CN105284675B - A kind of biological feed preparation method for breeding loach - Google Patents

A kind of biological feed preparation method for breeding loach Download PDF

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Publication number
CN105284675B
CN105284675B CN201510598621.9A CN201510598621A CN105284675B CN 105284675 B CN105284675 B CN 105284675B CN 201510598621 A CN201510598621 A CN 201510598621A CN 105284675 B CN105284675 B CN 105284675B
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water
loach
kilograms
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culture
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CN105284675A (en
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袁洪波
辛国彬
辛泽威
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Yuanrui Biotechnology Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Feed For Specific Animals (AREA)
  • Fodder In General (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The invention discloses a kind of biological feed preparation methods for breeding loach, using microorganism cultivation method, select the effective microorganism preparation of independent research, mainly there are lactic acid bacteria, saccharomycete, actinomyces and bacillus etc., whole-process control is carried out to culture-cycle ecological environment, pond is mainly reflected in and does the primary biologicals sport technique segments such as water, fish fry mark seedling, spice nursing, water quality improvement;Control of microorganisms is adhered in cultivation, chemicals is substituted with effective microorganism preparation, this adheres to that not medication succeeds, also walked out the first step for loach ecologic breeding under the conditions of high density, the aquaculture overall background of weight drug.The loach kind that the present invention is bred, head is big, and color is golden yellow, and build is big and fleshy, and meat is plump, and particularly growth is fast, and the culture-cycle is short, and for general 6-8 months monomers loach weight up to 2-3 liang, high financial profit is deep to be welcome by raiser.

Description

A kind of biological feed preparation method for breeding loach
Technical field
Technical field more particularly to a kind of biological feed preparation method for breeding loach the present invention relates to cultivation.
Background technology
Bullhead is small fishes, and traditional loach head is small, and growth is slow, and the culture-cycle is long, usually 20 months.Loach is wide Ground, the edibles such as the general China for being distributed in Asia bank, Japan, Korea, Russia and India are used as medicine.Also contain in loach body Abundant nucleosides, nucleosides are the main ingredient of various vaccines, can improve body anti-virus ability.Phosphoglucomutase is to liver Scorching cancer has good auxiliary therapeutic action.Loach fish containing good protein, fat, vitamin A, vitamin B1, niacin, iron, Phosphorus, calcium etc..Its is sweet in flavor, mild-natured, has tonifying middle-Jiao and Qi, supports kidney production of sperm effect.There is preferable effect to adjusting sexual function.Man Often eating loach can nourishing and fit keeping function.It is sweet in flavor mild-natured, there is the effect of warm middle QI invigorating, clear diuresis, removing toxic substances cure haemorrhoids.Loach fine and tender taste, Nutritive value is very high, and sliding saliva plays the role of antibacterial anti-inflammatory.Jaundice with damp-heat pathogen, after being ill difficult urination, the diseases such as night sweat can be controlled.
Application publication number is that the patent of invention of 103875564 A of CN discloses a kind of loach breeding method, including following step Suddenly:(1) rearing pool is built;(2) pond is cleared and sterilized;(3) seed is put in a suitable place to breed;(4) feedstuff feeding;(5) water quality management;(6) daily management; Application publication number be 101574067 A of CN patent of invention disclose a high-density cultural method of loaches, including bottom of pond design with The water drainage-supply system of construction, high-density breeding technology and design loach pond carries out water quality management;In the prior art, referring to As above two patents of invention, are typically fed using feed.It is rare using being also no lack of of feeding of chemicals, it is this complete The loach taste that feed or chemicals are fed is bad, and is unfavorable for people's health.
Invention content
The purpose of the present invention is to provide a kind of loach microorganism cultivation methods, and whole control is carried out to culture-cycle ecological environment System, is mainly reflected in pond and does the primary biologicals sport technique segments such as water, fish fry mark seedling, spice nursing, water quality improvement;Adhere in cultivation Control of microorganisms substitutes chemicals with effective microorganism preparation, this is in high density, the aquaculture overall background condition of weight drug Under, adhere to that not medication succeeds.
