Volume 30 Issue 4
Jul.  2009
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PAN Xiao-fu, LIU Shu-wei, LI Zai-yun, YANG Jun-xing. Artificial Propagation and Larvae Cultivation of Sinocyclocheilus tingi. Zoological Research, 2009, 30(4): 463-467. doi: 10.3724/SP.J.1141.2009.04463
Citation: PAN Xiao-fu, LIU Shu-wei, LI Zai-yun, YANG Jun-xing. Artificial Propagation and Larvae Cultivation of Sinocyclocheilus tingi. Zoological Research, 2009, 30(4): 463-467. doi: 10.3724/SP.J.1141.2009.04463

Artificial Propagation and Larvae Cultivation of Sinocyclocheilus tingi

doi: 10.3724/SP.J.1141.2009.04463
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  • Corresponding author: YANG Jun-xing
  • Received Date: 2009-05-22
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2009-08-22
  • The Fuxian golden line (Sinocyclocheilus tingi) is a famous fish endemic to Fuxian Lake. From March to April 2009, four breeding experiments were undertaken. 40 females and 20 males were injected with hormones. 19 females and 15 males bred successfully, accounting for 47.5% of females and 75.0% of males. A total of 25 547 eggs were obtained and subjected to dry-fertilization, with 16 810 eggs being fertilized with a 65.8% success rate. 6 040 larvae were obtained with a 23.6% hatching rate. 3 056 larvae survived 20 days of cultivation with a 50.6% survival rate. Reproductive dysfunctions are major constraining factors to low Induced spawning of S. tingi in a captive environment. Artificial conditions that did not reflect the necessary natural environment of the fish may have also been a factor. This paper also addresses the issue of massive larvae mortality. Determining the constraints of artificial propagation is critical to the transfer of this species into cultivation fish. The presented success in propagation of S. tingi will contribute to understanding its biology and protection from extinction.
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Artificial Propagation and Larvae Cultivation of Sinocyclocheilus tingi

doi: 10.3724/SP.J.1141.2009.04463
    Corresponding author: YANG Jun-xing

Abstract: The Fuxian golden line (Sinocyclocheilus tingi) is a famous fish endemic to Fuxian Lake. From March to April 2009, four breeding experiments were undertaken. 40 females and 20 males were injected with hormones. 19 females and 15 males bred successfully, accounting for 47.5% of females and 75.0% of males. A total of 25 547 eggs were obtained and subjected to dry-fertilization, with 16 810 eggs being fertilized with a 65.8% success rate. 6 040 larvae were obtained with a 23.6% hatching rate. 3 056 larvae survived 20 days of cultivation with a 50.6% survival rate. Reproductive dysfunctions are major constraining factors to low Induced spawning of S. tingi in a captive environment. Artificial conditions that did not reflect the necessary natural environment of the fish may have also been a factor. This paper also addresses the issue of massive larvae mortality. Determining the constraints of artificial propagation is critical to the transfer of this species into cultivation fish. The presented success in propagation of S. tingi will contribute to understanding its biology and protection from extinction.

PAN Xiao-fu, LIU Shu-wei, LI Zai-yun, YANG Jun-xing. Artificial Propagation and Larvae Cultivation of Sinocyclocheilus tingi. Zoological Research, 2009, 30(4): 463-467. doi: 10.3724/SP.J.1141.2009.04463
Citation: PAN Xiao-fu, LIU Shu-wei, LI Zai-yun, YANG Jun-xing. Artificial Propagation and Larvae Cultivation of Sinocyclocheilus tingi. Zoological Research, 2009, 30(4): 463-467. doi: 10.3724/SP.J.1141.2009.04463

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