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Changes in serum choriogenin and vitellogenin levels in masu salmon (Oncorhynchus masou) during sexual maturation and after estrogen treatment
Fujita, T.; Hiramatsu, N.; Shimizu, M.; Sullivan, C.V.; Hara, A. (2000). Changes in serum choriogenin and vitellogenin levels in masu salmon (Oncorhynchus masou) during sexual maturation and after estrogen treatment, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 314
In: Norberg, B. et al. (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. International Symposium on the Reproductive Physiology of Fish, 6. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., more
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales. , more
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Keyword
    Marine/Coastal
Authors  Top 
  • Fujita, T.
  • Hiramatsu, N.
  • Shimizu, M.
  • Sullivan, C.V.
  • Hara, A.
Abstract
    Serum levels of the precursors to vitelline envelope proteins (choriogenin H and L; Chg H and Chg L) and vitellogenin (Vg) were measured in masu salmon during natural maturation and after injection of the fish with estradiol-17 beta (E2). Comparison of Vg, E2 and Chgs levels revealed higher concentrations of Chgs than Vg coinciding with low E2 levels. These results indicate coordinated regulation of Chg H, L and Vg concentrations in serum by circulating E2 levels.
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