Semiochemicals and social signalling in the wild European rabbit in Australia. II, Variations in chemical composition of chin gland secretion across sampling sites

Richard A. Hayes, Barry J. Richardson, Sonia C. Claus, S. Grant Wyllie

    Research output: Contribution to journalArticle

    Abstract

    The volatile components of the chin gland secretion of the wild European rabbit, Oryctolagus cuniculus (L.), were investigated with the use of gas chromatography. Studies of the chemical nature of this secretion by previous workers demonstrated that it was important in the maintenance of social structure in this species. This study identified 34 different volatile components that consist primarily of aromatic and aliphatic hydrocarbons. Especially common are a series of alkyl-substituted benzene derivatives that provide most of the compound diversity in the secretion. Samples of chin gland secretion collected from animals at three different geographical locations, separated by more than 100 km, showed significant differences in composition. This work suggests that variation among populations needs to be considered when undertaking semiochemical research. Alternate nonparametric methods are also used for the analysis of chromatographic data.
    Original languageEnglish
    Number of pages13
    JournalJournal of Chemical Ecology
    Publication statusPublished - 2002

    Keywords

    • European rabbit
    • gas chromatography
    • mass spectrometry
    • multidimensional scaling
    • social behavior in animals
    • animal communication

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