To achieve the above object, the present invention the technical solution to solve the technical problem is that:
A kind of loach microorganism cultivation method, includes the following steps:
Step 1: water is done in pond:Including culture algae and the aquatic bait of culture, wherein:
Cultivate algae:Standby 2-3 mus of native one, the pools, pool bottom is exposed to the sun 3 days or more using sunlight, abundant using solar UV Disinfection, then pool soil surface is spread on quick lime is uniformly dry, then intake 30 centimeters, it is spare after waiting for 3 days;Include adding later micro- Bacteria agent and the culture algae bio factor, wherein:
Add microbial bacterial agent:10 kilograms of 20 kilograms of complex micro organism fungicide and photosynthetic bacteria are added by the water surface per acre, uniformly It splashes to water surface for aquaculture, steeps pool Neng Shi pools bottom organic matter and ferment, nutrient source is converted into, so as to enhance natural, ecological water ring Border;After 3-5 days by water be filled into 60 centimeters it is spare;
Cultivate the algae bio factor:Prepare 100 one, kg capacity white plastic buckets or transparent plastic bag, take fresh cow dung 30 Kilogram, 5 kilograms of chicken manure, 3 kilograms of complex micro organism fungicide, 0.5 kilogram of brown sugar adds 40 kilograms of water, seals and ferment 3 days under sunlight, Temperature ferment when high, sunny it is quicker, otherwise it is slow, pays attention to that sealing container will be there are sufficient space, otherwise can be by appearance of fermenting Device rises brokenly;It after fermentation, is filtered with 120 mesh screens, cow dung fiber is removed, the microculture water after filtering is by per acre 40 It kilogram uniformly splashes in the water surface, main function is culture algae phase, and the feature for playing algae is vivid light green, transparent cool and refreshing air for water colour, ph values 6-8, it is most suitable for 25 degree or so of temperature;
Cultivate aquatic bait:1 kilogram of 3-4 two groups of silver carp is taken, is placed in 20 kilograms of complex micro organism fungicides and impregnates 2, fish protein was undecomposed, takes out in mesh bag, and be diagonally placed on pond respectively, a large amount of biologies can be turned out after 7 days Bait comes;The standard of harvesting is that, per 10 or so, mesh under microscope, visually observing 500 milliliters of measuring cups has 15-20, harvesting Method is that floating pump one is placed on native one jiao of the pool, and setting 200 mesh nylon in 120 degree of angles before floating pump blocks two, and 15 are set after floating pump Rice is long, and 30 centimeter of 200 mesh biological feed of diameter receives one, worm net;5-8 kilograms of biological feed can be harvested within 1 hour under normal circumstances, It is beaten in the case of oxygen viable 5 hours after the water outlet of these biological feeds, the local distance needs to biological feed can be met.
Step 2: fish fry mark seedling:
First, the biological feed harvested is fed in loach seedlings aquaculture pond for daily 2-3 times, young living bait is supplied;Two It is the trophism for giving full play to photosynthetic bacteria:Photosynthetic bacteria bacterium solution is fed into the young with 1% -5% water body proportioning, the young can be made The very little seedling nurturing period was shortened to 7 days by 10 days, and for growth of seedling to 3.5 centimeters or more, young survival rate reaches 92%;
Step 3: spice is fed:
