Checking the spawning of Nile tilapia (Oreochromis niloticus) in hapa system in Egypt (Video)

This video shows how the 2-person crew check the spawning of Nile tilapia (Oreochromis niloticus) in open hatchery system using hapas in earthen ponds. The crew are working at both sides of the spawning hapa. The gradually crowd tilapia broodstock to facilitate their handling. The intervals between checking depend on water temperature and target product whether fry and/or eggs.

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