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Pre Stocking, Stocking And Post Stocking Fish Rearing pond Management

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Pre Stocking, Stocking And Post Stocking Fish  Rearing pond Management


Pre Stocking Management
1. Prepare a powerful pond Dykes
o Pond slope should be a 2: 1 ratio of 3: 1 (water level 30-50cm).
o The embankment must be raised from the surrounding height to prevent outside water ingress.
Fish in the rainy season
o Mud from the bottom of the pond is washable and should not be used to construct height
Under heavy shower.
2. Removal of aquatic plants and weeds
o Physically eradicable
o Chemical method-Glyphosphate 3 kg/ha
Grass carp in a biological way
3. Predatory fish removal
o Physical method-drying, repeating netting
o Using plant derivative method -moc (saponin) -2500kg / ha
o Bleaching powder -350kg / ha using a chemical method
4. Floor soil drying and plowing
o Drying by dehydration or partial removal by the pump
o Finished floor rake
o Peel, stone, brick, plastic, etc. must be removed
o moc-2500kg / ha or bleach powder -350kgha or a mixture of urea -100kg / ha 
Use bleach powder -175 kg / ha
5. Soil correction (pH)
o Add lime according to soil type
6. Rising water levels.
o 1 m to 1.5 m water-filled
o mahua + lime used- if the water is stored for 2-3 weeks
o Bleaching Pounder-1 week
o Urea + bleach powder-1 week
7. Fertilization
o To increase the availability of basic plankton crystals
Cowdung-4 ton / ha
o SSP-30-40kg / ha
Intermittent fertilization
o Cow dung-500 kg / ha
o SSP-15 kg / ha
Urea -10 kg / ha
Stocking Management
 Stocking instructions
 Stockings – Stock Lak @ 2-3 lakh / ha
 Stocking Ratio:
o IMC-Catla: Rohu: Mirgal – 1: 1 or 1: 2: 2
o In case of IMC + EXOTIC-Stock ratio – C: R: M: S: G: CC :: 1: 1: 1: 1: 1: 1
 Stock Period (Timing) -Early morning or evening
 Transport and handling of seed polyethylene bags, containers
Transport, correct road and jerk should be less.
Post stocking management and monitoring
1. Supplemental feeding practices
 Abundant natural fish organisms are essential.
For grass carp weeds like wolfia, lemna must be provided.
GNOC / MOC of 1: 1 and rice bran / bran are used.
 Feeding time -50% morning and 50% evening
Feeding method broadcast
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You can also read: Fish rearing Pond Management

Fish Rearing Pond management

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Fish Rearing Pond management


1.Introduction Rearing Pond Management
What is a nursery? Pond relatively larger than nursery
Preferably, an area of ​​up to 0.2ha is used for rearing the pond, ie fingering the fryer. nurture
3 months until fingering stage (8-12 cm)
 Why should you build a Rearing pond?
o Better use of land and water.
o Regular sources of income (self-employment) and profit generation.
o Food security and nutrition are guaranteed.
o For a better living
o The appropriate time, effort and skills, knowledge, training, practice and monitoring
It was necessary to raise the tempura.
Where to build a nursery? Good water supply, soil quality and some basic
Prevention is necessary to build a pond.
Water supply: The most common source of water used for aquaculture is the surface
Water (rivers, springs, lakes) and groundwater (wells, aquifers). Wells and springs
Constantly prefers high-quality water. Quantity and quality
Water should be enough to support production. A good water source is relatively
Free from silt, aquatic insects, predators, and toxic substances,
The concentration of dissolved oxygen.
 Soil quality: Land should consist of quality soil with little or no gravel.
Rocks are mixed or mixed on the surface.
Compresses to fish bottom, side and core trenches to minimize leaks. The soil
The clay used to build the embankment should contain at least 20% clay.
Throughout the growing season. Some soils with high clay content, preferably
30-40% — Should be available nearby. Used to pack core trenches.
dike. See BOX NO 2 for soil quality types.
 Recommendations:
o Choose a place with a gentle slope so that you don’t need too much excavation.
o Easier drainage even on slopes
o If the ground is too low, there is a risk of flooding. Avoid such places
o Do not build ponds on land with good agricultural products.
o Build a pond near your home for care and maintenance.
o Choose an area without trees/plants so that proper wind flows and water becomes oxygen.
o Places should be secured with good waterways such as rivers, rivers, and sluice dams.
o Mud baths are not permitted in ponds.
o Good soil holding capacity is essential. Not sand and gravel containing place
Recommended for good culture. Clay soil is good.

