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 …

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

In their natural habitat African catfish, Clarias gariepinus, show a discontinuous reproductive
cycle. This cycle follows changes in the gonadotropic activity of the pituitary. Gonadotropin …

Measuring hormone levels multiple times on the same individual across different life stages
or treatments can facilitate our understanding of hormonal regulation of physiological and …

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 …

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 …

Abstract 14 mature♀♀ were given an intramuscular injection of 0.8 IU HCG per g body
weight. Five fish ovulated 20 h after HCG and the remaining 9 ovulated 24 h after HCG …

The african catfish, Çlarias lazera lends itself admirably to fish culture on account of its
hardiness, its omnivorous character and its ability to live in poorly oxygenated water …

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

Blood serum and testicular tissue samples were collected from 3 to 13-month-old African
catfish (groups AG) in order to study their pubertal development. The sampling covered the …