• Following the declaration of the December Liquids Formula Contract parameter data by Dairy Co Datum, this will revise the February 2014 delivered Liquid Formula price -0.228p/litre to 31.261/l (source; milkprices.com flagship league table). Please click on the link for further details. Milk price difference since Formula launch now as follows: March 29.850p/l Standard Liquid; February 31.261/l, Formula difference +1.411p/l.