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Pre Stocking And Post Stocking Management Of Fish Nursery Pond

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Pre Stocking And Post Stocking Management Of Fish Nursery Pond


1. Preparing a powerful pond Dykes
I. The pond slope should be a 2: 1 ratio of 3: 1.
ii. Dykes must be high at the surrounding level to prevent outside entry
Water and fish during the rainy season
iii. Mud at the bottom of the pond is washable and should not be used to construct height Under heavy shower ratio. 

2. Removal of aquatic plants and weeds
I. Can be eradicated by physical methods
ii. Chemical method-Glyphosphate 3kg / ha
iii. Grass carp in a biological way
3.Predatory fish removal
I. Physical method-dry, repeat netting
ii. Using plant derivative method-moc (saponin) -2500kg / ha
iii. Using chemical method-bleaching powder-350kg / ha
4. Floor soil drying and plowing
I. Drying by dehydration or partial removal by the pump
ii. Floor rake complete
iii. Peel, stone, brick, plastic, etc. must be removed
iv. Use moc-2500kg / ha or bleach powder-350kg ha or urea 100kg / ha + bleach powder mixture-175kg / ha
5.Soil correction (pH)
I. By adding lime according to the soil type
6. Raising the water level
I. Water up to 1m to 1.5m
ii. mahua + lime used- if the water is stored for 2-3 weeks
iii. Bleach powder-1 week
iv. Urea + bleach powder-1 week
7. Fertilization
I. GNOC- GNOC treated by the method is spread in the pond.
ii. MOC-method mixed with water -MOC, keep overnight and spread over pond
iii. Cow manure and other organic fertilizers
iv. SSP- SSP is diluted in water as much as possible and spreads to ponds
v. Two types of modifications
 Basic Modification
o Gnoc / moc-175kg / ha
o Cow dung-50 kg / ha
o SSP-12.5 kg / ha
22
Intermittent fertilization
o Gnoc / moc-350 kg / ha
o Cow feces-100 kg / ha
o SSP-25 kg / ha
8.Fighting aquatic insects
I. Preparation of soap oil emulsion (vegetable -56l / ha and soap -18 kg / ha)
ii. 1 to 2 days before the application
 Stoking Management
 Stockings-hatch stock @ 50 lakh / ha
 Stock Period (Timing)-Stock early in the morning or evening
 Transport and handling of seed polyethylene bags, containers
Transport, correct road and jerk should be less.
Seed off
1.Plankton test
Check plankton availability before launch
plan 1-2 ml zooplankton requires about 50 ml of water. Qualitative
Quantitative characteristics of crop crops of plankton after fertilization
45 liters of the pond should be filtered to check the nursery at short intervals
Water through a plankton collecting net made of No.21 bolt silk.
abundant production and domination of the phytoplankton organisms
Nursery school in stockings is inappropriate immediately
Stockings and a sediment volume of about 1.0 ml. Composition of zoo planner
rotifers, copepod nauplii, and cladocera are considered good food
Stock up for hatching
pond Observe with pond water in transparent glass
When a small, actively moving organism is found, the pond is ready for storage.
 Fish seed poly bag in water for 15 minutes and sprinkle water slowly
Spawn off
Post-Stocking Management
 Monitoring – Proper monitoring of the pond should be performed.
Supplemental feeding practices
 Appropriate feeding practices should be adopted. Twice a day in the morning and late
Afternoon water temperature. Cool and high dissolved oxygen. For better survival
The growth cycle should increase more than 2 times. Feed is broadcast
On the surface of the pond along the periphery of the surrounding pond. Supplemental lunch
I. Ground Nut Oil Cake + Rice Bran = 1: 1
ii. Ma Hua Oil Cake + Rice Bran = 1: 1
• Repetitive net counting and harvesting techniques—repeated trace netting must be done to confirm.
Mortality and growth. Fries are harvested after reaching 21-1.5 inch size after 21 days. fried food
net is used and repeated netting is done.
I am working on fish farming and I will provide you authentic data about fish farming. it is easy for you to follow these steps you become a successful fish farmer. If you like my effort then follow us and feedback through comment and if you have any question then comment.

