From 2003 to 2005, the cumulative yield was up to about 7.457 4 billion for the seeds with average shell height of about 2 mm and 4.984 2 billion for those after juvenile nursery culture with 66.84% survival rate.

  • 2003 ̄2005年累计培育平均壳高2mm的稚贝74.574亿粒,经中间培育后出池商品仔贝49.842亿粒,中间培育成活率达到66.84%。

  • 互联网摘选 2025-01-20 11:45:57

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