Tag: duration of sex reversal treatment

Production of all-male Nile tilapia (Oreochromis niloticus) through sex reversal in Guatemala

Credit: Manuel Cano Alfaro (Guatemala) The first photo shows people collecting the swim-up fry of Nile tilapia (Oreochromis niloticus) from the spawning tanks. Tilapia broodstock are stocked at the ratio of four females for each male. The collected fry are passed to the sex reversal unit which is shown in the second photo. The sex reversal …

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