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Effects of sex steroids on upstream migratory behavior of masu salmon
Munakata, A.; Amano, M.; Ikuta, K.; Kitamura, S.; Aida, K. (2000). Effects of sex steroids on upstream migratory behavior of masu salmon, 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. 139
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 
  • Munakata, A.
  • Amano, M.
  • Ikuta, K.
  • Kitamura, S.
  • Aida, K.
Abstract
    Administration of testosterone (T) and 11-ketotestosterone (11-KT) induced upstream migratory behavior of castrated 1+ precocious male masu salmon, while estradiol-17 beta (E sub(2)) and 17 partial differential ,20 beta -dihydroxy-4-pregnene-3-one (DHP) showed no significant effects. In 1+ immature females E sub(2), T and 11-KT stimulated the upstream migratory behavior, while DHP failed to stimulate the upstream migratory behavior. These results indicate that sex steroids especially T is the important regulating factor for upstream migratory behavior in masu salmon.
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