The changes in the plasma level of sexsteroids during annual reproductive cycle of
freshwater catfish, Clarias batrachus were analyzed by radioimmunoassay for testosterone …

Sex steroids were measured in plasma and ovaries of the catfish, Clarias batrachus, mainly
over the course of their annual reproductive cycle. Plasma testosterone levels increased in a …

Circannual and circadian variations in plasma levels of steroids were estimated by
radioimmunoassay in the female and male catfish, Heteropneustes fossilis, over two …

Abstract Levels of estradiol-17-beta (E2), testosterone (T), 17-alpha-hydroxyprogesterone
(17-alpha-DHP) and 17-alpha-20-beta-dihydroxy progesterone (17-alpha-20-beta-DHP) …

Serum samples were taken from gravid female catfish 0 to 24 h after injection of luteinizing
hormone releasing hormone analogue (LHRHa) and pimozide (PIM) to monitor the serum …

Plasma sex steroid hormonal profile and gonad histology were correlated to study the
annual reproductive cycle of Hemibagrus nemurus. Hormones were measured by Enzyme …

Abstract Between May and August (year not given), at the Central Institute of Freshwater
Aquaculture (Kausalyaganga, India) plasma sex steroid profiles were studied during the …

Basic information on reproductive endocrinology is lacking in tropical fishes, although
tropical areas harbour a wide variety of fish species. This paper provides information on …

Estradiol (E2) and 17 alpha-hydroxyprogesterone (17 alpha-OHP) levels exhibited
significant circadian rhythms in the prespawning phase of the reproductive cycle. Pattern of …

The present experiment was performed in order to investigate the response of matured male
walking catfish to human chorionic gonadotropin (HCG). Short-term experiment. Mature …