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Abalone fry cultivation method

A breeding method and abalone technology, applied in the field of abalone seedling cultivation, can solve the problems of high larvae cultivation density, low larvae survival rate and metamorphosis rate, growth retardation, etc., and achieve the improvement of larvae attachment metamorphosis rate, reduction of mechanical damage, and improvement of survival rate effect

Inactive Publication Date: 2017-09-29
赵玉明
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for cultivating abalone seedlings, aiming to solve the problems of high density of larvae cultivation, slow growth, low survival rate and metamorphosis rate of larvae

Method used

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Embodiment Construction

[0025] In order to make the objectives, technical solutions and advantages of the present invention more clear and definite, the following examples are given to further describe the present invention in detail.

[0026] A method for cultivating abalone fry, the steps are:

[0027] S1: Pro Abalone heats up and promotes heat storage. 3 months before seedling picking, select Chinese wrinkled abalone with an individual size between 7-10cm and Japanese abalone with an individual size between 15-25cm, with strong physique, no trauma, agile foot muscles, and a male-to-female ratio of 4:1. Abalones, put them in cages or net cages, and hang them in a cultivation pool that can be inflated, heated, and kept at a constant temperature to raise the temperature and promote heat storage. Every 100 grams of parent abalones can lay 1 million eggs. The number of parent abalones is determined according to the planned amount of seedlings. , in order to ensure the number of high-quality eggs, the ...

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Abstract

The invention discloses an abalone fry cultivation method. The method comprises that: A. Benthic diatoms are cultured under strong light 2000-3000lx. B. The larvae of abalone are cultured directly in 5-10 square strip ponds, and then the sieve was selected and counted. C. According to the counting results, the number of abalone seedlings in floating period is determined, and cultured in the cultivation pond of pre-placed benthic diatom according to certain density. The cultivation method changes the time of the larvae of the abalone enter a large pool in the prior art, and therefore the cultivation of planktonic larvae is conducted in large space and low density, mechanical damages of single screen dragging selection is reduced, the dilemma of deaths of a large number of abalone larvae in the period of metamorphosis is well solved, the survival rate is improved, and the metamorphosis rate of larva is improved. The costs of abalone repurchase, nurturing, spawning and personnel employment is reduced, and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of abalone culture, in particular to a method for cultivating abalone fry. Background technique [0002] The artificial seedlings of wrinkled plate abalone and variegated abalone have been successful, and are widely used in production. In the traditional process of abalone seedling cultivation, abalone larvae are placed in benthic diatom ponds when they are about to attach and metamorphose, so that they can obtain A good bait environment will increase the metamorphosis rate of larvae and the survival rate of juvenile abalone. However, there are still many problems in the traditional abalone seedling raising technology. For example, the traditional seedling raising technology is to drag the planktonic larvae into the cultivation pool where the benthic diatoms are placed before the metamorphosis. Cultivation in limited containers (incubation tanks or tanks), high density of larvae, growth retardation, and add...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/51
CPCA01K61/51Y02A40/81
Inventor 赵玉明
Owner 赵玉明
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