Method for breeding tiger squid

A technology of tiger squid and broodstock, which is applied in the field of tiger squid seedlings, can solve the problems of unclear nutritional requirements of tiger squid, lack of practical technology, and difficulty in large-scale breeding, and achieve the goal of being suitable for large-scale production, easy to transport and transfer, The effect of high film rate

Active Publication Date: 2016-06-22
ZHEJIANG OCEAN UNIV
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Problems solved by technology

[0002] Tiger squid grows rapidly, and can grow up to 4kg a year. It is a very ideal breeding species, but there is no breakthrough in artificial breeding technology. The main problem is that the early nutritional requirements of tiger squid are not clear, resulting in early seedlings and death. The rate is very high, and large-scale breeding is difficult
In addition, there is no more practical technology to use in brood feeding and larva opening bait.

Method used

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  • Method for breeding tiger squid
  • Method for breeding tiger squid
  • Method for breeding tiger squid

Examples

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Effect test

Embodiment

[0017] Example: refer to Figure 1 to Figure 3 , the tiger squid seedling raising method, it comprises the following steps:

[0018] Temporary parenting: put the parent body in the cement pond for temporary cultivation, the stocking density of the parent body is 0.5-2 per square meter; the depth of the cement pond is 1.5-3 meters, and the bottom of the pond is covered with 10-20 cm thick fine sand; temporary cultivation of sea salt The salinity is 25-35‰, and the water temperature is 17-31°C. In this embodiment, the preferred salinity is 35‰, and the water temperature is 20°C. Keep constant running water, shade, inflate, keep quiet, and use the clamp-type feeding device to feed fresh and live small miscellaneous fish and shrimp; the clamp-type feeding device can improve the utilization rate of bait, and the feeding rate is also higher than the existing The technology is better, it helps the body to strengthen its physique, and it can effectively prevent the water quality dete...

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Abstract

The invention discloses a method for growing tiger squid seedlings, which comprises the steps of temporarily raising broodstock, collecting eggs, hatching eggs, and cultivating larvae, using a rope clamp type breeding and feeding device to feed fresh and live small miscellaneous fish and shrimps, which improves the utilization of bait rate, and the feeding rate is also better than the existing technology, which helps the body to strengthen its physique, and can effectively prevent water quality deterioration caused by residual bait. The tiger squid egg picker has higher egg attachment rate than the prior art, and is easy to transport and transfer. At the same time, because the tiger squid egg picker with egg strings is placed in the air for 1-3 minutes The method can stimulate the surface of the egg membrane of tiger squid while draining the water on the surface of the egg string, and has a higher membrane yield than conventional technical means. Therefore, the present invention has the advantages of convenient operation, small loss of broodstock, high rate of ovum membrane production, little water pollution, and is suitable for large-scale production.

Description

technical field [0001] The invention relates to a method for raising seedlings of cephalopods, in particular to a method for raising seedlings of tiger squid. Background technique [0002] Tiger squid grows rapidly, and can grow up to 4kg a year. It is a very ideal breeding species, but there is no breakthrough in artificial breeding technology. The main problem is that the early nutritional requirements of tiger squid are not clear, resulting in early seedlings and death. The rate is very high, and large-scale breeding is difficult. At present, the used ovipositors for cephalopod indoor artificial seedlings are mostly red bricks, cement hollow bricks or branch-like plastics, which are heavy and not suitable for hanging when hatching, and are extremely inconvenient to operate. Such as the Chinese invention patent application "Changyao egg picker", application number 200810230010.9, which discloses a long steep egg picker, which is characterized in that the egg picker is wel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 吕振明常抗美朱爱意
Owner ZHEJIANG OCEAN UNIV
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