Invest 500,000 to raise 50 mu of oysters. According to the relevant information, it is learned from the oyster breeding base that the cost of one mu of oyster breeding is about 1 10,000 yuan, and 50 mu of oyster breeding needs 500,000 yuan. Oysters have the effects of improving intelligence and strengthening brain. Taurine, dha and epa contained in oysters are nutrients for intellectual development. Eating oysters regularly can effectively improve the brain and intelligence.