• Following the declaration of the January Liquids Formula Contract parameter data by Dairy Co Datum, this will revise the March 2014 delivered Liquid Formula price -0.314p/litre to 30.947/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; March 30.947/l, Formula difference +1.097p/l.