Abstract
The state of steroid-secreting cells in fingerlings of the pink salmon Oncorhynchus gorbuscha, chum salmon O. keta, and salmon trout O. masou just before their release from fish farms, as well as the state of gonads in juvenile O. gorbuscha reared in the Ichthyology Laboratory of the Biological Research Institute of St. Petersburg University were studied. It was established that the state of steroid-secreting cells in juveniles of all three species considerably differs. In males and females of the same ages, different trends were revealed indicating that the extent of the development of ultrastructure in these cells is related to age in males and to the rate of growth of oocytes in the period of previtollogenesis in females.
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Original Russian Text © M.V. Mosyagina, O.V. Zelennikov, 2006, published in Voprosy Ikhtiologii, 2006, Vol. 46, No. 2, pp. 272–277.
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Mosyagina, M.V., Zelennikov, O.V. On the role of steroid-secreting cells in the regulation of gonad development in juvenile Pacific salmon. J. Ichthyol. 46, 265–270 (2006). https://doi.org/10.1134/S0032945206030064
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DOI: https://doi.org/10.1134/S0032945206030064