Jan 27 2015

Hormonal sex reversal of tilapia fry (practice and contradicting opinions) – Video

After a short introduction of tilapia in aquaculture, this 17-min video focuses on the production of all-male tilapia through the sex reversal practices using male hormone. The logic sequence of the sex reversal process has been maintained to large extent starting by the sexual differentiation in tilapia then determining the appropriate age and/size for successful production of males whether the treated fry are produced in controlled hatcheries or collected from mass spawning facilities. The preparation of hormonal treated feed has been adequately addressed. The contradicting views on the use of 17-alpha methyltestosterone have been addressed while ending the presentation with the need to ensure the safety of the process and the role of research and fish authorities in that.






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