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Breeding method capable of reducing gill-rot disease of carps

A breeding method and a technique for gill rot disease are applied in the breeding field for reducing carp gill rot disease, and can solve the problems of high mortality rate, economic loss of breeding production, strong specificity, etc., so as to reduce the occurrence of diseases and reduce carp gill rot disease. The effect of reducing the disease and carp gill rot disease

Inactive Publication Date: 2018-08-24
平南县正达种养专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Carp has the advantages of fast growth, good meat quality, and strong fecundity. Acute gill rot of carp is an acute infectious disease that is more common in carp farming in recent years. , causing huge economic losses to aquaculture production

Method used

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  • Breeding method capable of reducing gill-rot disease of carps
  • Breeding method capable of reducing gill-rot disease of carps

Examples

Experimental program
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Effect test

Embodiment 1

[0051] A culture method for reducing carp gill rot disease, comprising the steps of:

[0052] (1) Fish pond cleaning: Select a pond with an area of ​​4 mu, a pond depth of 1.8 meters, and a silt thickness of 8 cm as a fish pond. Seven days before the fish fry enter the fish pond, clean the pond with quicklime for disinfection, and set the water inlet and drains, and then add clean river water to the fish pond, the depth of the river is half of the fish pond, and close the water inlet and outlet, the dissolved oxygen content in the water is 6mg / L;

[0053] (2) Fish fry selection: The fry must be inspected and quarantined before stocking, and the selection is of pure quality, healthy and disease-free, and the specifications are neat;

[0054] (3) Throwing fry: choose the early morning of fine weather, the temperature of the fish pond is 16 degrees Celsius, put the fry in a plastic bag with oxygen, then put the fry together with the plastic bag into the upwind place of the fish p...

Embodiment 2

[0060] A culture method for reducing carp gill rot disease, comprising the steps of:

[0061] (1) Fish pond cleaning: choose a pond with an area of ​​15 mu, a pond depth of 2.6 meters, and a silt thickness of 10 cm as a fish pond. 10 days before the fish fry enter the fish pond, clean the pond with quicklime for disinfection, and set up the water inlet and drains, then add clean river water to the fish pond, the river water depth is half of the fish pond, and close the water inlet and outlet, the dissolved oxygen content in the water is 10mg / L;

[0062] (2) Fish fry selection: The fry must be inspected and quarantined before stocking, and the selection is of pure quality, healthy and disease-free, and the specifications are neat;

[0063] (3) Throw in fry: select the early morning of fine weather, fish pond temperature is 20 degrees Celsius, put fry in the plastic bag that feeds oxygen, then put the fry together with the plastic bag into the upwind place of the fish pond to re...

Embodiment 3

[0069] A culture method for reducing carp gill rot disease, comprising the steps of:

[0070] (1) Fish pond cleaning: Select a pond with an area of ​​5 mu, a pond depth of 1.9 meters, and a silt thickness of 8.5 cm as a fish pond. Eight days before the fry enter the fish pond, clean the pond with quicklime for disinfection, and set the water inlet and drains, and then add clean river water to the fish pond, the depth of the river is half of the fish pond, and close the water inlet and outlet, the dissolved oxygen content in the water is 7mg / L;

[0071] (2) Fish fry selection: The fry must be inspected and quarantined before stocking, and the selection is of pure quality, healthy and disease-free, and the specifications are neat;

[0072](3) Throwing fry: choose the early morning of fine weather, the temperature of the fish pond is 17 degrees Celsius, put the fry in a plastic bag with oxygen, then put the fry together with the plastic bag into the upwind of the fish pond to rel...

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Abstract

The invention belongs to the technical field of aquaculture, and relates to a breeding method capable of reducing a gill-rot disease of carps. The method comprises the following steps: (1) cleaning afish pond; (2) selecting fries; (3) throwing the fries; (4) throwing feed and performing later-period management: stocking juvenile fish, 1-2 weeks before the juvenile fish are subjected to stocking,performing feeding by throwing powdery mixed feed composed of rice bran meal, rapeseed meal and wheat bran powder according to a weight ratio of 1:2:0.5 for 2 times every day, wherein a daily feedingamount is 2-3% of a body weight of the fish, after 2 weeks, performing feeding by throwing carp feed for 2-3 times every day, wherein a daily feeding amount is 2.2-3.5% of a body weight of the fish, and injecting water into the fish pond once every 5-7 days, wherein a water adding amount is 10-15 cm of a height of the fish pond every time; and (5) preventing and controlling a fish disease. Experiments prove that the method provided by the invention can significantly reduce an incidence rate of the gill-rot disease of the carps, improve a survival rate of breeding, and increase breeding incomes.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a culture method for reducing gill rot disease of carp. Background technique [0002] Carp has the advantages of fast growth, good meat quality, and strong fecundity. Acute gill rot of carp is an acute infectious disease that is more common in carp farming in recent years. , causing huge economic losses to aquaculture production. The onset of acute gill rot in carp is rapid. At the beginning of the onset, some carp have "dark floating head" or roaming phenomenon, and their breathing is slow. Moreover, when the onset occurs, the eating conditions of the fish are basically normal. On the first day of the disease, 3-5 carps will die sporadically in a small amount. From the second day onwards, the carp death rate increases rapidly. The carp with the disease is fished out and observed. There is no obvious abnormality on the body surface. There are white spots on the ...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/13A23K50/80A23K10/20A23K10/30A23K10/37A23K10/22A23K10/26A23K20/174A23K20/105A23K20/158C02F1/50A01N65/42A01N59/06A01N59/14A01N43/16A01N31/06A01P3/00A01P1/00A61K36/8968A61P31/04A61K33/14A61K31/79A61P33/00A61K31/7036A61K31/045A61K33/06A61K33/22
CPCA01K61/10A01K61/13A01N31/06A01N43/16A01N59/06A01N59/14A01N65/00A01N65/08A01N65/20A01N65/30A01N65/32A01N65/36A01N65/40A01N65/42A23K10/20A23K10/22A23K10/26A23K10/30A23K10/37A23K20/105A23K20/158A23K20/174A23K50/80A61K31/045A61K31/7036A61K31/79A61K33/06A61K33/14A61K33/22A61K36/185A61K36/195A61K36/315A61K36/42A61K36/484A61K36/489A61K36/704A61K36/708A61K36/718A61K36/756A61K36/88A61K36/8966A61K36/8968A61P31/04A61P33/00C02F1/50A61K2300/00Y02A40/81Y02A40/818Y02P60/87
Inventor 李达耀
Owner 平南县正达种养专业合作社
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