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11-ketotestosterone levels at different reproductive phases and its effect on behaviour in the male three-spined stickleback (Gasterosteus aculeatus)
Páll, M.K.; Mayer, I.; Borg, B. (2000). 11-ketotestosterone levels at different reproductive phases and its effect on behaviour in the male three-spined stickleback (Gasterosteus aculeatus), 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. 145
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 [4172]

Keyword
    Marine

Authors  Top 
  • Páll, M.K.
  • Mayer, I.
  • Borg, B.

Abstract
    To determine the role of the decline in plasma 11-ketotestosterone (11KT) levels during the parental phase, intact male sticklebacks were implanted with 11-ketoandrostenedione (11KA). 11KA is converted to 11KT in the fish. This treatment prevented the natural decline of 11KT, the consequences of which were studied regarding behavioural responses in the males. Treated males exhibited the similar decrease in sexual behaviour and increase in parental behaviour as controls.

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