biofloc fish farming ppt for Dummies
biofloc fish farming ppt for Dummies
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SGR is calculated utilizing the system SGR(%) = LOG e remaining bodyweight of the fish – Log e initial bodyweight from the fish/ range of times x a hundred. PWG is calculated using the system PWG(%) = Final excess weight of the fish- First fat/ First pounds x one hundred. FCR is decided by dividing the dry feed excess weight presented from the damp weight from the fish.
बायोफ्लॉक फार्मिंग के विभिन्न प्रकार और उनकी विशेषताएँ
क्या बायोफ्लॉक सिस्टम पर्यावरण के अनुकूल है?
Biosecurity steps: Utilizing rigid steps can stop the spreading of diseases and parasites in fish farms. This involves proper equipment disinfection, incoming fish monitoring, and isolation of sick fish.
With Biofloc, we could recycle this squander again into feed and decrease the costs of significant protein feeds. Biofloc systems make improvements to fish wellbeing and also reduce the spread of pathogens.
Lessened Environmental Influence: Biofloc fish farming is really an eco-friendly method of fish farming, because it cuts down the environmental influence of fish farming. The procedure lowers the necessity for water exchange, which helps to conserve water and decrease the environmental impression of fish farming.
Productive Restoration and sustainable water quality without having sodium bicarbonate; bigger bacterial range
Bottom dwellers are Specially excellent for Biofloc systems due to the fact shifting bacterial Neighborhood generally lingers in the water column. Catfish, carp, trout, bass, and salmon are also regarded great fish to make use of with Biofloc systems.
Cost-return Assessment of fish farming on sample fish farms disclosed that labor cost, energy use, diesel use from the irrigation system, and aeration cost ended up the major constituents of variable cost. Whole variable cost per hectare was optimum on tiny fish farms, followed by medium and large farms which clearly show the economies of scale.
Once you’ve selected the proper pond or tank, it’s time to work to the air flow system. All biofloc systems need a relentless velocity to maintain high oxygen levels and density security.
Feeding management: Feeding tactics need to be modified dependant on the size and advancement level with the fish. Overfeeding fish with feed can cause bad h2o top quality, though underfeeding may result in stunted progress.
Blood glucose amounts are employed by biological systems as A vital gasoline to enhance muscle mass exercise, and glucose is an important indicator in evaluating acute worry, as glucose ranges raise when tissues such as the brain, gills, and muscles improve respiration to cope While using the elevated Vitality calls for of tension [56]. Inside of a annoying atmosphere, stress hormones for example cortisol and catecholamine are unveiled to be a Major reaction in fish, with glucose production currently being a secondary reaction [fifty seven]. Shourbela et al. [forty seven] confirmed that the plasma glucose of O. niloticus cultured with biofloc made out of several carbon resources for example glycerol, molasses, and starch was appreciably diminished, meaning click here that anxiety stages have been reduced inside the fish in biofloc when compared with the control group. Verma et al. [45] also identified a minimize in plasma glucose ranges in Rohu, Labeo rohita, when it had been cultured with biofloc made from several carbon resources which include tapioca, wheat, corn, and sugar bagasse, and they recommend that this was resulting from a decrease in cortisol and glucose attributable to the a lot less stressful biofloc ecosystem.
In the event you don’t have enough resources to begin a fish farming small business, then You may as well apply for bank loans.
Water therapy: Suitable incoming water treatment can minimize the potential risk of introducing pathogens or contaminants to the fish farm.