Artificial urechis unicinctus fry and fingerling culture method

A technology of single-ring thorn and artificial cultivation, which is applied in the field of breeding, can solve the problems of inability to multiply and release, pond culture, inability to grow commercial products, and low survival rate, so as to save breeding costs, prevent diseases, and reduce production costs. Effect

Active Publication Date: 2018-06-05
河北省海洋与水产科学研究院
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Problems solved by technology

Ordinary spring seedlings can only come out of the pond after mid-June when the body length is about 1cm. The outside water temperature has exceeded 25° (coastal Hebei), and it is impossible to multiply and release and

Method used

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Embodiment Construction

[0044] Embodiments of the present invention will be described in detail below in conjunction with examples, but those skilled in the art will understand that the following examples are only for illustrating the present invention, and should not be regarded as limiting the scope of the present invention. Those who do not indicate the specific conditions in the examples are carried out according to the conventional conditions or the conditions suggested by the manufacturer. The reagents or instruments used were not indicated by the manufacturer, and they were all commercially available conventional products.

[0045] The method for artificially cultivating seedlings of Echinopsis monoringus comprises the following steps:

[0046] A single-ringed weeter brood holding

[0047] From mid-September to mid-October, the autumn seedling production of C. monoringensis will be carried out;

[0048] This time, we purchased 56 catties of single-ringed weedlings with body length ≥ 20cm; te...

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Abstract

The invention discloses an artificial urechis unicinctus fry and fingerling culture method. Fry and fingerling culture is started in autumn. The method includes the steps: S1 urechis unicinctus parentselection and temporary culture; S2 artificial spawning and natural insemination; S3 incubation and larva selection; S4 daily management of planktonic larvae; S5 young artificial urechis over-wintering culture. According to the artificial urechis unicinctus fry and fingerling culture method, the water temperature of a natural sea area is reduced, water quality is stable, diseases are not easily caused, an idle fry and fingerling culture workshop in winter is sufficiently used, water changing quantity is small, heating is omitted, production cost is reduced, fries and fingerlings can be discharged from a pond in the middle ten days of April after indoor over-wintering growth for 4-5 months in winter, fry and fingerling discharging time is 2 months shorter than that of fry and fingerling culture in spring, fry and fingerling specifications reach about 5cm and are far larger than those of the fries and fingerlings cultured in spring, survival rate is increased by 30% or more, and early fries and fingerlings and large fries and fingerlings are discharged. Farmers perform culture for 5 months, and the fries and fingerlings can be successively harvested and appear on the market at the end of September in the current year.

Description

technical field [0001] The invention belongs to the field of breeding, and in particular relates to a method for artificially cultivating seedlings of Echinococcus monoringensis. Background technique [0002] Urechis unicinctus (Urechis unicinctus) is a marine benthic organism belonging to the Urechizoa phylum, Acanthidae, Echinaceae, and Urechis genus. The single-ringed weed is distributed in China, Japan and South Korea. In China, it is mainly distributed in the intertidal zone or subtidal muddy substrate along the coast of the Yellow and Bohai Seas. The production is relatively large in Penglai and Yantai, Shandong Province. [0003] The current artificial cultivation of seedlings of the single-ringed weeter is spring seedling raising. Ordinary spring seedlings can only come out of the pond after mid-June when the body length is about 1cm. The outside water temperature has exceeded 25° (coastal Hebei), and it is impossible to multiply and release and pond culture. The su...

Claims

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Application Information

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IPC IPC(8): A01K61/40A23K50/80A23K10/30A23K10/18
CPCA01K61/40A23K10/18A23K10/30A23K50/80
Inventor 付仲赵春龙崔兆进张志峰刘海燕杨超臣姚新悦刘婧美赵雅贤
Owner 河北省海洋与水产科学研究院
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