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Fish Nursery Pond Management

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Fish Nursery Pond Management


About Nursery Pond
The spawning is produced in the hatchery and is reared within 72-96 hours called hatching. Fish carp
Hatching is very delicate. Be very careful when handling. It is only for 3-4 days. they
It is stocked in a well-prepared pond. They are raised in nursery ponds.
 The nursery pond is a small water body of 0.02-0.10 ha and a depth of 1.0-1.5m. that much
From hatchery to hatchery for 15 to 20 years, hatching is released properly
Work. During this period, it grows up to 25 to 30 mm in size.
This fry is grown for another 2-3 months in another pond

The size is about 100mm.

1. Site Selection
Why and where to choose an area for a nursery school
Why?
o Better use of land and water.
o Regular sources of income (self-employment) and profit generation.
o Food security and nutrition are guaranteed.
o For a better living
o The appropriate time, effort and skills, knowledge, training, practice and monitoring
It was necessary to raise the tempura.
 Where?
o Choose a place with a gentle slope so that you don’t need too much excavation.
o Easier drainage even on slopes
o If the ground is too low, there is a risk of flooding.
o Do not build ponds on land with good agricultural products.
o Build a pond near your home for care and maintenance.
o Choose an area without trees/plants so that proper wind flows and water becomes oxygen.
o Places should be secured with good waterways such as rivers, rivers, and sluice dams.
o Mud baths are not permitted in ponds.
o Good soil holding capacity is essential. Not sand and gravel containing place
Recommended for good culture. Clay soil is good.

2: Check soil water retention capacity
Take a small amount of dirt from the surface and squeeze it into a ball. Throw
Drag the ball of soil into the air. Bad soil with too much sand or gravel
The ball falls without sticking to each other. If the balls stick together
Of course, the soil is good, but not sure.
 Now do a second test to make sure the soil is good. Dig a hole deep
waist. Fill with water early in the morning. Fill on top. to
In the evening, the water settled into the soil. Then fill the hole
Water again. Fill on top. Cover the hole with a board or leafy branches.
The next morning, if most of the water is still in the hole, the soil
There is enough water to build a fish pond.
3. physio Chemical Properties
 A good farm should have a good physicochemical environment. Wide fluctuations
Water levels cause death. A proper temperature of 25 to 30 degrees is essential.
Fry production.
High turbidity due to suspended slit or abundant growth of phytoplankton
Harmful to the nursery tank. The basic conditions necessary for the care of a nursery are:
 In general, nurseries containing alkaline water and adequate levels of phosphate and nitrate
Satisfactory growth and survival of fry.
Water quality parameter display
Preferred range
Watercolor turbid brown, dark green, red
Turbidity 40-60
pH 6.5-9
Dissolved O2> 5-10 ppm
Free CO2 mineral- <12 ppm
Total alkalinity 50-280 m

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Water Quality Management In Fish Pond Water Quality Parameters In Fish Pond

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Water Quality Management In Fish Pond


Fish are aquatic animals with special functions such as gills and fins. This distinction
The character created a different fish from other aquatic animals. Good aquatic environment
Healthy fish. Aquatic environments affect growth rates, feed efficiency, fish health, and survival.
A stress-free environment has a good effect on the production system.
1. Oxygen dissolution
The optimal level of oxygen in fish production should be 5 mg / l. Oxygen depletion of water
Rectification is performed by the following aeration method.
 Manual-In this method, the water surface is splashed with a bamboo stick. Help
Dissolve oxygen in the water
 Machine-diesel water pumps are running. The water is pumped
Water bodies cause the dissolution of atmospheric oxygen.
 Aerator-This is a floating device. This mechanical rotating blade stirs the water
It helps dissolve oxygen.
2. Temperature
In an aquatic environment, temperature plays an important role. Optimum temperature range
14-18 degrees Celsius in cold water and 24-30 degrees Celsius in warm water. Tree planting
Pond banks benefit from providing shade results as stratification reduction. At the same time
The beneficial effects of wind mixing and photosynthesis processes are affected.

3. Turbidity
Turbidity is the cloudiness or danger of a fluid caused by a large number of individual particles
In general, it is invisible to the naked eye and resembles smoke in the air. Measure
Turbidity is a key test for water quality. Turbidity is measured with Secchi discs. Optimal visibility
The range of turbidity is 40-60 cm. Turbidity can be controlled by the application of organic manure
500-1000 kg / ha, 250-500 kg plaster or 25-50 kg alum.

