The biggest increase comes from Glanbia Ireland, which has added 1.5p/l to its base Milk processors in NI have responded to the upturn in commodity markets by applying price increases for February. The biggest increase comes from Glanbia Ireland, which has added 1.5p/l to its base. Glanbia also pays a 1.5p/l winter bonus for February, meaning its suppliers are on an all-in starting price of 30p/l. With a 1p/l increase in base price, plus a 1p/l winter bonus on February milk, Strathroy Dairy is just behind with a starting price of 29.5p/l. On Monday, Dale Farm announced it would add 1p/l to its February price which brings suppliers to a base of 28.55p/l, inclusive of its 0.3p/l loyalty bonus.