To produce all‐male progenies in the fighting fish, Betta splendens, six groups of fry were
subjected to discrete immersion treatment at different 17α‐methyltestosterone (MT) doses …

The effects of two synthetic androgens, 17α‐methyltestosterone (5–50mg/kg food), 19‐nor‐
ethynyltestosterone (2–50 mg/kg food) and two natural androgens, 11 ketotestosterone (10 …

During the production of sunshine bass, the fish are graded several times to avoid loss due
to cannibalism. Such grading of fish that may exhibit sexually dimorphic growth could result …

The study has been conducted to understand gonadal development and the effects of
$17^{\alpha} $-methyltestosterone on sex inversion of the red spotted grouper, Epinephelus …

Attempts were made to induce sex reversal of under 2-year-old blue-spotted groupers and to
induce spawning of 4-year-old females. Mature males, through sex reversal, were obtained …

The present paper describes sex reversal in dusky grouper, Epinephelus marginatus
(Lowe). Over a 4‐month feeding period, 5 mg kg− 1 of the male hormone 17‐α …

The green swordtail X. hellerii Heckel, 1848 is a commercially important ornamental
species. As phenotypic males with the sword extension of the caudal fin are more valuable …

Abstract Male Siamese fighting fish (Betta splendens Regan) of the veiltail variety were
raised. At the age of 4 ½ months they were either isolated or community‐housed for 2 ½ …

This study was carried out to examine the effect of combining factors for immersion
technique on masculinization of red tilapia (Oreochromis spp.). Three selected doses (1000 …

This research objective was to investigate the effects of two synthetic androgens, 17 α-
methyltestosterone (MT) and mesterolone, on sex reversal in flowerhorn fish by hormonal …