biofloc fish farming ppt for Dummies
biofloc fish farming ppt for Dummies
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These results spotlight the significance of developing an optimum density of fish tradition applying BFT And exactly how important it really is to appreciate that Should the density of effective microorganisms exceeds the h2o purification means, there may be an adverse effect on the fish. Dauda et al. [19] found that the survival fees of C. gariepinus treated with glycerol and sucrose-treated biofloc were being 90.6% and seventy six.3%, which had been substantially greater than that of the Regulate group (sixty.0%). Even so, the survival amount inside the rice-bran-handled biofloc was identified to generally be drastically decrease (27%) than that of your Management, which may have been due to the not enough carbon availability while in the development of biofloc. Consequently, it is crucial to employ an ideal carbon source that is certainly appropriate for farm environments and cultured organisms when making use of biofloc in fish society. Haridas et al. [20] reported that biofloc appreciably improved the survival charge of grey mullet, Mugil cephalus, specifically during the nursery stage. In other scientific tests, it's been reported that both equally biofloc and Manage teams confirmed either one hundred% survival or no substantial change within the survival fee, which means that biofloc has an effect on bettering the immunity and health and fitness of fish but does not usually present an important change.
बायोफ्लॉक फार्मिंग के विभिन्न प्रकार और उनकी विशेषताएँ
Decreased stocking densities produced larger sized fish, but expansion in just stocking densities was very similar between Management and Biofloc treatment plans.
Insufficient availability of good seed excellent is A serious dilemma in fish farming. Some techniques are worked out to breed these fish in ponds to overcome this problem. Then, this has ensured read more the pure fish seed supply in wished-for portions.
Biofloc fish farming is definitely an revolutionary and sustainable means of fish farming that has quite a few Added benefits, such as low creation cost, higher generate, and lessened environmental affect. The strategy involves the cultivation of microorganisms during the drinking water, which helps you to break down natural and organic subject into protein-prosperous biofloc that serves as being a supply of food stuff for that fish.
Keywords: biofloc; development general performance; hematological parameters; antioxidant and immune responses; condition resistance
In classic fish farming, the fish eat hardly any with the water that is certainly presented to them. It wastes food items and then turns it into harmful metabolism. It pollutes the h2o, and its stench spreads into the bordering environment. Feed is an essential A part of fishing.
कार्बन स्रोत: पानी में कार्बन स्रोत की सही मात्रा में उपयोग करके सूक्ष्मजीवों की संख्या नियंत्रित की जा सकती है।
The bacterial expansion (flocs) could consume nitrogenous fish wastes and poisonous metabolites in advance of remaining eaten by the cultured species. This would cut back the two the environmental footprint of creation and feed costs.
This can be accomplished by introducing materials that include uncomplicated sugars like molasses or decreasing the protein content with the feed.
Normally, when making use of minimal-quality feed pellets with excessively significant protein information, large amounts of unused nutrients find yourself during the faeces with the fish, which pollutes the water they live in.
Though converting standard fish ponds to Biofloc systems is just not tricky, Additionally it is tricky, as microbes, minerals, and significant metals Obviously current while in the soil quickly have an effect on the drinking water parameters from the pond and can affect the all-natural procedures beneath the Biofloc.
You would like excellent inflow and outflow, into an irrigation ditch. To allow for going equipment, feeding, and harvest, you want sufficient Place concerning ponds. You might have to provide protecting boundaries to shield the fish from predators.
Drinking water treatment: Suitable incoming h2o treatment method can reduce the chance of introducing pathogens or contaminants into your fish farm.