4. ammonia
As a rule, ammonia is toxic to fish. More ammonia depends on more pH and temperature.
In ionized ammonia, 0.02-0.05 mg / l is a safe concentration for fish. Here’s how
Used to lower ammonia concentration
Avoid excessive feeding.
Avoid excessive excess
 Ammonia can be removed from the pond using Formalin.
 Water exchange can reduce the concentration of ammonia in the pond.
• Aeration increases DO concentration and decrease Ph, reducing toxicity

5. nitrite
The following are measures to maintain nitrate levels in the water.
 Accurate inventory, feeding and fertilization practices must be in place.
Biofiltration is carried out with special filters.
The pond must be well oxygenated

6. Hydrogen sulfide
At the bottom is a thick layer of the organic precipitate. Toxic to fish. Stresses the fish. attache
Action to control.
 Frequent water exchange is required.
 Lime should be applied to reduce the toxicity of hydrogen sulfide.
7. pH
pH is the concentration of hydrogen ion concentration in water and indicates how acidic it is.
Or basic water. Here are the instructions.
Table-2: pH scale range of water quality
pH effect
4 Acid death point
4-6 slow growth
6-9 best growth
9-11 slow growth
> 11 alkaline death points

8. Total alkalinity
It shows the concentration of base in water and the capacity to accept acidity. lead carbonate
Bicarbonate is the dominant base. 75-300 mg / l is ideal for fish. Low alkalinity rectified with the lime
cure.
9. Total hardness
 Mainly calcium and magnesium make up the water hardness
 60mg / l increases pond productivity and <60mg / l stresses fish. Low harness processing
It can be done using lime.
Bottom Soil management

Fish are aquatic animals with special functions such as gills and fins. This distinction
The character created a different fish from other aquatic animals. Good aquatic environment
Healthy fish. Aquatic environments affect growth rates, feed efficiency, fish health, and survival.
A stress-free environment has a good effect on the production system.
1. Texture
Soil texture should not be too sandy or clay
2. Soil acidity
 The ideal range for soil pH is 6-8.
 Lime is used based on soil pH
3. Floor soil oxidation
Aeration and water circulation are useful
4. Drying pond bottom
The drying period is 2-3 weeks

Other treatment
1. Nutrient removal
Gypsum (calcium sulfate) -100-200mg / l and 20-30mg / l alum has low phosphorus concentration
In the pond water
2. Phytoplankton removal
 Insecticides are used to reduce the abundance of phytoplankton in intensive culture.
Reduce 1/100 cuso4 of total alkalinity using copper sulfate.
3. Chlorination
4. Water exchange

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5 Amazing Fish oil Benefits: From Heart Health to Gorgeous Hair 2020

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Fish Oil Benefits
Fish Oil Benefits

Amazing Fish Oil Benefits

Fish oil springs from the tissues of certain sorts of fish. It is often consumed as a part of your daily diet or as a dietary supplement. ‘Oily’ fish like Salmon, Tuna, Herring, and Mackeral are known to be reliable dietary sources. tons of has been researched and written about the advantages of animal oil in recent years. But first, allow us to understand what’s at the guts of all the health benefits animal oil is credited with.

What Makes Animal Oil Healthy?

While ‘fat’ could also be a nasty word lately, it’s safe to mention not all ‘fats’ are bad for us. animal oil is one such example. The rich presence of Omega-3 fatty acids is what makes animal oil healthy. Omega-3 fatty acids are essential fatty acids that the physical body is unable to supply on its own. the 2 main omega-3 fatty acids are omega-3 fatty acids (DHA) and omega-3 fatty acids (EPA).    

But Why is Omega-3 Such a Necessity?

The physical body cannot make Omega-3 carboxylic acid s; we’ve to depend upon external sources of this essential fatty acid either through our diet or through dietary supplements. Research suggests that Omega-3 helps the body produce chemicals that, in turn, help control inflammation within the body. The anti-inflammatory property of Omega-3 is what is further linked to the various health benefits of animal oil.  Vegetarian sources of Omega-3 include flaxseeds, walnuts, broccoli, spinach edamame (a sort of green soybeans)  

Fish Oil Benefits

1. Helps Prevent Risk of a Heart Condition 

One of the remarkable benefits of animal oil is its ability to market heart health and protect it from heart diseases. Omega-3 also helps balance the negative impact of Omega-6 fatty acids. Omega-6 is found in food products like eggs, poultry, and cereals. an excessive amount of Omega-6 within the body can make the blood thicker than it should be – promoting the formation of clots linked to heart diseases. The presence of an adequate amount of Omega-3 within the body helps control this.  

