海湾扇贝在市场看好的情形下,养殖面积逐年扩大。但今年由于育苗失败使海湾扇贝的养殖遭受重大损失。产量与面积均占全国大半的山东省今年原计划养殖约需30亿粒苗种,而实际产出的商品苗只有15亿粒。山东全省去年的养殖面积是20500亩,今年原计划养殖29000亩,由于苗种的缺乏只养了14700亩。青岛市 Bay scallops in the market optimistic about the situation, the breeding area has expanded each year. However, due to the failure of breeding this year, the cultivation of Gulf scallops suffered heavy losses. Shandong Province, which accounts for more than half of the country’s output and area, originally planned to raise about 3.0 billion seedlings this year, while the actual output of seedlings is only 1.5 billion. Shandong province last year’s breeding area is 20,500 acres, planted 29,000 acres this year, due to the lack of seed only raised 14,700 acres. Qingdao City