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Volume 4 Issue 1
Jan.  2013
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Article Navigation >  Journal of Tropical Biology  > 2013  >  4(1): 88-93

LIU Tianmi, FENG Quanying, YANG Mingqiu, FU Yifan, WU Pengfei. Artificial Propagation and Seed Breeding Technology of Sipunculus nudus[J]. Journal of Tropical Biology, 2013, 4(1): 88-93. doi: 10.15886/j.cnki.rdswxb.2013.01.017
Citation: LIU Tianmi, FENG Quanying, YANG Mingqiu, FU Yifan, WU Pengfei. Artificial Propagation and Seed Breeding Technology of Sipunculus nudus[J]. Journal of Tropical Biology, 2013, 4(1): 88-93. doi: 10.15886/j.cnki.rdswxb.2013.01.017
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Artificial Propagation and Seed Breeding Technology of Sipunculus nudus

doi: 10.15886/j.cnki.rdswxb.2013.01.017

  • 1. Hainan Fisheries Institute, Haikou 570206, China;

  • 2. Haikou Nanji Fisheris Development Co., Lted, Haikou 570206, China

  • Received Date: 2012-12-13
  • Observation on the maternal culture,artificial spawning and breeding of marine worm Sipunculus nudus were conducted. The marine worm was distributed in the natural sea waters at the ratio of the male to female of about 1∶1.1,and the survival rate of the maternal marine worms was the highest when cultured in fine sand （ 0.1-2.0 mm） . Maternal marine worms spawned best when forced by a combined spawning method （ drying in the air for 3 hours + running water stimulating + semen inducing） as compared with other different artificial spawning methods. When the temperature for embryonic development fell in the range of 26. 5 ℃ to 31. 5 ℃ , the initial time for larvae to hatch from the fertilized eggs was reduced as the temperature increased. Our artificial breeding tests had produced a total of 152 000 marine worms with an average body size of 2. 8 cm long.
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Artificial Propagation and Seed Breeding Technology of Sipunculus nudus

doi: 10.15886/j.cnki.rdswxb.2013.01.017
  • 1. Hainan Fisheries Institute, Haikou 570206, China;
  • 2. Haikou Nanji Fisheris Development Co., Lted, Haikou 570206, China
  • Received Date: 2012-12-13

Abstract: Observation on the maternal culture,artificial spawning and breeding of marine worm Sipunculus nudus were conducted. The marine worm was distributed in the natural sea waters at the ratio of the male to female of about 1∶1.1,and the survival rate of the maternal marine worms was the highest when cultured in fine sand （ 0.1-2.0 mm） . Maternal marine worms spawned best when forced by a combined spawning method （ drying in the air for 3 hours + running water stimulating + semen inducing） as compared with other different artificial spawning methods. When the temperature for embryonic development fell in the range of 26. 5 ℃ to 31. 5 ℃ , the initial time for larvae to hatch from the fertilized eggs was reduced as the temperature increased. Our artificial breeding tests had produced a total of 152 000 marine worms with an average body size of 2. 8 cm long.

LIU Tianmi, FENG Quanying, YANG Mingqiu, FU Yifan, WU Pengfei. Artificial Propagation and Seed Breeding Technology of Sipunculus nudus[J]. Journal of Tropical Biology, 2013, 4(1): 88-93. doi: 10.15886/j.cnki.rdswxb.2013.01.017
Citation: LIU Tianmi, FENG Quanying, YANG Mingqiu, FU Yifan, WU Pengfei. Artificial Propagation and Seed Breeding Technology of Sipunculus nudus[J]. Journal of Tropical Biology, 2013, 4(1): 88-93. doi: 10.15886/j.cnki.rdswxb.2013.01.017
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