60 centimeters of pond waters of original are filled into 90 centimeters;Before seedling 5-7 days is thrown, first launches complex micro organism fungicide and photosynthetic Bacterium, ratio 2:1, dosage per acre 20:10 kilograms;Complex micro organism fungicide is added on the day of throwing seedling, launches microbial inoculum region with throwing seedling Place corresponds to, and throws seedling second day by normal artificial forage feed, complex micro organism fungicide 2% is taken to be stirred with feed mixed proportion It mixes, since feed is dry shape particulate material, microbial inoculum is filled pond water in advance when being stirred with material, is then mixed again with feed by microbial inoculum, Microbial inoculum batch mixing is uniform and can be impregnated into feed completely;Mixing time control is no less than 30 minutes before nursing, feeds 2 daily Secondary, daily 9 points and 4 points of morning and afternoon is each primary;
Step 4: water quality improvement:The loach breeding period is divided into three-stage:Early period, mid-term and later stage;
Early period is Seedling Stage, and temperature is not high, and the small dispensing feed of seedling is few, and fish excrement is few, and water quality is relatively preferable, leads at this time It to be safeguarded with photosynthetic bacteria based on water body, every water surface on the 10th spilled once photosynthetic bacteria, 10 kilograms of mu dosage;
Mid-term temperature gradually increases, nursery fast growth, and appetite increases, and the various microorganisms of water body also accelerate to breed, fish body Excreta sinks to pool bottom with the residual bait do not eaten up, and starts to ferment, and water quality moves towards management difficulty;By complex micro organism fungicide and light It closes bacterium solution to use simultaneously, two bacterium ratio photosynthetic bacterias:Composite microbial bacteria is 2:1, also can two bacterium be used alternatingly, be watered within every 15 days The even water surface of splashing is primary,, can be by the sticky pollutant of pool bottom corruption after launching 24 hours when composite microbial bacteria is used alone The water surface is got to, it with sieve should be skimmed in lower air port in time, be conducive to bottom and change;
Later stage temperature has built up, and temperature can reach 35 degree, and fish body has started to grow up, and appetite increases, and various microorganisms are big Amount breeding, the excreta of residual bait and fish precipitates at pool bottom to be accumulated, and water quality starts to get worse, some fish ponds go out because of eutrophy water quality in addition Existing cyanobacteria, if handling not in time, pool bottom can black fouling, and ammonia nitrogen and nitrite are easily exceeded;Meanwhile fish body bubble, gill rot, The common diseases such as parasite, rotten tail, skin start to occur, at this moment in addition to normal use complex micro organism fungicide and photosynthetic bacterium solution, also Increase biological water-bed modifying agent, uniformly launch the water surface, sink to behind the bottom of the pool can deodorization removing toxic substances and it there is stronger egg The activity of white enzyme, lipase and amylase promotes the degradation of feed residual bait nutrient and enhancing fish body immunity;But it is noted that The bacterium has stronger oxygen consumption effect, in use, avoiding using when weather is sultry, to prevent reducing water body dissolved oxygen amount;Answer multiselect Select fine, whens some gentle breezes launches, and after dispensing, it is more preferable to open aerator effect;If there is cyanobacteria in pond, also optional With bacillus subtilis, mixing sodium humate uses, and also has better effects, should avoid using chemicals such as copper sulphate, to prevent Destroy biomechanism environment.
As the preferred embodiment of embodiment, mixing of the biological water-bed modifying agent for bacillus licheniformis and zeolite powder Object.
As the preferred embodiment of embodiment, the complex micro organism fungicide by following mass percent microorganism group into: Acetic acid bacteria and Bifidobacterium Bifidum 70%;Saccharomycete 25%;Bud is satisfied bacillus 2%;Photosynthetic bacteria and actinomyces 3%.
