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Thursday 29 December 2022

Biofloc Technology (BFT) in Aquaculture

                      Biofloc Technology (BFT) in Aquaculture -2023

   Biofloc Technology system 

                     Biofloc Technology (BFT) in Aquaculture


1. What is Biofloc Technology?

2. Composition and nutritional value of biofloc

3. Advantages of Biofloc Technology:

4. Disadvantages of Biofloc Technology:


   Aquaculture (fish farming) using biofloc technology includes using microorganisms to establish a healthy ecosystem on the farm. In order to break down organic matter and create nutrients for the fish to consume, it includes the cultivation of advantageous bacteria and other microorganisms.

 The water is maintained nutrient-rich in a biofloc system by adding a small quantity of feed and letting the microorganisms break it down. Biofloc, the resulting bacteria, feeds fish naturally while also assisting in the removal of extra nutrients and maintaining the cleanliness of the water.

The use of biofloc technology in farming has many advantages. As the fish can use the biofloc as a source of nutrition, it can help to reduce the quantity of feed needed. Due to the system's reliance on natural processes rather than chemical inputs, it can also help lessen the negative effects of fish farming on the ecosystem. Small-scale farmers can use biofloc systems because they are affordable and reasonably easy to set up and run.

However, using biofloc technology has some drawbacks as well. Maintaining the ecosystem's balance can be challenging, and if it's not properly handled, it could be vulnerable to parasite or disease outbreaks. Additionally, biofloc devices might emit odours that neighbours of the farm may find unpleasant.

 Overall, biofloc technology holds promise as a sustainable and economical aquaculture technique, but it is crucial for farmers to closely watch and manage the system to ensure its success.

    The following are some instances of microbes that are crucial to aquaculture:

    1.Bacteria that fix nitrogen change nitrogen gas into forms that plants and animals can use, like ammonia or nitrite. Nitrogen is a crucial nutrient for plant development, and bacteria that fix nitrogen are crucial for the productivity and well-being of aquaculture systems.

    2. Decomposer bacteria: These microorganisms convert organic material, like fish waste and uneaten feed, into simpler compounds that plants and other creatures can use. The preservation of water purity and the recycling of nutrients in aquaculture systems depend on decomposer bacteria.

    3. Pathogenic bacteria: Some bacteria can infect fish and other aquatic creatures with illness. It is crucial to keep an eye out for these microbes in aquaculture systems and to take preventative measures.

  Overall, bacteria play a vital role in the functioning and productivity of aquaculture systems. It is important to carefully manage the bacterial communities in these systems in order to ensure the health and wellbeing of the aquatic organisms being raised.

Composition and nutritional value of biofloc:

The species of aquacultured aquatic animals, the type of feed used, and the system management techniques can all affect the composition and nutritional value of biofloc, a type of microbial biomass generated in biofloc technology systems.

In general, the microorganisms that make up biofloc are a diverse population that includes bacteria, algae, protozoa, and other creatures. These microbes turn surplus nutrients and organic matter in the water, like extra feed, excrement, and uneaten food, into biomass by consuming it. The biofloc system's biomass can then be used as a supply of food for the raised animals.

The makeup of the system's microorganisms and the nutrients they contain determine the nutritional worth of biofloc. For farmed aquatic animals, Biofloc may be a good source of protein and other vital minerals. It may also contain other advantageous elements, like enzymes and growth factors, that promote the wellbeing and development of the animals.

However, a number of variables, including the pH and oxygen levels in the water, the presence of toxic compounds, and the presence of pathogens, can impact the nutritional value of biofloc. In order to create high-quality biofloc that gives farm animals the best nutrition possible, the biofloc system must be carefully managed.

Advantages of Biofloc Technology:

Aquaculture using biofloc technology includes using bacteria and other microorganisms to enhance water quality and promote the development of farmed aquatic animals. Compared to conventional aquaculture techniques, the primary benefit of biofloc technology is that it enables the cultivation of aquatic animals in a more ecologically friendly and sustainable manner.

The ability of biofloc technology to greatly reduce the amount of water required for aquaculture operations is one of its main advantages. Large volumes of water are required in traditional aquaculture systems to support the development and health of the animals, and this water must be replaced on a regular basis to keep the water quality high. In contrast, the closed-loop system used by biofloc technology allows water to be recycled and recirculated, which lowers the quantity of water required as well as the associated costs.

Furthermore, biofloc technology can enhance water quality and lower the chance of illness in aquatic farm animals. The microbes in the biofloc system can assist in maintaining a healthy equilibrium of bacteria in the water as well as removing harmful substances from the water, such as excess nutrients and toxins. Improved development and health of the farm animals as well as a decrease in the need for chemical treatments and other inputs can result from this.

Overall, biofloc technology benefits aquaculture businesses by reducing water consumption, improving water quality, and enhancing animal growth and health. Farmers all over the world are embracing it as a way of aquaculture that is becoming more and more popular.

Disadvantages of Biofloc Technology:

Aquaculture using biofloc technology includes using bacteria and other microorganisms to enhance water quality and promote the development of farmed aquatic animals. While using biofloc technology in aquaculture has many advantages, there are also some possible drawbacks.

The fact that biofloc technology necessitates careful management to guarantee ideal water quality and animal health is one possible drawback. If the microorganisms in the system are not properly controlled, they may create toxins or other harmful substances, which can cause health issues in the farmed animals. In addition, if appropriate biosecurity precautions are not taken, the system may be vulnerable to the growth of pathogens.

The fact that biofloc technology may be more difficult and time-consuming to set up and manage than conventional aquaculture systems is another possible drawback. To correctly maintain the system and promote the growth and health of the farmed animals, more knowledge and experience are needed.

Finally, not all aquaculture businesses or species of farmed animals may be compatible with biofloc technology. Since it is mostly used in intensive aquaculture systems, it might not be practical or feasible for activities that are more widespread or low-density. Additionally, some types of agricultural animals might not thrive in biofloc systems or might need special attention when being raised in them.

Overall, even though biofloc technology has many advantages for aquaculture operations, it is crucial to carefully weigh any possible drawbacks and decide whether it is the best option for a given operation.

             Biofloc Technology (BFT) in Aquaculture

#Biofloc Technology #Aquaculture #Fisheries

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