Live-keeping and fresh-keeping method for live topmouth culter transportation

A technology of live transport and tuna, applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of difficult control of anesthesia concentration, harmful to human health, and accelerated metabolism of fish, and achieves expansion of sales market. The effect of secondary pollution

Active Publication Date: 2017-11-17
HUNAN UNIV OF ARTS & SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have shown that transportation activities including a series of continuous strong stimulating operations such as fishing, transshipment, and confinement will cause an increase in the level of cortisol hormones in the carp, which in turn induces an accelerated metabolic rate, disease resistance, and low tolerance. Oxygen capacity is weakened, and its survival rate is also significantly reduced, so long-distance transportation is difficult, the risk is high, and often causes serious economic losses, so it is sensitive to stress such as fishing and transportation
[0003] The methods of live fish transportation in the prior art mainly include low-temperature transportation, oxygenated transportation, anesthesia transportation, dormant transportation, etc. Among them, low-temperature transportation is to reduce the metabolic rate of fish by lowering the temperature to prolong the survival time of fish, but the operation Troublesome, and the effect is limited at the same time; Oxygenated transportation refers to putting the storage and transportation object into a plastic bag with water, flushing the high-p

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  • Live-keeping and fresh-keeping method for live topmouth culter transportation

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Experimental program
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Effect test

Embodiment 1

[0015] The live fresh-keeping and fresh-keeping method of fresh-cut carp is realized through the following aspects:

[0016] (1) Acclimatization before fishing: 15 days before fishing, start to feed the catfish with feed added with 0.1% taurine, 1% vitamin C and 0.5% allicin by weight of the feed, calculated as a percentage of the total weight of the feed , and start fishing training 8 days before fishing, that is, dragging a fishing net with a mesh larger than the fish body to move back and forth in the aquaculture water body, once a day in the morning and evening, and train for 1 hour each time;

[0017] (2) Excretion and bowel cleansing treatment: Live adult fish caught from the water body are placed in a 50m2 tank filled with aquaculture water. 3 Temporarily raise in the pool for 24 hours; and add allicin and konjac polysaccharide to the water body, the dripping amount of allicin is 0.8mg / m³ water body, the addition amount of konjac polysaccharide is 8g / m³ water body, put ...

Embodiment 2

[0023] (1) Acclimatization before fishing: 10 days before fishing, start feeding feed with 0.3% taurine, 3% vitamin C and 1% allicin to the carp, calculated as a percentage by weight of the total weight of the feed, And start fishing training 5 days before fishing, that is, drag the fishing net with a mesh larger than the fish body to move back and forth in the aquaculture water body, once a day in the morning and evening, and train for 3 hours each time;

[0024] (2) Excretion and bowel cleansing treatment: Live adult fish caught from the water body are placed in a 20m2 tank filled with aquaculture water. 3 Temporarily raise in the pool for 12 hours; and add allicin and konjac polysaccharide to the water body, the dripping amount of allicin is 0.3mg / m³ water body, the addition amount of konjac polysaccharide is 3g / m³ water body, put in every cubic meter of water body There are 15 adult carps, and the temperature is gradually lowered to about 18°C;

[0025] (3) Medicinal bait...

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Abstract

The invention discloses a live-keeping and fresh-keeping method for the live topmouth culter transportation. The method is implemented in the aspects of domestication before fishing, excretion purging treatment, drug bait treatment, re-starvation treatment, boarding transportation and the like. By means of the live-keeping and fresh-keeping method, the survival rate reaches 90% when topmouth culter is transported for 3 days, the survival rate reaches 80% or above when the topmouth culter is transported for 4 days, so that the sales market is expanded, and moreover, the freshness increasing effect and the fishiness removing effect are achieved; besides, in the transportation process, no secondary pollution to the fish quality is caused.

Description

technical field [0001] The invention relates to the technical field of live fish transportation, in particular to a live and fresh-keeping method for live carp. Background technique [0002] The chrysalis belongs to the subfamily of the chrysalis and the genus chrysalis. It is a relatively large economic fish in the middle and upper layers, and has high nutritional value. The age piece is very easy to fall off, and the fish bones in the body are relatively small and easy to be injured. Studies have shown that transportation activities including a series of continuous strong stimulating operations such as fishing, transshipment, and confinement will cause an increase in the level of cortisol hormones in the carp, which in turn induces an accelerated metabolic rate, disease resistance, and low tolerance. Oxygen capacity is weakened, and its survival rate is also significantly reduced, so long-distance transportation is difficult, the risk is high, and often causes serious e...

Claims

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Application Information

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IPC IPC(8): A01K61/10A23K10/12A23K10/30A23K20/10A23K20/142A23K20/163A23K20/174A23K20/20A23K50/80
CPCA01K61/10A23K10/12A23K10/30A23K20/10A23K20/142A23K20/163A23K20/174A23K20/20A23K50/80Y02A40/81
Inventor 杨品红王文彬韩庆张小立李梦军陈正军
Owner HUNAN UNIV OF ARTS & SCI
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