Hatching equipment and method for diodon holacanthus fertilized eggs

A technology of fertilized eggs and six-spotted thorns, which is applied in the fields of climate change adaptation, fish farming, application, etc., can solve the problems of artificial breeding and breeding technology gaps, etc., and achieve the effect of simple structure and improved success rate

Inactive Publication Date: 2017-05-31
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, its artificial breeding and breeding technology is still blank at present.

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  • Hatching equipment and method for diodon holacanthus fertilized eggs

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Embodiment Construction

[0020] Below in conjunction with embodiment, the present invention will be further described:

[0021] Six-spotted spinyfish broodstock was purchased from wild broodstock caught by fishermen at Tanmen Wharf, Hainan, and then selected healthy and disease-free individuals with a body weight of more than 2kg were used for breeding.

[0022] 1. Preparation of hatching facilities

[0023] The hatching facility consists of a circular cement pool with a diameter of 2.5m and a depth of 1.5m and a cage made of 100-mesh silk screen with a diameter of 2m and a height of 1.2m. The upper half of the hatching cage is cylindrical and the lower half is conical. Add seawater to 1.3m in the hatching cement pool, sterilize with 10ppm hypochlorous acid, neutralize with the same amount of sodium thiosulfate, aerate for 24 hours, add 0.5ppm EDTA, continue to aerate, and set aside.

[0024] For the structure diagram of the hatching equipment, see figure 1 .

[0025] Incubation facilities are cha...

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Abstract

The invention relates to the technical field of aquaculture, in particular to hatching equipment and method for diodon holacanthus fertilized eggs. The hatching equipment for the diodon holacanthus fertilized eggs provided by the invention comprises a hatching pond, a hatching net cage and an inflating device, wherein the hatching pond is provided with an upper open cavity; the hatching net cage and the inflating device are arranged in the open cavity. The hatching method provided by the invention comprises the following steps: putting cleaned fertilized eggs in seawater for sterilization; flushing the fertilized eggs with clean seawater; placing the flushed fertilized eggs into the hatching equipment provided by the invention for hatching. By adopting the hatching equipment provided by the invention, the success rate in hatching the fertilized eggs can be increased. Moreover, the hatching net cage is made of a 100-mesh silk net, so that the fertilized eggs are prevented from leaking from the net cage, the water quality inside and outside the net cage are kept consistent, and newly-hatched larva fishes are prevented from being injured due to an excessively-hard net cage material. The hatching equipment has a simple structure, and is easy to operate, and the hatching efficiency of diodon holacanthus can be increased greatly.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a hatching device and a hatching method for the fertilized eggs of spinyfish. Background technique [0002] Diodonholocanthus (Diodonholocanthus) is a species of ray-finned fishes, Pufferiformes, Diodonidae, and is commonly known as Qiguazi, Ciguide and so on. Tropical marine demersal fish mainly inhabit shallow reef areas, soft bottom seas or open waters. Generally live alone, sometimes gather in groups, and juvenile fish live in the ocean. The meat of the six-spotted puffer is delicious, and the fish skin is rich in collagen. It is very popular in the market, and the highest price can reach 200-240 yuan / kg. The market potential is huge. At present, the source of six-spotted puffer is all sea fishing, and the amount of resources has also declined sharply due to overfishing by fishermen. [0003] As a species with important development potential, six-spotted pufferfish ha...

Claims

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Application Information

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IPC IPC(8): A01K61/17A01K61/60A01K63/04
CPCA01K63/042Y02A40/81
Inventor 岳彦峰彭士明夏连军张晨捷席寅峰邹雄
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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