Tridacna larvae artificial breeding method capable of improving survival rate during proliferation and releasing

A technology of proliferation, release and artificial breeding, applied in fish farming, application, climate change adaptation, etc., can solve problems such as the survival rate of larvae release and difficulty in reaching bottom sowing specifications.

Active Publication Date: 2018-04-13
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, it takes at least 2 years for artificially cultivated giant clams to grow to 250g in industrialized running water, and it is difficult to reach the conventional bottom sowing specifications. Therefore, if the technical

Method used

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  • Tridacna larvae artificial breeding method capable of improving survival rate during proliferation and releasing
  • Tridacna larvae artificial breeding method capable of improving survival rate during proliferation and releasing
  • Tridacna larvae artificial breeding method capable of improving survival rate during proliferation and releasing

Examples

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Embodiment 1

[0019] A technique to improve the survival rate of artificially bred clamshell clams in the South my country Sea includes the following steps:

[0020] 1. Selection and treatment of artificial breeding clam clams: In this multiplication and release test, clam clams are derived from our breeding base in Sanya, and the sizes of clam clams are selected from 5cm-8cm, with an average of 6.2cm. Use coral reef fragments, coral sand and other calcium carbonate materials to coat the juvenile clam shells to protect the foot silk holes. Within a week before going out to sea, the clams secrete foot silk to adhere to coral sand and small coral reef fragments.

[0021] 2. Transport of clamshell: change the opaque living water tank of ordinary fishing boats into transparent plexiglass hatches, because the main nutritional method of clamshell depends on the zooxanthellae on the mantle, and the survival of zooxanthellae Insufficient photosynthesis, which is very important for releases that are far ...

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Abstract

The invention discloses a tridacna larvae artificial breeding method capable of improving the survival rate during proliferation and releasing. The method includes the steps of: performing selection and treatment on tridacna larvae for artificial breeding, and transporting the treated tridacna larvae to a sea area for proliferation and releasing; taking the tridacna larvae out of a flowing water bin, performing semi-buried treatment on the taken tridacna larvae in a calcium carbonate-material releasing base, then putting the releasing base with the buried tridacna larvae in a mesh cage rack with a lid, fixing the mesh cage rack on the bottom of the sea, and keeping the distance between the mesh cage rack and the slack tide water level at 3-15 meters and the distance between the mesh cage rack and the bottom surface of a seabed base at 30 cm or above; when the length of shells of the tridacna larvae grows to 6 cm or above, removing the tridacna and mesh cage rack, putting the removed tridacna and mesh cage rack in a coral reef area which has smooth water flow, light intensity of 6,000-12,000 LX and flat parts for growth, cleaning covering matter in time in a typhoon season, performing recovery and fixation on rollover tridacna bases, and eliminating harmful organisms. Through the tridacna larvae artificial breeding method capable of improving the survival rate during proliferation and releasing, the survival rate of the tridacna larvae can be improved effectively, and technical support can be provided for proliferation of the tridacna resource and ecological restoration of coral reefs in China.

Description

Technical field: [0001] The invention belongs to the field of artificial breeding of clam shellfish and restoration of ecological resources in the marine aquaculture industry, and specifically relates to a method for improving the survival rate of artificial breeding clam shellfish proliferation and release. Background technique: [0002] The clams belong to the largest marine bivalve species of the genus Tridacnidae, Tridacnidae, or clams. Distributed in the tropical and subtropical oceans of the Indian Ocean and the Pacific Ocean, especially in the South China Sea, the Philippines, Indonesia, and Australia. In our country, it mainly exists in the coral reef areas of the Nansha Islands, Xisha and Hainan Island, and is one of the main functional organisms of coral reefs. The maximum shell length of crustaceans is recorded as 1.8 meters, and the weight exceeds 300 kg. The growth rate of crustaceans is slow, and the annual growth rate of common species is about 5cm. [0003] The ec...

Claims

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Application Information

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IPC IPC(8): A01K61/54
CPCA01K61/54Y02A40/81
Inventor 肖述向志明张跃华李军马海涛张扬喻子牛
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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