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Changes of serum growth hormone and vitellogenin levels in cutthroat trout during sexual maturation
Fukada, H.; Hiramatsu, N.; Shimizu, M.; Sullivan, C.V.; Hara, A. (2000). Changes of serum growth hormone and vitellogenin levels in cutthroat trout during sexual maturation, 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. 313
In: Norberg, B. et al. (Ed.) (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. 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

Available in  Authors 
    VLIZ: Proceedings [4270]

Keyword
    Marine

Authors  Top 
  • Fukada, H.
  • Hiramatsu, N.
  • Shimizu, M.
  • Sullivan, C.V.
  • Hara, A.

Abstract
    A highly sensitive and specific chemiluminescent immunoassay (CLIA) was developed for measuring growth hormone (GH) in salmonids. In mature cutthroat trout, serum GH levels were elevated from November to December. In maturing female fish, profiles of serum estradiol-17 beta (E2) and vitellogenin (Vg) levels match these changes in serum GH. These results suggest that elevated GH concentrations may play a role in endocrine regulation of sexual maturation in salmonid fish.

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