Method for improving survival rate of grass carp commercial fish during high-density long-distance transportation

A technology for long-distance transportation and commercial fish, applied in fish farming, climate change adaptation, sterilization/microdynamic water/sewage treatment, etc. , to improve the loading density and survival rate, reduce metabolism and stress response, and increase economic benefits.

Inactive Publication Date: 2019-11-19
福建省淡水水产研究所 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to consumption habits, grass carp generally circulates in the consumer market as live fish, so the long-distance transportation of live fish is an important link in the grass carp farming industry. Problems such as low cost and high cost of long-distance long-distance transportation

Method used

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  • Method for improving survival rate of grass carp commercial fish during high-density long-distance transportation

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Embodiment 1

[0019] In March 2019, in Shantang No. 1, Caofang Farm Experiment Base, Weimin Town, Shunxingtai Ecological Agriculture Development Co., Ltd., Fujian Province, the average size of commercial grass carp was 2.5 kg / tail, and the method of the present invention was used to produce commercial grass carp. The high-density long-distance transportation, the steps are as follows:

[0020] (1) On March 14, 2019, the water quality of No. 1 Shantang was tested. The concentration of ammonia nitrogen reached 3.5 mg / L, the concentration of nitrite was 0.3 mg / L, and the pH was 8.4. The water quality exceeded the standard seriously. On March 15, 2019, water quality control was carried out, and the whole pool was sprinkled with ammonia nitrogen killer 107 (produced by Fujian Baihui Shengyuan Biotechnology Co., Ltd., the main components are a new generation of anaerobic biological agents, adsorbents, vitamins, etc.) and 107 companion (produced by Fujian Baihui Shengyuan Biotechnology Co., Ltd., ...

Embodiment 2

[0028] In May 2019, in Shantang No. 1, Caofang Farm Experiment Base, Weimin Town, Shunxingtai Ecological Agriculture Development Co., Ltd., Fujian Province, the average size of commercial grass carp was 2.8 kg / tail, and the method of the present invention was used to produce commercial grass carp. The high-density long-distance transportation, the steps are as follows:

[0029] (1) On May 4, 2019, the water quality of No. 1 Shantang was tested. The concentration of ammonia nitrogen reached 1.2 mg / L, the concentration of nitrite was 1.7 mg / L, and the pH was 8.7. The water quality exceeded the standard seriously. Controlled by photosynthetic bacteria, on May 5th and May 7th, 112.5 kg / hm of photosynthetic bacteria were sprayed in the whole pond 2 Water area, on May 8th and May 10th, the whole pool was splashed with granular oxygen (produced by Beijing Yujing Biotechnology Co., Ltd., the main component is sodium percarbonate), and the splashing rate was 18.75 kg / hm 2 The water ar...

Embodiment 3

[0037] 1 Materials and methods

[0038] 1.1 Test fish and transport method

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Abstract

The invention discloses a method for improving the survival rate of grass carp commercial fish during high-density long-distance transportation, and belongs to the field of transportation of live fish.Through the steps of monitoring and regulating the water quality of aquatic water and stopping meals before catching, and performing temporary culture on hanging water after catching, performing cooling anesthesia treatment, performing slow-release aeration and regulating the water quality during transportation, and the like, the problems of fish body damage, high mortality and the like caused byfish body stress, deterioration of transportation water quality and the like during high-density long-distance transportation of the grass carp commercial fish are solved; the density and survival rate of live grass carp in the long distance are increased; the carrying density can reach 1,200 to 1,300 kg / m<3> of water body; the survival rate during transportation within 30 hours of transportationdistance can reach 99% or above; the commodity value of the grass carp is greatly improved; the long-distance transportation cost of the grass carp commercial fish is greatly reduced; the operabilityis strong; the method is of great significance for promoting the sustainable and healthy development of grass carp breeding industry.

Description

technical field [0001] The invention belongs to the technical field of live fish transportation, and in particular relates to a method capable of improving the survival rate of grass carp commercial fish in high-density long-distance transportation. Background technique [0002] Grass carp is the largest aquaculture species among the bulk freshwater fish in my country. Its price is relatively low, and it is a traditional fish consumption commodity. In 2017, the total output of grass carp aquaculture in my country reached 5.3456 million tons. Due to consumption habits, grass carp generally circulates in the consumer market as live fish, so the long-distance transportation of live fish is an important link in the grass carp farming industry. Low cost, high cost of long-distance long-distance transportation and other issues. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the present invention provides a method for improving the survival rate ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10C02F1/50
CPCA01K61/10C02F1/50Y02A40/81
Inventor 樊海平钟全福陈毅超薛凌展陈斌林煜
Owner 福建省淡水水产研究所
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