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In-vitro culture technology for fertilized ova of beautiful white shrimps

A technology of beautiful white shrimp and fertilized eggs, which is applied in the field of aquaculture, can solve the problems of in vitro cultivation of fertilized eggs and other problems, and achieve the effects of neat specifications, avoiding big eating and small feeding, and high hatching rate.

Inactive Publication Date: 2011-10-19
FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
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  • Abstract
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Problems solved by technology

[0004] At present, the researches on C. elegans mainly focus on growth, feeding habits, cell biology, oxygen consumption, etc. There are few reports on seedling breeding technology, and the in vitro culture technology of fertilized eggs is even blank.

Method used

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Embodiment Construction

[0024] A technique for in vitro cultivation of fertilized eggs of Cadenia prawns, comprising the following steps:

[0025] (1) Preparation of hatching water: After fully aerated tap water is filtered through a 70-80 mesh nylon sieve, the temperature is 20-30°C and the pH is between 7.0-8.3;

[0026] (2) Preparation of incubation container: Choose a glass or plastic circular container with a smooth inner surface, and install a microporous oxygenation tube at the bottom. Oxygen pump connection;

[0027] (3) Selection of egg-bearing shrimp: From late May to July, select fresh or dead but not whitened egg-bearing shrimp with a body length of more than 30mm, good development, no parasites on the body surface, and transparent body color;

[0028] (4) Separation of broodstock and eggs: use sterile scissors close to the abdomen to carefully cut off the appendages and side armor on both sides, close the scissors, and use the front end of the scissors to pick from the middle of the abd...

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Abstract

The invention discloses the in-vitro culture technology for fertilized ova of beautiful white shrimps, which is characterized by comprising the following steps of: preparing incubating water, selecting brooding shrimps, separating parental shrimps from the ova, disinfecting, incubating, managing daily and the like. Parents of the beautiful white shrimps are easy to die in the processes of catching and transportation, so the ova of the brooding shrimps which just died can be subjected to in-vitro incubation to save the cost of purchase of the parents, and the shrimp ova are more convenient to transport; part of parent shrimps also can be prevented from nibbling shrimp seedlings after being bred, so that the survival rate of the shrimp seedlings is improved; and the beautiful white shrimps of which the ova are cut also can be used for preparing dried shrimps to avoid the waste of resources.

Description

technical field [0001] The present invention relates to an aquaculture technology, in particular to a batch culture technology of fertilized eggs of Caenopsis prawn in vitro. Background technique [0002] Beauty White Shrimp ( Exopalaemon modestus ) belongs to the class Crustacea, Decapod order, Crabidae, and Shrimp genus, and is widely distributed in freshwater lakes and rivers in my country, both in the north and the south. Among the shrimp species in Taihu Lake, Xiuli white shrimp accounts for more than 50%. As one of the main economic catch objects of Taihu Lake "Three Whites of Taihu Lake", Xiuli white shrimp occupies a very important position in the fishery of Taihu Lake in terms of output and output value. In recent years, on the one hand, with the continuous development of industries around Taihu Lake and the continuous increase of population, the water pollution problem of Taihu Lake has become increasingly serious, and the reproduction and survival of the beautif...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 徐东坡施炜纲张敏莹段金荣刘凯周彦锋
Owner FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
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