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Breeding method of crassostrea rivularis

A breeding method and technology of oyster seedlings, applied in fish farming, climate change adaptation, animal feed, etc., can solve the problem of pH drop in the upper layer of seawater, and achieve the effect of tender meat

Inactive Publication Date: 2018-01-19
GUILIN RONGTONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the industrial revolution, the ocean has absorbed a large amount of CO emitted by humans 2 , has caused the pH value of the upper seawater to drop by 0.1

Method used

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  • Breeding method of crassostrea rivularis
  • Breeding method of crassostrea rivularis
  • Breeding method of crassostrea rivularis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The culture method of big oyster comprises following technical steps:

[0027] 1) Cultivation: Select a sea area with a salinity of 15-16 degrees as the growing area. From April to the end of August every year, put the oyster seedlings in the growing area for normal cultivation with reference to the existing technology;

[0028] 2) Fattening: From the end of August to September every year, transfer the oysters raised to a size of 10cm in the growing area to the fattening area rich in microorganisms for fattening and breeding. After 30-40 days of breeding;

[0029] 3) Protection: transfer the oysters taken out in step 3) to the pond surrounded by the junction of salty and fresh water at the estuary of the river, and add additives twice a day at regular intervals. Once at 16:00 p.m., desalinated and trimmed for 7-15 days, and then moved the oysters that did not meet the best specifications for the market back to the fattening area for fattening;

[0030] Step 3) describe...

Embodiment 2

[0039] The culture method of big oyster comprises following technical steps:

[0040]1) Cultivation: Select a sea area with a salinity of 15-16 degrees as the growing area. From April to the end of August every year, put the oyster seedlings in the growing area for normal cultivation with reference to the existing technology;

[0041] 2) Fattening: From the end of August to September every year, transfer the oysters raised to a size of 10cm in the growing area to the fattening area rich in microorganisms for fattening and breeding. After 30-40 days of breeding;

[0042] 3) Protection: Transfer the oysters taken out in step 3) to the pond surrounded by the junction of salty and fresh water at the estuary of the river, and add additives twice a day at regular intervals. The amount of additives added is based on 5.0% of the weight of the oysters, and it is added at 8:00 a.m. every day Once at 16:00 p.m., desalinated and trimmed for 7-15 days, and then moved the oysters that did n...

Embodiment 3

[0053] The culture method of big oyster comprises following technical steps:

[0054] 1) Cultivation: Select a sea area with a salinity of 15-16 degrees as the growing area. From April to the end of August every year, put the oyster seedlings in the growing area for normal cultivation with reference to the existing technology;

[0055] 2) Fattening: From the end of August to September every year, transfer the oysters raised to a size of 10cm in the growing area to the fattening area rich in microorganisms for fattening and breeding. After 30-40 days of breeding;

[0056] 3) Protection: transfer the oysters taken out in step 3) to the pond surrounded by the junction of salty and fresh water at the estuary of the river, and add additives 2 times a day at regular intervals. Once at 16:00 p.m., desalinated and trimmed for 7-15 days, and then moved the oysters that did not meet the best specifications for the market back to the fattening area for fattening;

[0057] Step 3) descri...

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Abstract

The invention discloses a breeding method of crassostrea rivularis. The method comprises the following technical steps of 1, breeding, wherein a sea area of which the salinity is 15-16 degrees is selected as a breeding area, from April to the end of August year, crassostrea rivularis spats are put in the breeding area to be normally bred according to the prior art; 2, fattening, wherein from the end of August to September, crassostrea rivularis which is grown to 10 cm in the breeding area is transferred to a fattening area which is rich in microorganisms to be fattened and bred, and breeding is conducted for 30 to 40 days; 3, protection, wherein crassostrea rivularis which is taken out in the third step is transferred to a pond which is enclosed by a salt-fresh water meeting area of a river marine outfall, additives are timely put every day, after desalting repairing breeding is conducted for 7-15 days, crassostrea rivularis which does not reach an optimal marketing specification is moved to the fattening area to be fattened. The soft parts of crassostrea rivularis obtained through the additives are white in color, and few black parts or black spots are generated; in the aspect ofthe mouthfeel, such as the mouthfeel after steaming, the meat is tender and smooth.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a method for cultivating large oysters. Background technique [0002] Jinjiang oyster (Crassostrea rivularis), also known as big oyster and raw oyster, is one of the four most valuable seafood in Qinzhou, Guangxi. The meat can be eaten fresh, or processed into oyster sauce and oyster sauce. Oyster meat is a high-protein, low-fat, delicious aquatic product with high nutritional and health functions. The protein content of oyster meat exceeds 40%, which is rich in nutrition and delicious. It is known as "milk in the sea". Can be used as medicine. Oyster meat is rich in taurine, which can promote human brain development. Near River oyster is one of the main species of oyster culture in my country. It belongs to brackish water species and is mainly distributed in many estuaries along the coast of South China. Near River oysters are rich in nutrition, and their artificial breed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/54A23K50/80A23K20/163A23K20/22A23K20/24A23K20/174A23K10/00
CPCY02A40/81
Inventor 张松波
Owner GUILIN RONGTONG TECH CO LTD
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