How long is the growing period of free-range black hogs cost a head of how much money

In 2015, the pig inventory will decline to a certain extent compared to 2014, and the momentum is likely to continue to the end of the year, but due to the economic situation is sluggish, weak demand led to the stock gap will not be very large, and at the same time, the price of hogs or will be warmed up, the pig industry can basically say goodbye to the 3-year-long downturn that began in 2012. Pig prices are likely to make a loss in the first half of 2015, but can only be maintained in the cost line near the state of micro-profit, pig prices in the 6.5 to 7.5 yuan / catty range of narrow fluctuations, to the end of 2015 is expected to oscillate up to 8 to 8.5 yuan / catty, the whole year or present the first half of the year low, the second half of the year high trend.