Hormonal induction of sex reversal is possible in 50 species. Dietary administration may be
avoided by adopting immersion technique. Neuropeptide Y, aromatase inhibitor and …

Due to non-visibility of egg nucleus, the established scheme of nuclear manipulation to
clone fish may prove a difficult task. However, fishes are amenable for interspecific …

The processes of sex determination and differentiation are labile in teleosts and are
amenable for manipulations by ploidy during fertilization, hormone during hatching …

Available information on the advantages and limitations of the techniques of hybridization
and hormone treatment for the production of all male tilapias is summarized. The critical …

Asian scientists are the first to initiate research it activity in transgenic fish. Transgenic fish
thus J few, in which reproductive performance seems framed their respective national policy …

The restricted scope of cytoplasmic introduction of transgene, and the limited availability of
fish cDNA sequences and promoters, are the major hurdles in the production of transgenic …

In fishes the hormonal induction of masculinization is a more stressful process (as
evidenced by higher mortality) than that of feminization. This is further evidenced from …

Methods of producing monosex populations are important in tilapia fish (Oreochromis
mossambicus) culture, because tilapias tend to quickly overpopulate aquatic systems …

Supermale (YY–♂) Oreochromis mossambicus was produced for the first time by judiciously
combining the endocrine sex reversal technique with selective breeding or gynogenetic …

The majority of fishes breed at a particular time of the year and the seasonal reproductive
cycle is precisely maintained by endocrine cycle. Environmental stimuli like photoperiod and …