Cultivation method for tripnenstes gratilla larvae

A cultivation method and technology of sea urchins, which are applied in the field of cultivating sea urchin seedlings of three rows of sea urchins, can solve problems such as difficult to meet the needs of artificial breeding, endanger marine ecology, and low hatching rate, achieve important economic and social values, and promote The effect of developing and improving the success rate

Pending Publication Date: 2020-06-19
海南蓝泰邦生物技术有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the natural environment, the hatching rate of sea urchin seedlings in three rows of white spines is extremely low, generally one in a million, which is not only difficult to meet the needs of artificial breeding, but also causes a decrease in wild resources, which greatly endangers the marine ecology

Method used

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  • Cultivation method for tripnenstes gratilla larvae

Examples

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Effect test

Embodiment 1

[0023] A method for cultivating sea urchin seedlings in three rows of white spines, comprising the following steps:

[0024] (1) Set up a cement pool indoors as a nursery pond. The length, width, and height of the nursery pool are 2.5m×3.0m×1.0m, and an inlet and drainage system is installed. After disinfection, seawater is injected to a depth of 0.8m; the injected seawater has been sanded 4 times Filtered and sterilized by UV light.

[0025] (2) Select the fertilized eggs of three rows of sea urchins of high-quality Radix Acanthopanax and put them into the nursery ponds. The density of putting in is to put 1.5 million fertilized eggs per cubic meter of water body, that is, put 150×2.5×3.0×0.8=9 million in each nursery pond In the middle of the nursery pool, put 2 air heads per square meter, and the air volume is 20L / min for micro-inflation. The seawater in the nursery pool is controlled to have a pH value of 7, a salinity of 30, a temperature of 28°C and a DO (dissolved oxyge...

Embodiment 2

[0033] A method for cultivating sea urchin seedlings in three rows of Acanthus alba, the method is the same as in Example 1, and the distinguishing feature is that in step (2), the seawater in the seedling pond is controlled to have a pH value of 8.3, a salinity of 32, and a temperature of 30°C.

Embodiment 3

[0035] A method for cultivating sea urchin seedlings in three rows of Alpinia spinach, the method is the same as in Example 1, and the distinguishing feature is that in step (2), the seawater in the seedling pond is controlled to have a pH value of 9, a salinity of 35, and a temperature of 28°C.

[0036] Comparison of three-row sea urchin seedlings with different breeding methods

[0037] According to the specification of embodiment 1, seedling ponds and stocking density are set, and 6 seedling ponds are set. Experimental groups 1-5 respectively adopted different cultivation methods to cultivate three-row sea urchin seedlings of Alpinia sinensis. The control group adopted a conventional cultivation method, specifically referring to the cultivation method adopted in "Study on Artificial Cultivation Techniques of Sea Urchin Seedlings in Three Rows of White Acanthopanax" published in "Hebei Fishery" by Tang Heming in 2008. The 6 groups of experiments were all collected seedlings...

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Abstract

The invention belongs to the field of aquaculture, and particularly relates to a cultivation method for tripnenstes gratilla larvae. Incubation equipment is manually installed, and incubation conditions are controlled, and living concentrated chaetoceros is taken as delivered feed, and meanwhile, the water quality of an incubation water body is kept by delivering bacillus licheniformis and effective microorganisms (EM), so that the success rate of incubation of the tripnenstes gratilla larvae can be obviously improved, and the incubation rate can reach 0.4% or more. According to the cultivation method for tripnenstes gratilla larvae disclosed by the invention, a new superior variety is provided for development of tropical sea urchin culture in China, and development of tropical sea urchinculture industry in China can be effectively promoted; abundant cultured larvae are provided for ocean pastures of coastal sea areas in Hainan province and Sansha sea areas, and new employment post and ways are provided for fishermen to transfer jobs; and the cultivation method has very important economic value and social value.

Description

technical field [0001] The invention belongs to the field of aquaculture, and in particular relates to a method for cultivating sea urchin seedlings of three rows of white spines. Background technique [0002] Tripneustes gratilla belongs to the class Echinoidea, order Camarodonta, and belongs to the family Toxopneustidae. It is only found in the South my country Sea in China and is an endangered species. The sea urchin with three rows of white spines is the largest edible sea urchin and the fastest growing one. The shell diameter can reach 15cm, the weight can reach 1kg, and the shell diameter can reach 7-8cm in one year, reaching the commercial sea urchin product specifications. Its gonad (commonly known as sea urchin yellow) is rich in protein and physiologically active substances beneficial to the human body, and is a delicious high-end health care product. Sea urchin is not only of high edible value, but also has high medicinal value, and is a marine organism with hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/30A23K50/80A23K10/18A01K63/04A23K10/30
CPCA01K63/04A23K10/18A23K10/30A23K50/80A01K61/30
Inventor 翁文明翁如意
Owner 海南蓝泰邦生物技术有限公司
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