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| 关键词: 担轮幼虫 眼点期 近江牡蛎 |
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| A STUDY ON THE ARTIFICIAL REARING OF SPATS OF OSTREA RIVULARIS GOULD |
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| Abstract: |
| The spats of Ostrea rivularis in the indoor and outdoor cement tanks were reared, beginning in May, 1985. After two months they grow to 4-12 mm in length. More than 300 000 of these spats were transplanted to the natural sea area for cultivation till January 1987. The shell reached 67.7 mm in length, 45 mm in height, 25.4 mm in breadth and 40 g in body weight averagely. Along the coast of Zhanjiang, the best period in a year for transplanting spats to the middle zone, of the tidal area is November, avoiding the attack of typhoon and the adherence by sessile Balanus. In May next year, the Ostrea spats have to be transplanted to the lower zone for further culturing. |
| Key words: Ostrea rivularis Ostrea spats |
