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🐟 Fisheries

చేపలు / రొయ్యలు — pond prep, polyculture, water quality, aeration and harvest.

6 videos · aquaculturefisherieskorameenusnakehead-fishfisheries-subsidyprawns

The workflow

flowchart LR
    A[Pond prep<br/>liming, drying] --> B[Stock fingerlings<br/>polyculture]
    B --> C[Feed mgmt<br/>protein 28-32%]
    C --> D[Water quality<br/>DO, pH, ammonia]
    D --> E[Aeration +<br/>partial harvest]
    E --> F[Final harvest<br/>+ market sale]

Water quality > feed > genetics. Get DO right and you win.

Key takeaways

Switching from wild native Korameenu to the feed-converted Vietnamese strain on a 7-month cycle delivered around Rs 5 lakh profit per 1-acre pond after a failed first batch.
Bhimavaram aquaculture economics: prawn lease and feed costs trebled while 30-count price fell from Rs 790 to Rs 500/kg, squeezing margins on 300-acre operations.
Nalgonda farmer turned a useless 2-acre rock quarry into a fish pond earning Rs 1.5 lakh/year - more than crop yields on adjacent fields.
Murrel fish raised in a converted stream-bed instead of square ponds lets a Kadapa farmer stagger 4 batches and recycle nutrient-rich wastewater into banana, with 33,000 fingerlings per pond at Rs 12 each.
Bamboo fish-trap weavers in Miryalaguda hand-make 15+ trap variants tuned to each species, baited with fish-meat and camouflaged with grass for theft protection.
Successful shrimp aquaculture requires intensive daily pond maintenance, not just initial investment.