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
o To increase the availability of basic plankton crystals
Cowdung-4 ton / ha
o SSP-30-40kg / ha
o Cow dung-500 kg / ha
o SSP-15 kg / ha
Urea -10 kg / ha
Stockings – Stock Lak @ 2-3 lakh / ha
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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