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Hatcheries take over traditional methods

Once upon a time, egg collectors used conventional earthen wells to hatch spawns after collecting eggs released by broodfish in the Halda. ....

Halda River , Kamal Uddin Sawdagar , Manzoorul Kibria , Shahidul Alam , Halda River Research Laboratory , Zoology Department In Chittagong University , Prof Dr Manzoorul Kibria , Zoology Department , Uddin Sawdagar ,