Raising 40-50 pigs can earn 65438+ million a year. At present, the wholesale price of pork in the market is about 15-20 yuan. According to the slaughter weight, the output value of a pig is about 3750-5000 yuan. According to the lowest breeding cost, a pig can earn about 2,000-2,500 yuan, and it usually lasts for 6 months. Therefore, it can be calculated that it takes at least 40-40 yuan a year to raise pigs to earn 654.38+10,000 yuan.