… and gonadotropic axes in rainbow trout (Oncorhynchus mykiss), changes in pituitary content
of the specific messenger RNA of growth hormone (GH) and gonadotropin (GTH) - and -…

Female rainbow trout (Oncorhynchus mykiss) were exposed to 4-… An effect on gonadotropin
synthesis and secretion was also observed. Plasma follicle stimulating hormone (FSH) levels …

… specific assays for each gonadotropin. The present investigation … levels of GTH I and GTH
II during the annual reproductive cycle of rainbow trout in relation to the ability of gonadotropin-…

… of serial changes in gonadotropin and oestradiol-17P and phosphoprotein phosphorus and
total calcium (as measures of vitellogenin) in female rainbow trout exposed to alterations in …

… changes in serum levels of gonadotropin, oestradiol 17p and … reproductive cycle of the
female rainbow trout. Two series of … higher levels of gonadotropin in rainbow trout during early …

… -17B and gonadotropin during ovulation in rainbow trout (… gonadotropin during the
beginning of spermiation in rainbow … of plasma gonadotropin.levels in the female rainbow trout …

… In this study, maximum levels of plasma GTH I in male rainbow trout during their first
reproductive season were around 5 ng/ml. This increase in plasma GTH I in male trout during mid- …

… -oxotestosterone and glycoprotein gonadotropin levels related to sperm production in male
rainbow trout at the … When these levels increase as spenniation progresses, the gonadotropin …

… rainbow trout and many other fish species, using various GtH preparations. For example, in
rainbow trout … injection with GtH induced a five-fold increase in the plasma level of estradiol-…

… Changes in the mRNA levels in female rainbow trout in the ambient (Control) and decreasing
photoperiod groups (P1–P3) in Experiment 1. (A, B) GnRH3-1 and GnRH2. (C–E) GTH …