China fattens pig farms to tame pork prices

The Jiahua pig farm in eastern Zhejiang province is on the frontline of China's battle with food inflation, a prime example of how a shift in farming practices may someday stabilize the price of the nation's favorite meat - and soothe a perennial headache for Beijing.

Pork prices are so volatile and have such an influence on inflation in the world's second-largest economy that many Chinese joke that CPI stands for the "China Pork Index".