From the Beef Farmers of Ontario, the Rail Grade Report. Prices are on carcass weight basis, before grade and weight discounts. Steers: $320.00 - $320.00 Heifers: $319.00 - $319.00 *From Ontario Pork: *Quebec's average price on Friday was $217.34 per ckg D.W. 100 index. *The previous markets day's CME Constructed (201) price was $108.13 U.S. per cwt. D.W. *Compared to the previous day this was down $0.8