Come December it is likely to go even higher and he warns pork consumers will end up paying.
The Otago Peninsula pig and poultry farmer has contracted most of his feed supplies until December.
When they run out they will have to be renegotiated.
The prices of most of the cereal ingredients he bought had already increased by about $100 a tonne, and new contracts would reflect the higher prices.
"If consumers feel hard done by now, my feeling is that prices have nowhere near been passed on yet compared to what they should have been."
He needed another 70c a kg for his pig meat to meet those higher costs.
He had absorbed the higher costs so far because pork prices had been reasonably static in recent months, he said.
It is not just wheat and barley prices.
Meat and bone meal and dried blood prices rose about 15% in recent weeks, and he was unable to even source peas.
A consequence of soaring grain prices had been the loss of markets for weaner piglets.
Pig finishers left the industry because of the higher feed costs, which meant Mr Bloem's farm had to carry another 400 pigs to killing weight when previously they would have been sold.
"A lot of people who were contract finishing have gone out of the market," he said.
