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Comprehensive control method for ictalurus punctatus fin rot

A technology for channel catfish fin rot disease and channel catfish, which is applied in the field of comprehensive prevention and control of channel catfish fin rot disease, can solve problems such as lack of biological comprehensive control methods for channel catfish fin rot disease, affect commercial fish production, and batch death, so as to enhance physical fitness and immune prevention ability, improvement of fish intestinal flora, and high nutritional value

Inactive Publication Date: 2017-08-11
YANGTZE RIVER FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the disease occurs, it will cause mass death, directly affect the production of commercial fish, and cause a large loss
Enhancing nutrition, enhancing the physique of channel catfish and immune prevention are the most effective and most critical preventive measures for this disease, but there is no comprehensive biological control method for channel catfish fin rot disease in the prior art, and the present invention aims to solve this technical problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A comprehensive control method for channel catfish fin rot disease, the steps of the control method are as follows:

[0042] (1) First-level cultivation: select fish fry with a size below 1 cm, and raise them in an indoor hatching pond with an area of ​​3 m2, a water depth of 12 cm, and a stocking density of 8,000 fish / square meter. In the first-level cultivation stage, a sufficient amount of rotifers are fed as Open bait;

[0043] (2) Secondary cultivation: After primary cultivation to fish fry with a size of 1 cm or more, enter the outdoor nursery pond for secondary cultivation. The outdoor nursery pond has an area of ​​5 square meters, a water depth of 20cm, a stocking density of 6000 fish / square meter, and feeding in the secondary cultivation stage. Sufficient rotifers as bait;

[0044] (3) Three-level cultivation: The size of the three-level cultivation pool is 150 square meters, the water depth is 40cm, the stocking density is 2000 fish / square meter, the bait is ...

Embodiment 2

[0062] A comprehensive control method for channel catfish fin rot disease, the steps of the control method are as follows:

[0063] (1) First-level cultivation: select fish fry with a size below 1cm, and raise them in an indoor hatching pond with an area of ​​4㎡, a water depth of 20cm, and a stocking density of 10,000 fish / square meter. In the first-level cultivation stage, a sufficient amount of rotifers are fed as Open bait;

[0064] (2) Secondary cultivation: After primary cultivation to fish fry with a size of 1cm or more, enter the outdoor nursery pond for secondary cultivation. The outdoor nursery pond has an area of ​​8 square meters, water depth of 30cm, stocking density of 6500 fish / square meter, and feeding in the secondary cultivation stage. Sufficient rotifers as bait;

[0065] (3) Three-level cultivation: The size of the three-level cultivation pool is 30 square meters, the water depth is 50cm, the stocking density is 2500 fish / square meter, the bait is rotifer, ...

Embodiment 3

[0083] A comprehensive control method for channel catfish fin rot disease, the steps of the control method are as follows:

[0084] (1) First-level cultivation: select fish fry with a size below 1cm, and raise them in an indoor hatching pond with an area of ​​4㎡, a water depth of 18cm, and a stocking density of 9,000 fish / square meter. In the first-level cultivation stage, a sufficient amount of rotifers are fed as Open bait;

[0085](2) Secondary cultivation: After primary cultivation to fish fry with a size of 1 cm or more, enter the outdoor nursery pond for secondary cultivation. The outdoor nursery pond has an area of ​​6 square meters, a water depth of 25cm, a stocking density of 6200 fish / square meter, and feeding in the secondary cultivation stage. Sufficient rotifers as bait;

[0086] (3) Three-level cultivation: The size of the three-level cultivation pool is 20 square meters, the water depth is 45cm, the stocking density is 2020 fish / square meter, the bait is rotife...

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Abstract

The invention relates to a comprehensive control method for ictalurus punctatus fin rot. The method comprises the steps of 1 primary culturing, 2 second culturing, 3 three stage culturing, 4 intensive breeding and 5 daily management; composite nutrition enhancer bait is prepared from, by weight, 30-40 parts of soybean meal, 50-60 parts of fish bone meal, 20-30 parts of poultry intestine powder, 10-20 parts of mango peel powder, 10-20 parts of grape peel powder, 8-12 part of houttuynia cordata powder, 8-12 parts of chitosan, 8-12 parts of propolis powder, 5-8 parts of rice bran polypeptides, 4-6 parts of mannoproteins, 1-3 parts of multivitamin BC and 1-2 parts of composite mineral salts through processing. The composite nutrition enhancer bait is good in feed attraction property, high in absorption and utilization rate and capable of significantly improving water quality of a breeding pond. By feeding the composite nutrition enhancer bait in the breeding period to strengthen nutrition and enhance ictalurus punctatus constitution and immunoprophylaxis capacity, comprehensive control over the ictalurus punctatus fin rot is achieved.

Description

technical field [0001] The invention relates to a method for comprehensive prevention and treatment of channel catfish fin rot disease, belonging to the technical field of channel catfish disease prevention and treatment. Background technique [0002] channel catfish ( Ictalurus punctatus ), native to the Americas, also known as channel catfish, has the characteristics of fast growth, wide temperature range, and strong disease resistance. It feeds on pelleted feed and has a low coefficient of nutritional enhancers, which is suitable for intensive and large-scale farming. Channel catfish meat is tender, delicious, rich in protein and unsaturated fatty acids, and is deeply loved by consumers in the United States, the European Union and other countries. However, due to its low local production, most of the demand depends on imports. The outlook is promising. [0003] The pathogen of channel catfish fin rot is Aeromonas hydrophila. All fish from the current year to spawning b...

Claims

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Application Information

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IPC IPC(8): A01K61/13A23K50/80A23K10/37A23K10/22A23K10/26A23K10/30A23K20/163A23K10/20A23K20/147A23K20/174A23K20/20A23K10/12A23K10/14
CPCA01K61/00Y02A40/81Y02A40/818Y02P60/87
Inventor 杨移斌艾晓辉杨秋红余琳雪刘永涛胥宁董靖
Owner YANGTZE RIVER FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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