Specific embodiment
Present invention is disclosed a kind of loach microorganism cultivation methods, and water, fish fry mark seedling, spice nursing and water quality are done including pond Improvement steps:
Step 1: water is done in pond:Including culture algae and the aquatic bait of culture, wherein:
Cultivate algae:Standby 2-3 mus of native one, the pools, pool bottom is exposed to the sun 3 days or more using sunlight, abundant using solar UV Disinfection, then pool soil surface is spread on quick lime is uniformly dry, then intake 30 centimeters, it is spare after waiting for 3 days;Include adding later micro- Bacteria agent and the culture algae bio factor, wherein:
Add microbial bacterial agent:10 kilograms of 20 kilograms of complex micro organism fungicide and photosynthetic bacteria are added by the water surface per acre, uniformly It splashes to water surface for aquaculture, steeps pool Neng Shi pools bottom organic matter and ferment, nutrient source is converted into, so as to enhance natural, ecological water ring Border;After 3-5 days by water be filled into 60 centimeters it is spare;The complex micro organism fungicide by following mass percent microorganism group Into:Acetic acid bacteria and Bifidobacterium Bifidum 70%;Saccharomycete 25%;Bud is satisfied bacillus 2%;Photosynthetic bacteria and actinomyces 3%;
Cultivate the algae bio factor:Prepare 100 one, kg capacity white plastic buckets or transparent plastic bag, take fresh cow dung 30 Kilogram, 5 kilograms of chicken manure, 3 kilograms of complex micro organism fungicide, 0.5 kilogram of brown sugar adds 40 kilograms of water, seals and ferment 3 days under sunlight, Temperature ferment when high, sunny it is quicker, otherwise it is slow, pays attention to that sealing container will be there are sufficient space, otherwise can be by appearance of fermenting Device rises brokenly;It after fermentation, is filtered with 120 mesh screens, cow dung fiber is removed, the microculture water after filtering is by per acre 40 It kilogram uniformly splashes in the water surface, main function is culture algae phase, and the feature for playing algae is vivid light green, transparent cool and refreshing air for water colour, ph values 6-8, it is most suitable for 25 degree or so of temperature;
The culture of algae is to do the basis of water, and algae is not only rich in 50-60% protein, and 10% or so fat closes The amino acid ligand ratio of reason, loach grow required unrighted acid and vitamin etc., but also are for cultivating or strengthening The primary condition of the animalities biological feed such as wheel animalcule, cladocera, Copepods in breeding water body is cultivated, while algae is in photosynthesis Under, oxygen is released, and absorb eutrophy ingredient in water, play the role of purifying water.
Cultivate aquatic bait:Biological algae water is the premise of culture of living feeds, and culture of living feeds is loach breeding again Important link.After water phase plays algae, so that it may set about cultivating biological feed.Biological feed refers to after manually cultivating, and feeds to mud The living bait that loach eats mainly is made of the animalities biological feed such as wheel animalcule, cladocera, Copepods.It is that the fry young is best Opening material and influence loach young survival rate key.In natural culture pond, biological feed and water symbiosis, but content It is very low, it can not meet the needs to biological feed, easier method is thus:
1 kilogram or so of 3-4 two groups of silver carp is taken, is placed in 20 kilograms of complex micro organism fungicides and impregnates 2, the flesh of fish Albumen is undecomposed, takes out in mesh bag, and be diagonally placed on pond respectively, and a large amount of biological feeds can be turned out after 7 days;It adopts The standard of receipts is, per 10 or so, mesh under microscope, visually observing 500 milliliters of measuring cups has 15-20, and the method for harvesting is, Floating pump one is placed on native one jiao of the pool, and setting 200 mesh nylon in 120 degree of angles before floating pump blocks two, and 15 meters of long, diameters are set after floating pump 30 centimeter of 200 mesh biological feed receives one, worm net;5-8 kilograms of biological feed can be harvested within 1 hour under normal circumstances, these biologies It is beaten in the case of oxygen viable 5 hours after bait water outlet, the local distance needs to biological feed can be met.
Step 2: fish fry mark seedling:
Spray is also referred to as in the so-called fish fry of aquaculture, refers to the fry young, from spawning and hatching to formation fish fry about 5 days or so, It is the commodity seeding stage from fish fry to 3.5 centimeters of long fish bodies, about needs under normal circumstances 20 days or so.It is a cun seedling at wherein 10 days or so It is phase, the most key, person consumption seedling stage.Period is that totally, fish body will be voluntarily in nature for confession alimentary egg flavine in fish carcass It looks for food, finds opening material.In natural environment, high-density breeding loach can not meet under ecological environment at all to biological feed need It asks, people start manually bait such as prawn slice, egg yolk, eel powder, mixed feed etc., and some is also splashed with soya-bean milk to seedling pond In, result all not very people's wills.Over 2 years, the present inventor adheres to being fed with biological feed, obtains prominent effect.
