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Temperature experienced by female wolffish (Anarhichas lupus L.) during vitellogenesis: sex steroid profiles and influences on the timing of ovulation
Tveiten, H.; Johnsen, H.K.; Schulz, R. (2000). Temperature experienced by female wolffish (Anarhichas lupus L.) during vitellogenesis: sex steroid profiles and influences on the timing of ovulation, 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. 335
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
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  • Tveiten, H.
  • Johnsen, H.K.
  • Schulz, R.
Abstract
    Three groups of wolffish were held at different temperatures during vitellogenesis, and effects of temperature on plasma profiles of testosterone (T) and oestradiol (E2) and the timing of ovulation were assessed. Temperature treatment influenced temporal changes in plasma sex steroid concentrations, but had little effect on peak values. For fish held at 8 and 12 degree C the peaks of both T and E2 were about four and five weeks delayed relative to fish held at 4 degree C. These differences were associated with corresponding shifts in the timing of ovulation.
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