A method for improving the survival rate of four-finger horsefin seedling transportation

A technology for seed transportation and four-finger horsefin seedlings, which is applied in the field of improving the survival rate of four-finger horsetail seedlings transportation, can solve the problems of strong stress response, low survival rate of four-finger horsefin seedlings, and increased physiological changes of fish fry , to achieve the effect of reducing the degree of stress response, easy operation, and strong fish body

Active Publication Date: 2022-01-07
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Threadfin is a fast-swimming fish with a strong stress response; due to changes in the environment during transportation, the physiological changes of fish fry during transportation have increased, resulting in a low survival rate of four-fingered threadfin seedlings during transportation. One of the bottleneck problems that the industry is currently trying to explore and solve

Method used

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Embodiment Construction

[0017] A method for improving the survival rate of four-finger horsefin seedling transportation, comprising the steps of:

[0018] 1. Optional transportation facilities:

[0019] 1a. Transport container: wide-mouth large plastic barrel for short-distance transport, round flat bottom, top diameter 1.3m, bottom diameter 115cm, height 1m, volume about 1.0t; long-distance transport double-layer polyethylene bag oxygenated, bag length 70-80cm, 40cm wide, about 20 liters in volume.

[0020] 1b. Oxygen supply equipment; for short-distance transportation, the on-board battery is connected to a 12V DC air compressor to inflate the fish bucket, and 2-3 air-dispersing stones are installed; for long-distance transportation, oxygen bottles are used to oxygenate the plastic bags containing fish.

[0021] 1c. Transportation vehicles; electric three-wheeled trucks for short-distance transportation within 5 kilometers, 2-ton normal-temperature box-type trucks for transportation within 50 kilo...

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Abstract

The invention discloses a method for improving the survival rate of seedlings transported by four-fingered horsefin, which comprises: 1. training of seedlings before transportation; 2. treatment before transportation; 3. management during transportation. Before transportation, the seedlings of the four-finger horsefink were trained by pulling the net to make the seedlings strong, resistant to intensive use, and resistant to manipulation, and reduce the degree of stress response to manual operations; Anti-stimulants make the survival rate of seedlings as high as 98% within 20 hours of transport by car or plane. The invention solves the technical bottleneck problem of high mortality of four-fingered horsefin seedlings due to stress response in the process of transportation and transfer to ponds, and provides technical support for realizing the scale and industrialization of four-fingered horsefin breeding.

Description

technical field [0001] The invention belongs to the technical field of seawater fish culture, and in particular relates to a method for improving the survival rate of four-fingered horsefin seedling transportation. Background technique [0002] Four-fingered horsefin (Elentheronema tetradactylum), commonly known as Ma You, Wusun, Meridian Fish, Octopus, etc., is distributed in the tropical and subtropical waters of the Indian Ocean-western Pacific Ocean, and is distributed in various sea areas in my country, especially in the South China Sea. This fish has a wide range of salinity adaptation, fast growth, good meat quality and high economic value. At present, it has been cultivated on a certain scale in the southeast coast of my country. It is a new species with great development potential. [0003] Seed transportation is an important technical link in the production of marine fish aquaculture. It can adjust the surplus and shortage of fry fish to ensure the production needs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A01K63/02A01K63/04A61K31/375A61K31/185A61P43/00A61P37/04
CPCA01K61/10A01K63/02A01K63/042A61K31/375A61K31/185A61P43/00A61P37/04Y02A40/81
Inventor 区又君李益民李加儿温久福李俊伟
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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