2. Asthma  

Asthma may be a condition during which your airways narrow and gets inflamed. It makes breathing difficult and triggers coughing, wheezing and shortness of breath. While for a few asthma may be a minor problem except for others, it is often a serious problem that interferes with daily activities and should cause life-threatening asthma. Since Omega-3 helps with inflammation of the airways, experts believe a diet rich during this essential acid might be beneficial to patients of Asthma.  

3. Depression and Anxiety  

A number of studies have suggested that levels of Omega-3 are lower within the bloodstreams of these affected by depression. it’s therefore suggested, for those affected by depression, to extend their intake of Omega-3 carboxylic acid. While more research is underway during this area, initial results suggest that Omega-3 helps improve the effectiveness of some anti-depressants also.   (Omega-3 Rich Diet May Keep Joints Healthy)  

4. Can Prevent Arthritis Pain

Studies suggest that omega-3 could rescue pain and stiffness associated with atrophic arthritis. A diet high in animal oil can also boost the effectiveness of anti-inflammatory drugs.  

5. Good for Those affected by ADHD

Children affected by ADHD have difficulties concentrating and are known to possess shorter attention spans. While Omega-3s don’t provide a cure for ADHD, they’re certainly important for brain function and development

Top 5 Evidence-Based Benefits Of Eating Fish 2020

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Top 5 Evidence-Based Benefits Of Eating Fish 2020
Fish is among the healthiest foods on the earth.

It’s loaded with important nutrients, like protein and vitamin D.

Fish is additionally an excellent source of omega-3 fatty acids, which are incredibly important for your body and brain.


Here are 5 health benefits of eating fish that are supported by research.

 fish-eating benefits, benefits of eating fish every day, benefits of eating fish for skin and hair, fish benefits for skin, benefits of eating fish eyes, 

1.Can protect your vision in old age

Age-related degeneration (AMD) may be a leading explanation for vision impairment and blindness that mostly affects older adults.

Some evidence suggests that fish and omega-3 fatty acids may protect against this disease.

In one study, regular fish intake was linked to a 42% lower risk of AMD in women.

Another study found that eating fatty fish once per week was linked to a 53% decreased risk of neovascular (“wet”) AMD.
SUMMARY
People who eat more fish have a much lower risk of AMD, a leading cause of visual impairment and blindness.
2.Contain nutrients that are crucial during development
Omega-3 fatty acids are essential for growth and development.

The omega-3 fat omega-3 fatty acid (DHA) is particularly important for brain and eye development.

For this reason, it’s often recommended that pregnant and breastfeeding women eat enough omega-3 fatty acids (9Trusted Source).

However, some fish are high in mercury, which is linked to brain developmental problems.

Thus, pregnant women should only eat low-mercury fish, like salmon, sardines, and trout, and no quite 12 ounces (340 grams) per week.

They should also avoid raw and uncooked fish because it’s going to contain microorganisms which will harm the fetus.

SUMMARY
Fish is high in omega-3 fatty acids, which is important for brain and eye development. It’s recommended that pregnant and breastfeeding women get enough omega-3s but avoid high-mercury fish.
3. May boost brain health
Your brain function often declines with aging.

While the mild mental decline is normal, serious neurodegenerative ailments like Alzheimer’s disease also exist.

Many observational studies show that folks who eat more fish have slower rates of mental decline.

Studies also reveal that folks who eat fish hebdomadally have more grey matter — your brain’s major functional tissue — within the parts of the brain that regulate emotion and memory.

SUMMARY
Fish intake is linked to reduced mental decline in older adults. people that eat fish regularly even have more grey matter within the brain centers that control memory and emotion.
4.High in important nutrients
Fish is full of many nutrients that the majority of people are lacking.

This includes high-quality protein, iodine, and various vitamins and minerals.

Fatty species are sometimes considered the healthiest. That’s because fatty fish, including salmon, trout, sardines, tuna, and mackerel, are higher in fat-based nutrients.

This includes vitamin D, a fat-soluble nutrient that a lot of people are lacking.

Fatty fish also boast omega-3 fatty acids, which are crucial for optimal body and brain function and strongly linked to a reduced risk of the many diseases.

To meet your omega-3 requirements, eating fatty fish a minimum of once or twice every week is suggested. If you’re a vegan, choose omega-3 supplements made up of microalgae.

