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Method for breeding loaches through bacterial-phase water system

A breeding method and technology of loach, applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of affecting the growth of loach, high economic cost, and occurrence of diseases of loach, so as to enhance the body's immunity, improve breeding efficiency, Improve the body's resistance

Inactive Publication Date: 2017-05-17
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problem that the water quality gradually deteriorates in the existing loach culture, which leads to loach disease, affects the growth of loach, and needs to replace a large amount of water to ensure the water quality, resulting in high economic costs. The purpose of the present invention is to provide a method for cultivating Bacillus subtilis in water. It is a loach breeding method to form a bacterial phase water system in the breeding pond to use the excess bait in the water, keep the water quality relatively stable for a long time, and reduce the occurrence of diseases

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of bacterial phase water system loach culture method, comprises the following steps:

[0025] (1) Disinfection of the breeding pond: Add available chlorine disinfectant to the pool water for disinfection. The concentration of available chlorine is preferably 30-50ppm. After disinfection, expose the pool water in the sun for 1 week. In order to adapt to the living habits of loach and facilitate management, the breeding pond is 5 mu, the depth of the breeding pond is 1.8 m, and the water depth of the breeding pond is 1.5 m. The bottom of the breeding pond is equipped with aeration stones and gas pipelines connected with the aeration stones. Connected with a blower with a power of 5 kw, a water wheel aerator is installed on the water surface of the breeding pond. At the same time, for the convenience of sewage discharge, a discharge hole is provided at the bottom of the cultivation pond, and the bottom of the cultivation pond is inclined to the discharge hole.

[00...

Embodiment 2

[0030] A kind of bacterial phase water system loach culture method, comprises the following steps:

[0031] (1) Disinfection of the breeding pond: Add available chlorine disinfectant to the pool water for disinfection. The concentration of available chlorine is preferably 30-50ppm. After disinfection, expose the pool water in the sun for 1 week. In order to adapt to the living habits of loach and facilitate management, the breeding pond is 7 mu, the depth of the breeding pond is 2.4 m, and the water depth of the breeding pond is 2 m. The bottom of the breeding pond is equipped with aeration stones and gas pipelines connected with the aeration stones. Connected with a blower with a power of 7 kw, two water wheel aerators are installed on the water surface of the breeding pond. At the same time, for the convenience of sewage discharge, a discharge hole is provided at the bottom of the cultivation pond, and the bottom of the cultivation pond is inclined to the discharge hole.

[...

Embodiment 3

[0036] A kind of bacterial phase water system loach culture method, comprises the following steps:

[0037] (1) Disinfection of the breeding pond: Add available chlorine disinfectant to the pool water for disinfection. The concentration of available chlorine is preferably 30-50ppm. After disinfection, expose the pool water to the sun for 2 weeks. In order to adapt to the living habits of loach and facilitate management, the breeding pond is 10 mu, the depth of the breeding pond is 3 m, and the water depth of the breeding pond is 2.5 m. The bottom of the breeding pond is equipped with aeration stones and gas pipelines connected with the aeration stones. Connected with a blower with a power of 10 kw, two water wheel aerators are installed on the water surface of the breeding pond. At the same time, for the convenience of sewage discharge, a discharge hole is provided at the bottom of the cultivation pond, and the bottom of the cultivation pond is inclined to the discharge hole. ...

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Abstract

The invention relates to the field of aquaculture and particularly discloses a method for breeding loaches through a bacterial-phase water system. The method comprises the steps of breeding pond disinfection, early phase loach breeding, stain activation and activated strain adding in a breeding pond for formation of the bacterial-phase water system. By forming the beneficial active bacterium bacterial-phase water system mainly containing bacillus subtilis in the breeding pond, the method for breeding the loaches through the bacterial-phase water system has the advantages that residual feeds and hazardous substances in water are decomposed in time, the water is purified, and the water quality is kept stable; growth of harmful pathogenic bacteria in the water is inhibited, and the body disease resistance capability of loaches is improved; floccules formed by residual feeds, excrement, protozoon and the like can be fed by the loaches, nutrients in the feeds are degraded, and the feed coefficients of the loaches are reduced; the water change and agent putting frequency is reduced, and the economic cost is reduced.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a method for cultivating loach by using Bacillus subtilis. Background technique [0002] Loach is delicious, tender and nutritious. Known as "ginseng in water", it is one of the important aquatic products exported by my country's foreign trade. Traditional loach farming generally involves cultivating water first to increase the biomass of natural bait in the water body, then putting in loach seedlings, and then slowly feeding artificial feed. The deposition and corruption of the artificial feed in the water lead to the deterioration of water quality and the growth of a large number of algae in the water, causing diseases of the loach and affecting the growth of the loach. Therefore, a large amount of water needs to be replaced regularly to maintain water quality, and drugs are regularly injected to prevent and control diseases, and the economic cost is relatively high. Chinese patent...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K63/04A23K10/18A23K10/30A23K20/163A23K50/80
CPCA01K61/00A01K63/042Y02A40/81
Inventor 高阳鲍华江何竺柳傅冠学桑勇陈前程裘丽君牟毅赵波储张杰
Owner ZHEJIANG OCEAN UNIV