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 …

Seasonal reproductive cycle in fish is precisely regulated by different hormones, which lead
them to breed at a specific time of the year. Environmental signals are presumably received …

Release of steroid hormone from the ovary is so far believed to be regulated solely by
gonadotropic hormones. Thyroid hormone has been implicated in the reproduction of …

To ensure masculinization and normal growth of the obligately air-breathing fighting fish
Betta splendens, norethindrone acetate (NE) was administered through discrete immersions …

Vertebrate steroids, estradiol-17β (E₂) and progesterone (P), have been estimated in the
hemolymph, ovary and hepatopancreas of mole crab Emerita asiatica and freshwater prawn …

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

Histochemical localization of strategically important steroid dehydrogenase (3β-HSD) and
immunohistochemical studies using testosterone antisera confirmed the active nature of …

The endocrine mechanism regulating reproduction of tiger shrimp, Penaeus monodon, is a
field of topical interest, which is to be addressed in detail as control of reproduction in …

Two masculinizing hormones (17α-methyltestosterone (MT) and 17α-ethynyltestosterone
(ET) and two feminizing hormones (17β estradiol (E) and diethylstilbestrol (DES)) were …