SUMMARY
Fish is high in many important nutrients, including high-quality protein, iodine, and various vitamins and minerals. Fatty varieties also pack omega-3 fatty acids and vitamin D.
5. May lower your risk of heart attacks and strokes
Heart attacks and strokes are the 2 commonest causes of premature death within the world.
Fish is taken into account one among the foremost heart-healthy foods you’ll eat.

Unsurprisingly, many large observational studies show that folks who eat fish regularly have a lower risk of heart attacks, strokes, and death from heart conditions.

In one study in additional than 40,000 men within us, those that regularly ate one or more servings of fish per week had a 15% lower risk of the heart condition.

Researchers believe that fatty sorts of fish are even more beneficial for heart health thanks to their high omega-3 carboxylic acid content.

SUMMARY
Eating a minimum of one serving of fish per week has been linked to a reduced risk of heart attacks and strokes.

The bottom line
Fish may be a wonderful source of high-quality protein. Fatty species also pack heart-healthy omega-3 fatty acids.

What’s more, it’s numerous benefits, including vision protection and improved psychological state in adulthood .

What’s more, fish is straightforward to organize , so you’ll add it to your diet today.
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Biofloc System – The Need | Biofloc Technology Benefits Composition and nutritional value of biofloc

The Biofloc system was developed to enhance environmental control over the assembly of aquatic animals. In aquaculture, the foremost influential factors are the value of food (which represents 60% of the entire cost of production) and therefore the most limiting factor is that the availability of water/land. The high population density and therefore the breeding of aquatic animals requires wastewater treatment. The Biofloc system may be a wastewater treatment that has acquired important importance as attention to aquaculture.

The principle of this system is that the generation of the organic process by maintaining a better C: N ratio through the stimulation of heterotrophic microbial growth, which assimilates nitrogenous wastes which will be exploited by spices grown as food. Biofloc technology isn’t only effective within the treatment of waste, but also provides nutrition to the aquatic animal.

The higher C: N is maintained by the addition of a source of carbohydrates (molasses) and water quality is improved by the assembly of microbial protein from top-quality individual cells. In such a condition, dense microorganisms develop and perform as both bioreactors that control water quality and therefore the protein source of food. The immobilization of toxic nitrogen species occurs sooner in bio floc because the expansion rate and microbial production per unit of the heterotrophic substrate are ten times above those of autotrophic nitrifying bacteria. This technology is predicated on the principle of flocculation within the system.

Biofloc technology has been implemented in shrimp farming thanks to its deep housing habit and its resistance to environmental changes. Studies are conducted to gauge larval growth and reproductive performance of shrimp and Nile tilapia. Better reproductive performance was observed in shrimp raised within the biofloc system compared thereto to normal cultivation practices. Similarly, better larval growth performance was also observed.

Composition and nutritional value of biofloc

Biofloc may be a heterogeneous aggregate of suspended particles and a spread of microorganisms related to extracellular polymeric substances. it’s composed of microorganisms like bacteria, algae, fungi, invertebrates, and debris, etc. it’s a protein-rich live food formed as a result of the conversion of unused food and excreta into a natural food during a culture system exposed to sunlight. Each floc is held together during a loose mucus matrix that’s secreted by bacteria and linked by filamentous microorganisms or electrostatic attraction. Large flocs are often seen with the eye, but most are microscopic. the dimensions of the floc vary from 50 to 200 microns.

A good nutritional value is found in biofloc. The dry weight protein varies from 25 to 50 percent, fat varies from 0.5 to fifteen percent. it’s an honest source of vitamins and minerals, particularly phosphorus. It also has an impact almost like probiotics. Dry biofloc is proposed as an ingredient to exchange fishmeal or soy in food. The nutritional quality is good; however, there are only limited qualities available. additionally, the profitability of manufacturing and drying biofloc solids on a billboard scale may be a challenge.

Benefits of the Biofloc cultivation system

• Ecological culture system.
• Reduces the environmental impact.
• Improves the efficiency of land and water use.
• Limited or zero water exchange
• Increased productivity (improves survival rate, growth performance, feed conversion in fish farming systems).
• Greater biosecurity.
• Reduces pollution and therefore the risk of introduction and spread of pathogens.
• Profitable feed production.
• Reduces the utilization of protein foods and therefore the cost of ordinary foods.
• Reduces pressure on capture fisheries, that is, the utilization of cheaper fish and junk fish food for the formulation of fish food.