First, the biological feed harvested is fed in loach seedlings aquaculture pond for daily 2-3 times, young living bait is supplied;Two It is the trophism for giving full play to photosynthetic bacteria:Photosynthetic bacteria bacterium solution is fed into the young with 1% -5% water body proportioning, the young can be made The very little seedling nurturing period was shortened to 7 days by 10 days, and for growth of seedling to 3.5 centimeters or more, young survival rate reaches 92%;
Step 3: spice is fed:
60 centimeters of pond waters of original are filled into 90 centimeters;Before seedling 5-7 days is thrown, first launches complex micro organism fungicide and photosynthetic Bacterium, ratio 2:1, dosage per acre 20:10 kilograms;Complex micro organism fungicide is added on the day of throwing seedling, launches microbial inoculum region with throwing seedling Place corresponds to, this is because loach seedlings can generate collision and scratch in transport is packaged, and composite microbial bacteria has anti-inflammatory and skin Skin repair, at the same seedling also have because the ring change border a few days at the beginning of stress reaction not from it is in situ the characteristics of, throw seedling second day by normal Man-made feeds are fed, and complex micro organism fungicide 2% is taken to be stirred with feed mixed proportion, since feed is dry shape particulate material, Microbial inoculum is filled pond water by microbial inoculum in advance when being stirred with material, is then mixed again with feed, and microbial inoculum batch mixing is uniform and can be impregnated with completely Into feed;Mixing time control is no less than 30 minutes before nursing, daily to feed 2 times, daily 9 points and 4 points each one of morning and afternoon It is secondary;It is using the main function of complex micro organism fungicide:After complex microbial community enters fish body alimentary canal, with advantage beneficial bacterium Strain colonizes rapidly in enteron aisle, and Tiny ecosystem in fish body is on the one hand made to maintain balance, on the other hand resists adventitious viruses infection, and enhancing is anti- Body plays the effect that strong sprout early period, mid-term be disease-resistant, the later stage fattens.Again since bacterium solution has a stronger wine flavour in itself, after spice It is very agreeable to the taste, significantly improve feed conversion rate.
Step 4: water quality improvement:Since loach breeding is long compared to the shrimp culture period, increased to the management of water quality Difficulty.At present, aquaculture controls water quality with chemobiotic drug per family, undoubtedly brings high risks to healthy aquaculture. The loach breeding period is divided into three-stage by the present invention:Early period, mid-term and later stage;
Early period is Seedling Stage, and temperature is not high, and the small dispensing feed of seedling is few, and fish excrement is few, and water quality is relatively preferable, leads at this time It to be safeguarded with photosynthetic bacteria based on water body, every water surface on the 10th spilled once photosynthetic bacteria, 10 kilograms of mu dosage;
Mid-term temperature gradually increases, nursery fast growth, and appetite increases, and the various microorganisms of water body also accelerate to breed, fish body Excreta sinks to pool bottom with the residual bait do not eaten up, and starts to ferment, and water quality moves towards management difficulty;By complex micro organism fungicide and light It closes bacterium solution to use simultaneously, two bacterium ratio photosynthetic bacterias:Composite microbial bacteria is 2:1, also can two bacterium be used alternatingly, be watered within every 15 days The even water surface of splashing is primary,, can be by the sticky pollutant of pool bottom corruption after launching 24 hours when composite microbial bacteria is used alone The water surface is got to, it with sieve should be skimmed in lower air port in time, be conducive to bottom and change;
Later stage temperature has built up, and temperature can reach 35 degree, and fish body has started to grow up, and appetite increases, and various microorganisms are big Amount breeding, the excreta of residual bait and fish precipitates at pool bottom to be accumulated, and water quality starts to get worse, some fish ponds go out because of eutrophy water quality in addition Existing cyanobacteria, if handling not in time, pool bottom can black fouling, and ammonia nitrogen and nitrite are easily exceeded;Meanwhile fish body bubble, gill rot, The common diseases such as parasite, rotten tail, skin start to occur, at this moment in addition to normal use complex micro organism fungicide and photosynthetic bacterium solution, also Increase biological water-bed modifying agent, the biological water-bed modifying agent is the mixture of bacillus licheniformis and zeolite powder, The even dispensing water surface, sink to behind the bottom of the pool can deodorization removing toxic substances and it there is work of stronger protease, lipase and amylase Property, promote the degradation of feed residual bait nutrient and enhancing fish body immunity;But it is noted that the bacterium have stronger oxygen consumption effect, In use, it avoids using when weather is sultry, to prevent reducing water body dissolved oxygen amount;Answer more options fine, whens some gentle breezes throws It puts, after dispensing, it is more preferable to open aerator effect;If cyanobacteria occurs in pond, bacillus subtilis also can be selected, mix rotten plant Sour sodium uses, and also has better effects, should avoid using chemicals such as copper sulphate, with tamper-proof biomechanism environment.
