Changes in serum concentrations of steroid hormones, thyroxine, and vitellogenin during spawning migration the chum salmon, Oncorhynchus keta.

@article{Ueda1984ChangesIS,
  title={Changes in serum concentrations of steroid hormones, thyroxine, and vitellogenin during spawning migration the chum salmon, Oncorhynchus keta.},
  author={Hiroshi Ueda and O Hiroi and Akihiko Hara and Kohei Yamauchi and Yoshitaka Nagahama},
  journal={General and comparative endocrinology},
  year={1984},
  volume={53 2},
  pages={203-11}
}
Changes in serum concentrations of various steroid hormones (estradiol-17 beta, androgens, 17 alpha,20 beta-dihydroxy-4-pregnen-3-one (17 alpha,20 beta-diOHprog], thyroxine, and vitellogenin during the spawning migration (from the coastal sea to the spawning ground) of male and female chum salmon (Oncorhynchus keta) were investigated. In females, estradiol-17 beta levels were high during the early phases of the migration (sea and prespawning period), but significantly decreased in fish at the… CONTINUE READING