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Long-distance transportation method of seawater groupers

A technology for long-distance transportation and grouper, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of unfavorable sales market development, large geographical span of production and sales, and high mortality of grouper, so as to increase the transportation load. , The effect of reducing transportation cost and respiratory rate

Pending Publication Date: 2018-11-02
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Seawater grouper is produced in sea areas. Due to the large production and sales area and immature preservation technology, etc., the transportation cost is high and the mortality rate of grouper during transportation is high, which leads to the increase in the cost of grouper. Take advantage of the development of its sales market

Method used

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  • Long-distance transportation method of seawater groupers
  • Long-distance transportation method of seawater groupers
  • Long-distance transportation method of seawater groupers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) In September 2017, 50 pearl gentian groupers (average weight 500g) to be transported were put into the laboratory preservation transport system. The keep-alive transportation system is equipped with a cyclone protein separator, a biomechanical filter, a refrigerator, and a PP holding tank with a volume of 1 cubic meter. The fish body was kept alive for 48 hours in 330L of natural purified seawater with a salinity of 25‰ and a dissolved oxygen of 7.0-8.0 mg / L at 25°C. The refrigeration unit was turned on for program cooling, and the temperature was lowered to 13°C. , let the pearl gentian grouper enter a dormant state;

[0031] Among them, the program cooling process is: the cooling rate is 3°C / h, and the water temperature is reduced from 25°C to 20°C for 100 minutes; the cooling rate is 2°C / h, and the water temperature is reduced from 20°C to 15°C after 150 minutes; h, after another 120 minutes, the water temperature dropped from 15°C to 13°C. During the whole coo...

Embodiment 2

[0035] The process of this example is the same as that of Example 1, except that the temperature of the water body in the preservation transport box is kept at 20-22°C, and after 72 hours of long-distance transportation, the survival rate is 80%.

Embodiment 3

[0037] The process of the present embodiment is the same as that of Example 1, except that the seawater grouper used is the oblique grouper, and after long-distance transportation for 72 hours, the survival rate was 92%.

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Abstract

The invention discloses a long-distance transportation method of seawater groupers. The method includes the following processes: the step S1 of conducting feed deprivation and temporary rearing on thefresh seawater groupers in the seawater and then conducting programmed cooling on the seawater to a temperature of 13-14 degrees to let the seawater groups to be under anesthetic; the step S2 of transferring the seawater groupers under anesthetic to a transport vehicle with a water temperature of 15-18 degrees for long-distance transportation. According to the method, the sweater groupers are under the anesthetic state through the reasonable programmed cooling process, and the metabolism and stress response of the groupers are significantly reduced, so that the transportation loss of the seawater groupers is reduced during the transfer process and the transportation process, the transportation load is improved, and the survival rate of over 90% can be ensured within 72h transportation distance. In addition, the method can be used for transporting the seawater groupers in high density, ensures high transportation volume of the seawater groupers while ensuring high survival rate, greatly reduces the transportation cost and is favorable for development of the grouper market.

Description

technical field [0001] The invention belongs to the field of seawater grouper transportation, and more specifically relates to a long-distance transportation method for seawater grouper. Background technique [0002] Seawater grouper is widely distributed in tropical and subtropical waters, and is a rare and valuable fish at the bottom of warm water offshore. Its suitable temperature range is 15-34°C, and the optimum water temperature is 22-28°C; its suitable salt range is wide, and it can survive in sea areas with a salinity above 10‰. Seawater grouper is a carnivorous and fierce fish that preys on benthic crustaceans, various small fishes and cephalopods in a surprise manner. Seawater grouper is rich in nutrition, tender and white, similar to chicken, and known as "sea chicken". Because of its high polyunsaturated fatty acid and protein content, it has high use value and health care value, and is promoted by Hong Kong and Macao as the Chinese food. One of the four famous...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81
Inventor 范秀萍秦小明章超桦陈建平朱乾峰
Owner GUANGDONG OCEAN UNIVERSITY
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