Robert Wiseman Dairies has written to a small selection of its retail customers who take roughly 3% of Wiseman's total milk volume to demand a hike of 5ppl in its milk price.

Wiseman sent a letter to customers on 8 February stating that, effective from 13 February, the milk price would increase by 5ppl, and half gallons of cream would increase by 5%. The letter pointed out that it had been almost three years since Wiseman had last requested a price increase. "However, with the increases in raw materials experienced during that period, we must now pass on these costs," it stated.

A Wiseman spokesman said the increase had been sought from a particular section of its customer base, which was considerably more costly to service.

The news comes as Wiseman this week announced it was increasing the price it pays farmers for their milk by 1ppl, to 26.72ppl.