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Artificial breeding method of sabot blue crab

A technology for soft-shell mud crab and mud crab, which is applied in fish farming, application, climate change adaptation, etc., can solve the problem of inability to meet the special needs of customers, and achieves increased soft-shell time, economic income, and high nutritional value. Effect

Inactive Publication Date: 2008-04-16
蒋荣响
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the soft shell of blue crab can only last for about 6 hours, it cannot meet the special needs of customers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) Self-made glass pool, bamboo slices are arranged at the bottom of the glass pool, and the bottom of the bamboo slices is separated from the bottom of the glass pool by 1cm; the glass pool is divided into several small areas by using glass slices, each area is 35 cm long, 25 cm wide and 35 cm high. cm;

[0020] (2) Thoroughly disinfect the glass pool;

[0021] (3) inject aquaculture water to the glass pond, the water level in the glass pond remains on 60 centimeters, the water body is transparent, the salinity is 5 ‰, the water temperature remains on 12 ℃, the pH value is 7.5, and the transparency of the water body is 40 centimeters;

[0022] (4) Select about 250 grams of blue crabs that have been shelled 8 times and put them into the glass pool, and put 2 blue crabs in the small area of ​​each glass pool;

[0023] (5) from the bottom of the glass pond, oxygenation of the cultured water is maintained to keep the dissolved oxygen in the cultured water at 5.1 mg / liter...

Embodiment 2

[0026] (1) self-made glass pool, bamboo slices are arranged at the bottom of the glass pool, the bottom of the bamboo slices and the bottom of the glass pool are spaced at 2cm, the glass pool is equipped with a temperature controller, and the oxygenation pipe at the bottom of the glass pool; the glass pool is divided into several by the glass pool Small areas, each 35 cm long, 25 cm wide and 35 cm high;

[0027] (2) Thoroughly disinfect the glass pool;

[0028] (3) inject aquaculture water to the glass pond, the water level height in the glass pond remains on 50 centimeters, and salinity is 15 ‰, and water temperature remains on 15 ℃, and pH value is 7.6, and the transparency of water body is 50 centimetres;

[0029] (4) Select about 250 grams of blue crabs that have been shelled 10 times and put them into the glass pool, and put in a total of 2 blue crabs, one female and one male, in the small area of ​​each glass pool;

[0030] (5) from the bottom of the glass pool, oxygena...

Embodiment 3

[0033] (1) Self-made glass pool, bamboo slices are arranged at the bottom of the glass pool, and the bottom of the bamboo slices is separated from the bottom of the glass pool by 1.5cm; the glass pool is divided into several small areas by using glass slices, each area is 35 cm long, 25 cm wide and high 35 cm;

[0034] (2) Thoroughly disinfect the glass pool;

[0035] (3) Inject aquaculture water into the glass pond, the water level height in the glass pond remains on 70 centimeters, the transparency of the water body is more than 45 centimeters, the salinity is 25‰, the water temperature remains on 16 ℃, and the pH value is 7.8;

[0036] (4) Select about 250 grams of blue crabs that have been shelled 11 times and put them into the glass pool, and put 2 blue crabs in the small area of ​​each glass pool;

[0037] (5) from the bottom of the glass pond, oxygenation of the cultured water is maintained to keep the dissolved oxygen in the cultured water at 5.8 mg / liter;

[0038] (...

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Abstract

The invention discloses a method for artificial feeding soft shell green crab, which includes self-making glass tank, setting bamboo sheets on the bottom, separating glass tank to several small regions by sheet glass; pooling aquaculture water into the glass tank after it is sterilized thoroughly, keeping the height of water level on 50cm, clear water, 15 per mill salinity, keeping water temperature on 15 DEG C, pH 7.6; selecting green crab which has hulled for 10 times and will be appeared on the market, putting 2 green crabs into small regions of every glass tank; keepin g dissolved oxygen over 5ml / L in the aquaculture water; hulling to soft shell green crab for culturing 5 days. The artificial feeding soft shell green crab of the invention can improve the bottom ecology of the glass tank, favor the survival rate in the process of green crab hulling, decrease occurrence of disease; materials with chemical constituents are not added in the period of culture, green crab has plump meat without any toxin and nutrition added valve is higher; the body weight of green crab can increase about 41% after hulling, and keeps the time of soft shell of green crab for 7days.

Description

technical field [0001] The invention belongs to the field of aquaculture, and in particular relates to a method for artificially cultivating soft-shell mud crabs. Background technique [0002] Scylla, also known as Scylla serrata, is a benthic crustacean. Because of its tender meat, delicious taste, rich nutrition, and medicinal functions such as clearing away heat, nourishing and disinfecting, it is generally welcomed by people and has high economic value. Every year from March to October in the lunar calendar, blue crabs moult naturally. After moulting, the new shells of blue crabs can generally keep soft for about half an hour, and then the soft shell will harden rapidly. However, because the soft shell of mud crab can only last for about 6 hours, it cannot meet the special needs of customers. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the object of the present invention is to provide a method for artificially cultivating hard-shel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A01K63/00
CPCY02A40/81
Inventor 蒋荣响
Owner 蒋荣响
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