BIFLOC VIDEO NO1-
Biofloc Fish Farming in India
It is a creative and financially savvy technology in which poisonous materials to the fish and shellfish, for example, Nitrate, Nitrite, Ammonia can be changed over to helpful item, ie., proteinaceous feed. It is the technology utilized in aquaculture system with restricted or zero water trade under high stocking thickness, solid air circulation and biota framed by biofloc. The culture of biofloc will be beneficial on account of culture tanks presented to sun.
Biofloc system was created to improve the natural command over the sea-going creature production. In aquaculture, the solid powerful factors are the feed cost (bookkeeping to 60% of the all out production cost) and most constraining element is the water/land accessibility. High stocking thickness and raising of amphibian creatures requires wastewater treatment. Biofloc system is a wastewater treatment which has increased essential significance as a methodology in aquaculture.
The rule of this procedure is the age of nitrogen cycle by keeping up higher C: N proportion through animating heterotrophic microbial growth, which acclimatizes the nitrogenous waste that can be misused by the cultured flavors as a feed. The biofloc technology isn't just compelling in treating the waste yet in addition awards nourishment to the oceanic creature.
The higher C : N is kept up through the expansion of sugar source (molasses) and the water quality is improved through the production of excellent single cell microbial protein. In such condition, thick microorganisms create and work both as bioreactor controlling water quality and protein nourishment source. Immobilization of harmful nitrogen species happens all the more quickly in bioflocs on the grounds that the growth rate and microbial production per unit substrate of heterotrophs are ten-times more noteworthy than that of the autotrophic nitrifying microscopic organisms. This technology depends on the standard of flocculation inside the system.
The biofloc technology has been executed in shrimp cultivating because of its base dwelling propensity and protection from natural changes. Studies have been led to evaluate the larval growth and conceptive presentation of shrimps and Nile tilapia. An improved reproducing execution was seen in shrimp raised in the biofloc system when contrasted with that of typical culture rehearses. Correspondingly improved larval growth execution was additionally taken note.
Structure and healthy benefit of biofloc
Biofloc is a heterogeneous total of suspended particles and assortment of microorganisms related with extracellular polymeric substances. It is made out of microorganisms, for example, microscopic organisms, green growth, parasites, spineless creatures and waste, and so forth. It is a protein-rich live feed framed because of transformation of unused feed and excreta into a characteristic nourishment in a culture system on introduction to daylight. Every floc is held together in a free grid of bodily fluid that is emitted by microbes and bound by filamentous microorganisms or electrostatic fascination. Huge flocs can be seen with the unaided eye, however a large portion of them are minute. Floc size range from 50 – 200 microns.
A decent dietary benefit is found in biofloc. The dry weight protein ranges from 25 – 50 percent, fat reaches 0.5 – 15 percent. It is a decent wellspring of nutrients and minerals, especially phosphorous. It additionally has an impact like probiotics. The dried biofloc is proposed as a fixing to supplant the fishmeal or soybean in the feed. The dietary quality is great; be that as it may, just restricted characteristics are accessible. Moreover, the cost-viability of creating and drying biofloc solids at a business scale is a test.
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