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Advancement of ovulation in yellowtail flounder (Pleuronectes ferrugineus) using environmental manipulation with gonadotropin hormone releasing hormone analogue (GnRH-a)
Lush, P.L.; Crim, L.W. (2000). Advancement of ovulation in yellowtail flounder (Pleuronectes ferrugineus) using environmental manipulation with gonadotropin hormone releasing hormone analogue (GnRH-a), 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. 434
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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  • Lush, P.L.
  • Crim, L.W.
Abstract
    Female yellowtail flounder were manipulated using photoperiod and thermal cues. Two groups were held under identical environmental conditions with one of the groups receiving a sustained release GnRH-a cholesterol pellet, the other receiving a blank pellet. First ovulation was observed 3.5 months earlier in the environmentally manipulated group given the hormone preparation than the unmanipulated broodstock. The environmentally manipulated sham control group spawned only 2 weeks prior to the unmanipulated broodstock fish. Egg quality parameters were similar for all treatments.
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