A method for controlling the outbreak of filamentous algae in large-scale production of giant clam seedlings

A technology of filamentous algae and giant clam, which is applied in the field of controlling the outbreak of filamentous algae in the large-scale production of giant clam seedlings, can solve problems such as death of giant clam seedlings, and achieve the goal of easy promotion, strong practicability, and improved survival rate Effect

Active Publication Date: 2020-11-13
广东蓝海海洋科技有限公司
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Problems solved by technology

[0004] In order to solve the current problem of massive death of giant clam seedlings caused by the outbreak of filamentous algae, the present invention provides a method for controlling the outbreak of filamentous algae in the large-scale production of giant clam seedlings, providing reliable technical guarantee

Method used

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  • A method for controlling the outbreak of filamentous algae in large-scale production of giant clam seedlings
  • A method for controlling the outbreak of filamentous algae in large-scale production of giant clam seedlings

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Embodiment 1

[0019] a, Physical method: In May 2017, giant clam breeding was carried out at the Sansubtropical Marine Biology Experimental Station of the South China Sea Institute of Oceanology, Chinese Academy of Sciences, and more than 800,000 giant clam spat were obtained. In July in summer, due to strong light and high temperature, filamentous algae broke out on a large scale. Filamentous algae grew on giant clam spat, culture tank bottom, tank wall and attached base coral stones. We first used a soft brush to Gently brush off the filamentous algae on the coral rocks with giant clam spat, then continue to blow off the remaining filamentous algae with a straw, and then use a hard brush to remove the filamentous algae on the bottom and wall of the tank. Remove them along with other algae, and change the water after completion. These methods can prevent large-scale outbreaks of filamentous algae;

[0020] b, Biological method: After removing most of the filamentous algae by physical metho...

Embodiment 2

[0023] a, Physical method: In May 2018, giant clam breeding was carried out at the Sansubtropical Marine Biological Experimental Station of the South China Sea Institute of Oceanology, Chinese Academy of Sciences, and more than 300,000 scaleless giant clam spat were obtained. During July to August in summer, due to strong sunlight and high temperature, filamentous algae exploded on a large scale, and the scaleless Tridacna juveniles, the bottom of the culture tank, the wall of the tank and the coral stones of the attachment base were covered with filamentous algae. We first used Gently brush off the filamentous algae on the coral rocks with scaleless giant clam spat with a soft brush, then continue to use a straw to blow off the remaining filamentous algae, and then use a hard brush to clean the bottom and walls of the tank. The filamentous algae and other algae are removed together, and the water is changed after completion. These methods can prevent large-scale outbreaks of f...

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Abstract

The invention discloses a method for controlling filamentous algae outbreak in tridacna seedling scale production. A physical method and a biological method are combined to prevent and control filamentous algae outbreak. The problem of massive dead of tridacna seedlings caused by current filamentous algae outbreak is solved. The method for controlling the filamentous algae outbreak in the tridacnaseedling scale production has the advantages of simple operation, high feasibility, high practicability, easy popularization and the like, the efficiency of tridacna scale production is obviously improved, the survival rate of tridacna is increased to more than 95%, a practice basis is provided for industrialization and commercialization of the tridacna seedlings, and reliable technical guaranteeis provided for resource recovery of the tridacna.

Description

Technical field: [0001] The invention belongs to the technical field of marine organisms, and in particular relates to a method for controlling the outbreak of filamentous algae in the large-scale production of giant clam seedlings. Background technique: [0002] Tridacna belongs to the family Tridacnaidae of molluscs Phylumbranchia and clams, and is mainly distributed in tropical coral reefs such as the Indian Ocean, the Western Pacific Ocean and the South my country Sea. In my country, the main species of giant clam include giant clam kushii, scaleless giant clam, scaled giant clam, long giant clam, nova giant clam, safflower giant clam and giant giant oyster of the genus Tridacna. Tridacna is the main framework species in the coral reef ecosystem, which can occupy more than 60% of the biomass of the coral reef ecosystem, and plays a positive and key role in maintaining the biodiversity of the coral reef and the stability of the ecosystem. Under the background of global o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K63/10A01K61/51A01K61/10
CPCY02A40/81
Inventor 李军张跃环周梓华张扬喻子牛
Owner 广东蓝海海洋科技有限公司
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