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Temporary raising method before transportation of live Atlantic salmon

A fresh and temporary pond technology, applied in fish farming, application, climate change adaptation, etc., can solve problems that have not been reported in the research, and achieve the effects of reducing mortality, reducing stress injuries, and facilitating management

Active Publication Date: 2013-05-08
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] So far, no research has been reported on the holding method of fresh and live Atlantic salmon before transportation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 (dissolved oxygen level and water flow rate in holding tank are not optimized)

[0022] 1) Water quality adjustment before temporary breeding

[0023] The holding pool is an ordinary running water aquaculture pool with a diameter of 6.0 meters and a depth of 0.8 meters. A total of 36 ordinary aeration stones with a diameter of 1.0 mm are evenly distributed on the bottom of the pool, and fresh seawater is sprayed clockwise through the pipeline into the holding pool; After the holding pool is disinfected and cleaned, fresh seawater is added to the water depth of the holding pool to 60cm, and then the new water in the holding pool is continuously replaced during the holding period. The amount of new water replacement is 1 / 4 volume / hour of the holding pool; The flow rate of the water flow is 15cm / s, the air pump is turned on, and the dissolved oxygen level of the temporary water body is about 85% of the dissolved oxygen saturation; the light intensity is adjusted ...

Embodiment 2

[0029] Example 2 (the velocity of water flow in the holding pond is not optimized)

[0030] 1) Water quality adjustment before temporary breeding

[0031] The holding pond is an ordinary running water aquaculture pond with a diameter of 6.0 meters and a depth of 0.8 meters. There are a total of 36 ordinary aeration stones, which are evenly distributed on the bottom of the whole pond. The diameter of air bubbles exposed by the air stones is 1.0mm; Temporary pool. After the holding pool is disinfected and cleaned, fresh seawater is added to the water depth of the holding pool to 60cm, and then the seawater in the holding pool is continuously replaced during the holding period. The flow rate of the water is 15cm / s. After the water flow is stable, turn on the air pump and the oxygen cylinder, and adjust the dissolved oxygen concentration in the holding water body to about 120% dissolved oxygen saturation; adjust the light intensity to 3 times the light intensity of the Atlantic s...

Embodiment 3

[0039] 1) Water quality adjustment before temporary breeding

[0040] The holding pond is an ordinary running water aquaculture pond with a diameter of 6.0 meters and a depth of 0.8 meters. There are a total of 36 ordinary aeration stones, which are evenly distributed on the bottom of the whole pond. The diameter of air bubbles exposed by the air stones is 1.0mm; Temporary holding pool; submersible pump with a maximum lift of 3.5m and a water lifting capacity of 1.2m 3 / h, the water outlet direction is clockwise. After the holding pool is disinfected and cleaned, fresh seawater is added to the water depth of the holding pool to 60cm, and then the seawater in the holding pool is continuously replaced during the holding period. The kinetic energy brought by the water and the submersible pump connected to the holding pool jointly promote the water flow, and adjust the flow rate of the new water in the holding pool to 40cm / s. After the water flow is stable, turn on the air pump an...

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Abstract

The invention belongs to a primary link of a live fish transportation technology system and particularly provides a temporary raising method before transportation of live Atlantic salmon. The Atlantic salmon in a culture system is moved to a temporary raising pool. By adjusting temporary raising density in the temporary raising pool, dissolved oxygen level, water flow speed, light and temporary raising time, capacity of resisting stress and adapting to long-distance transportation conditions of the Atlantic salmon is strengthened, and a survival rate in the transportation process is further improved.

Description

technical field [0001] The invention belongs to the primary link of the live fish transportation technology system, and specifically relates to a method for temporarily raising fresh and live Atlantic salmon before transportation. Background technique [0002] my country is the largest mariculture country in the world. In 2010, the mariculture production reached 14.685 million tons, accounting for more than 80% of the world's total mariculture production. The mariculture industry and its products have become an important part of my country's national economy and protein sources for residents. With the development of society, people pay more and more attention to issues such as food safety, quality and price level, which makes the problems of safe supply and logistics of aquatic products increasingly prominent. Due to the high guarantee in terms of food safety, quality and price, fresh and live aquatic products have high market competitiveness and acceptance rate at home and...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 刘宝良刘鹰江鑫王顺奎于凯松刘子毅李贤
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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