Tag: hormonal treatment

Culture of all-male tilapia in Senegal

Photos’ credit: Jean-Marie Sambou (Senegal) Description: Jean Marie   and Abdel Rahman El Gamal (Founder of the website) The inserted photos show the production and distribution of Nile tilapia (Oreochromis niloticus) fingerlings in Senegal. Typically, all-male tilapia is produced via hormonal treatment using 17-alpha methyl testosterone. The pictures have been taken in a private tilapia hatchery …

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Permanent link to this article: https://fishconsult.org/?p=15308

Grading of tilapia fry for sex-reversal process – Video

Video credit: Charles Bernard Makuya Description: Abdel Rahman El Gamal (Founder of the video channel) Because of the superiority of tilapia males over females in regard to growth rate, several scenarios are adopted towards the culture of all-male tilapia. Whether the use of male hormone (17-alpha methyl testosterone) is permitted or banned, its use is …

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Permanent link to this article: https://fishconsult.org/?p=14719

Production of all-male fingerlings of Nile tilapia in Benin (treatment tanks)

Credit: Ismael Radwan (Egypt) The photo shows the facilities what are in use during the hormonal treatment of Nile tilapia, Oreochromis niloticus. One may notice that the relatively small size of tanks which enables the matching with the possible number of treated tilapia fry keeping in mind that the fecundity of Nile tilapia (no. eggs/female) …

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Permanent link to this article: https://fishconsult.org/?p=10472