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A composition for preventing and treating sturgeon streptococcosis and its application

A streptococcal disease and composition technology, applied in the field of aquatic disease prevention and control, can solve the problems of high mortality and ineffective prevention and control of mortality, and achieve the effects of good curative effect, prevention of cross-infection, and less dosage

Active Publication Date: 2021-07-20
云南省渔业科学研究院 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the deterioration of the environment and the excessive use of drugs, corresponding problems have also been brought about, that is, the drug resistance of the sturgeon pathogenic bacteria is constantly increasing and changing, especially "Streptococcus dolphin"
The lethal symptoms of sturgeon infected with Streptococcus iniae are: redness and swelling of the anus, bleeding around the mouth at the tip of the snout, congestion at the end of the intestinal tract, and a high mortality rate. The mortality rate can reach 90% without effective control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1 A kind of cultivation method of preventing and treating Sturgeon streptococcosis

[0037] 1. Prevention program

[0038] 1) Cage cleaning

[0039] Before throwing seedlings, thoroughly decontaminate the culture net cage and the bottom to remove attachments, and use chlorine dioxide (3g / m 3 ) Disinfect the cages to kill the remaining pathogens.

[0040] 2) Seed disinfection

[0041] Newly introduced fish fry should be bathed with 50ppm povidone iodine for 3 minutes before putting them into the net cage. Special attention should be paid to the sufficient dissolved oxygen in the water during bathing.

[0042] 3) Enhance resistance

[0043] Add allicin to the bait for the newly thrown fry and feed it at 0.04g per kilogram of fish body for 1 week to regulate the stomach and enhance the fish's non-specific immune resistance to pathogenic infection.

[0044] 4) Prevention of disease

[0045] Before the period of high disease incidence, increase the feeding of ...

Embodiment 2

[0053] Embodiment 2 A kind of culture method of preventing and treating Sturgeon streptococcosis

[0054] 1. Prevention program

[0055] 1) Cage cleaning

[0056] Before throwing seedlings, thoroughly decontaminate the culture cages and the bottom to remove attachments, and disinfect the cages with compound iodine trioxide (250ml per mu per meter of water depth) to kill residual pathogens.

[0057] 2) Seed disinfection

[0058] Newly-introduced fish fry are soaked in 30 ppm glutaraldehyde aqueous solution for 5 minutes before putting them into the net cage, and special attention should be paid to the sufficient dissolved oxygen in the water during bathing.

[0059] 3) Enhance resistance

[0060] Add allicin to the bait of the newly thrown fry and feed it at 10% of the diet for one week to regulate the stomach and enhance the fish's non-specific immune resistance to pathogenic infection.

[0061] 4) Prevention of disease

[0062] Before the period of high disease incidence...

Embodiment 3

[0071] 200 diseased hybrid sturgeons with a size of 15-30 cm were taken, and the experiment was divided into four groups (A, B, C, D), and 50 hybrid sturgeons were randomly selected from each group. Group A is the blank control group; group B is the immune enhancement group; group C is the drug administration group; group D is the drug administration group + immune enhancement group.

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PUM

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Abstract

The invention provides a composition for preventing and treating streptococcosis of sturgeon and its application, which belongs to the technical field of aquatic disease prevention and control. The composition includes the following components: immune enhancer, vitamin C, three yellow powder, streptozotocin and Florfenicol. Applying the composition of the invention to the sturgeon breeding can make the survival rate of the streptococcus diseased sturgeon reach 80%-90%, and can effectively prevent cross-infection in large-scale breeding. The composition of the present invention is easy to use, less in dosage, short in duration of treatment, good in curative effect, can effectively kill Streptococcus dolphin, has good disease control effect on diseased fish, and is not easy to repeat, which greatly improves the health of diseased fish. Survival rate, reducing the economic loss of farmers.

Description

technical field [0001] The invention relates to the technical field of aquatic disease prevention and control, in particular to a composition for preventing and treating sturgeon streptococcosis and its application. Background technique [0002] Sturgeon (Sturgeon) is the oldest fish in the world with the largest body size, the longest lifespan. In recent years, with the advancement of the market, the sturgeon industry has also developed towards scale and specialization, and enterprises and individual breeding units have gradually formed a system. However, with the deterioration of the environment and the excessive use of drugs, corresponding problems have also been brought about, that is, the drug resistance of sturgeon pathogenic bacteria is constantly increasing and changing, especially Streptococcus dolphin. The lethal symptoms of sturgeon infected with Streptococcus iniae are: redness and swelling of the anus, bleeding around the mouth at the tip of the snout, congesti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K36/756A61P31/04A61K31/165A61K31/255A61K31/375
CPCA61K31/165A61K31/255A61K31/375A61K36/539A61K36/708A61K36/756A61P31/04A61K2300/00
Inventor 梁祥邓玉婷张涛王静赵飞吴俊颉谭爱萍宋建宇崔正伟熊燕张正兴
Owner 云南省渔业科学研究院