Disadvantages of Biofloc technology

• The higher energy requirement to combine and aerate
• Reduced reaction time because water respiration rates are high
• Start period required
• Alkalinity Supplement Required
• Greater potential for contamination thanks to nitrate accumulation.
• Inconsistent and seasonal performance for systems exposed to sunlight.

What Is Biofloc Fish Farming Technology

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What Is Biofloc Fish Farming Technology 

Biofloc Technology

Today, closed aquaculture systems are safer for biosecurity, as they need environmental and commercialization advantages over conventional extensive and semi-intensive systems. thanks to the reuse of water reduces the introduction of pathogens and exotic agents within the external environment. Such a sort of environmentally friendly technology for closed aquaculture is Biofloc Technology (BFT). Greater retention and recycling of nutrients has been administered internally without a better cost compared to standard waste management technologies, like aquaculture and biofiltration recirculation systems, both of which require complex, costly, laborious internal filtration and economically impossible. BFT is innovative, from the traditional autotrophic system to the autotrophic-heterotrophic system. Microbes like bacteria are generally considered as causative agents of diseases in animals and plants. But under controlled conditions, dense and active aerobic microbial communities control the qualities of water through the immobilization of toxic metabolites in microbial proteins and recycle garbage and increase food efficiency. Compared to the traditional photoautotrophic system, BFT has more advantages, like variation of dissolved oxygen and proton concentration, which is restricted. The assimilation of inorganic nutrients through bacteria in suspension is a further protein source than algal biosynthesis. Through the decomposition of organic matter by microorganisms results in the assembly of the latest bacterial cells that represent 40-60% of the metabolized organic matter. This aerobic decomposition is often higher during a high C / N ratio (through the source of addition carbohydrates it must be economically feasible) with high oxygen conditions. BFT is an ecological approach in aquaculture that it knows in several names, like the autotrophic-heterotrophic zero exchange system, active sludge or suspended bacterial system, individual cell protein production system, microbial floc system, etc. Now biofloc has been focused internally as an alternate protein for organic, produced mainly within the sort of microbial flour. Many researchers have administered the study of the nutritional acceptability of biofloc.

It is an innovative and cost-effective technology during which toxic materials for fish and shellfish like nitrate, nitrite, ammonia are often converted into useful products, that is, protein foods. it’s the technology utilized in the aquaculture system with limited or zero water exchange under high storage density, strong aeration and biota formed by biofloc. Biofloc cultivation is going to be productive within the case of crop tanks exposed to the sun.


The application of Biofloc technology offers benefits to enhance aquaculture production that would contribute to the achievement of sustainable development goals. This technology could end in higher productivity with less impact on the environment. additionally, biofloc systems are often developed and administered in integration with other food production, thus promoting integrated production systems, with the aim of manufacturing more food and feed from an equivalent area of land with fewer inputs. Biofloc technology remains in its infant stage. far more research is required to optimize the system in reference to operational parameters. in reference to nutrient recycling, MAMP production, and immunological effects

What are the benefits of floating fish feed?

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What are the benefits of floating fish feed?
Many fish experts believe that floating fish feed scores are higher than other types of feed for various reasons.


Maintaining High Feeding – Fish life remains floating on water for a long time. When water is dissolved in water, it loses some of its nutritional value. Floating fish feed can save about 20% of material loss from water, mud, and waste.

Environmentally friendly – Floating fish feeding is easy to monitor. Even the remaining feed can be picked and dried. This feed can be used later and helps to keep the water clean. This is very good for fish growth and environmental protection.

Easy to Store – Due to high temperatures and high-pressure expansion, the water content of floating feed (8-9%) is very low. That is why life particles are hard and very stable. Also, due to the low moisture content, it is easier to store.

Prefer for Young Fish Breeds – It is easy to digest floating fish because of its loose granular structure. So if you are dealing with smaller fish, this will be very helpful.

Monitoring the fish – Eating food helps to monitor the appetite, as fish can be seen from the shore of wetlands during feeding. In addition, the health and vitality of fish can be regularly observed.

However, this does not mean that it is a 100% bad choice of food, it also has some advantages, for example, t
• Better for fish that like to live at the water level.
• The sky or the disappointed fish are afraid to go near the surface of the water.
• Fantastic for fast-moving arteries.

It should be borne in mind that the feeding habit of fish species plays a vital role in selecting the type of fish. Nutrition is the most important role in a profitable fish farming business.