Pork prices in China, the world's largest pork producer and consumer, have been declining since mid-February and reached their lowest point since January 2011 on Tuesday, the Xinhua News Agency said.

Prices on Tuesday were more than 18 percent down compared to prices on Feb 11, the first day after Spring Festival.

Hebei, Shanxi, Liaonjing, Shandong provinces as well as Chongqing municipality led the declines with falls of up to 30 percent.

In contrast, the price of beef and mutton on Tuesday rose from a day earlier as did the price of fruit.

But prices for vegetables and edible oil dropped.