The loach kind that the present invention is bred, head is big, and color is golden yellow, and build is big and fleshy, and meat is plump, and particularly growth is fast, Culture-cycle is short, and for general 6-8 months monomers loach weight up to 2-3 liang, high financial profit is deep to be welcome by raiser.
In short, the present invention is selected the effective microorganism preparation of independent research, is mainly there is lactic acid using microorganism cultivation method Bacterium, saccharomycete, actinomyces and bacillus etc. carry out whole-process control to culture-cycle ecological environment, are mainly reflected in pond and do The primary biologicals sport technique segments such as water, fish fry mark seedling, spice nursing, water quality improvement.Control of microorganisms is adhered in cultivation, with beneficial to micro- Biological agent substitute chemicals, this high density, weight drug aquaculture overall background under the conditions of, adhere to not medication obtain into Work(has also walked out the first step for loach ecologic breeding.
The above, only present pre-ferred embodiments, therefore the range implemented of the present invention cannot be limited according to this, i.e., according to The equivalent changes and modifications that the scope of the claims of the present invention and description are made all should still belong in the range of the present invention covers.

Claims (2)

1. a kind of biological feed preparation method for breeding loach, it is characterised in that:Include the following steps:
Step 1: culture algae:Standby 2-3 mus of native one, the pools, pool bottom are exposed to the sun 3 days or more using sunlight, utilize solar UV Adequate disinfection, then pool soil surface is spread on quick lime is uniformly dry, then intake 30 centimeters, it is spare after waiting for 3 days;Include adding later Add microbial bacterial agent and the culture algae bio factor, wherein:
Add microbial bacterial agent:10 kilograms of 20 kilograms of complex micro organism fungicide and photosynthetic bacteria are added by the water surface per acre, is uniformly splashed To water surface for aquaculture;After 3-5 days by water be filled into 60 centimeters it is spare;
Cultivate the algae bio factor:Prepare 100 one, kg capacity white plastic buckets or transparent plastic bag, take fresh cow dung 30 public Jin, 5 kilograms of chicken manure, 3 kilograms of complex micro organism fungicide, 0.5 kilogram of brown sugar add 40 kilograms of water, seal and ferment 3 days under sunlight;Hair It after ferment, is filtered with 120 mesh screens, cow dung fiber is removed, the microculture water after filtering is uniform by 40 kilograms per acre It splashes in the water surface, cultivates algae phase;
Step 2: cultivate aquatic bait:It is one group to take 1 kilogram or so of silver carp 3-4 items, totally two groups, be placed on 20 kilograms it is compound It is impregnated 2 in microbial bacterial agent, fish protein is undecomposed, takes out in mesh bag, and be diagonally placed on respectively with algae phase A large amount of biological feeds can be turned out in pond, after 7 days;The standard of harvesting is, per 10 or so, mesh under microscope, to visually observe 500 milliliters of measuring cups have 15-20, and the method for harvesting is to place floating pump one on native one jiao of the pool, set before floating pump in 120 degree of angles 200 mesh nylon are blocked two, and setting is 15 meters long after floating pump, and 30 centimeter of 200 mesh biological feed of diameter receives one, worm net.
2. a kind of biological feed preparation method for breeding loach as described in claim 1, it is characterised in that:It is described compound Microbial bacterial agent by following mass percent microorganism group into:Acetic acid bacteria and Bifidobacterium Bifidum 70%;Saccharomycete 25%;Bud is satisfied bar Bacterium 2%;Photosynthetic bacteria and actinomyces 3%.
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