The country has "entered its peak season for pork consumption," with average wholesale prices in major cities "up 3.9 percent since early September to 17.95 yuan (US$2.70) per kilogram," the ministry said in a statement on its website.
The statement did not say how much frozen pork has been sold.
Pork prices will continue to be closely monitored as they form an important part of the consumer price index, it said.
The National Bureau of Statistics is due to release CPI figures on Nov. 11, with some pundits estimating the measure in October might have risen to a two-year high of more than 4 percent.
http://english.chinafeed.org.cn/main_itemdetail_en.php?column_id=182&item_id=7538