Effects of gonadotropins and adrenocorticotropin on plasmatic steroids of the catfish, Heteropneustes fossilis (Bloch)

B Truscott, DR Idler, BI Sundararaj… - General and Comparative …, 1978 - Elsevier
The levels of some steroids in the plasma of female catfish were estimated following a single
injection of porcine ACTH, ovine LH, or partially purified salmon gonadotropin (SG-G100) …

Plasma levels of C18‐, C19‐ and C21‐steroids in captive and feral female sea bass

MJ Rocha, MA Reis‐Henriques - Journal of fish biology, 1999 - Wiley Online Library
Morphometric analysis of the gonads of sea bass Dicentrarchus labrax revealed that captive
fish matured 1 month later than feral fish, but levels of gonadal steroids were identical in …

Role of testosterone, estradiol-17β, and cortisol during vitellogenin synthesis in the catfish, Heteropneustes fossilis (Bloch)

BI Sundararaj, SV Goswami, VJ Lamba - General and comparative …, 1982 - Elsevier
Incubation of ovarian tissue obtained from vitellogenic catfish with labeled testosterone (T)
resulted in the formation of labeled estrogens in the incubation medium. The amount of label …

Change of steroidogenic pathways in the ovary of a tropical catfish, Clarias macrocephalus, Gunther, after hCG treatment

K Suzuki, ESP Tan, B Tamaoki - General and comparative endocrinology, 1989 - Elsevier
Adult female catfish received an im injection of 454 IU hCG in 0.2 ml saline. Sixteen hours
later, the ovarian tissue from the hCG-treated or control fish was aerobically incubated in …

Seasonal changes in the production of two novel and abundant ovarian steroids in the channel catfish (Ictalurus punctatus)

JL Ponthier, CHL Shackleton, JM Trant - General and comparative …, 1998 - Elsevier
Timely and appropriate changes in steroid plasma titers are necessary for successful
reproduction in all vertebrates. Gonadal steroidogenesis of the most intensively cultured …

Changes in Ovarian Maturity in the Tropical Walking Catfish, Clarias batrachus Reared under 23-25. DEG. C..

M Zairin - 日本水産学会誌, 1992 - jlc.jst.go.jp
To investigate the changes in ovarian maturity in the tropical walking catfish, 15 females and
15 males (7 months old) were maintained under constant warm water temperature (23-25° …

Steroid metabolism in the testes of the African catfish, Clarias gariepinus (Burchell), during spawning season, under natural conditions and kept in ponds

W Schoonen, JGD Lambert - General and comparative endocrinology, 1986 - Elsevier
Steroid metabolism in the testes of Clarias gariepinus, collected in the Hula nature reserve
and a fish pond in North Israel during the spawning season, was studied in vitro by …

Changes in plasma and gonadal steroid hormones in relation to the reproductive cycle and the sex inversion process in the protandrous seabass, Lates calcarifer

Y Guiguen, B Jalabert, E Thouard, A Fostier - General and comparative …, 1993 - Elsevier
Plasma and gonadal levels of several gonadal steroids (testosterone, 11-ketotestosterone,
androstenedione, 11β-hydroxyandrostenedione, 17β-estradiol, and estrone) were …

Gonadal development and serum profiles of vitellogenin and steroid hormones in captive Pacific herring, Clupea pallasii, during the first and second reproductive …

Y Koya, K Soyano, K Yamamoto, H Obana… - … Symposium on the …, 2000 - lifewatch.be
Histological changes of gonads and serum profiles of sex steroids and vitellogenin (VTG)
during the first and second reproductive cycles in the Pacific herring were examined. The …

Effect of egg deprivation on sex steroids, gonadotropin, prolactin, and growth hormone profiles during the reproductive cycle of the mouthbrooding cichlid fish …

P Tacon, JF Baroiller, PY Le Bail, P Prunet… - General and …, 2000 - Elsevier
Various hormones were analyzed during the course of a reproductive cycle in the cichlid fish
Oreochromis niloticus: plasma levels of the gonadal steroids 17β-estradiol (E2), testosterone …