Plasma prolactin levels related to changes of salinity in the green water frog, rana esculenta

G. Mosconi, K. Yamamoto, S. Kikuyama, A. M. Polzonetti-Magni

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    Abstract

    In this study the involvement of prolactin (PRL) in the adaptation to different salinities by the frog, Rana esculenta, has been studied. Two different populations of male frogs were investigated, one living at sea level in a lagoon in which the salinity varies in the range of 2 to 10 %, and the other in a freshwater mountain pond. The results show that the values of plasma PRL are not significantly higher in freshwater frogs than in those of the lagoon. Furthermore, an increase in salinity induces an increase of plasma PRL in freshwater frogs but not in lagoon frogs.

    Original languageEnglish
    Pages (from-to)53-56
    Number of pages4
    JournalNetherlands Journal of Zoology
    Volume45
    Issue number1-2
    DOIs
    Publication statusPublished - 1994

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    Keywords

    • Frog
    • Prolactin
    • Salinity changes

    ASJC Scopus subject areas

    • Animal Science and Zoology

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