Abstract: In order to examine the functions of non-volatiles and volatiles in individual recognition of mandarin voles (Microtus mandarinus), behaviors of mandarin voles in direct model (contacting urine directly),with those in indirect (being prevented from contacting urine directly)model were compared in present research. When mandarin voles contacted the urine directly, they showed significantly more preference toward the urine of familiar voles than those of the novel voles. When the voles were prevented from contacting urine directly, although voles showed differences in the preferences of odour, they did not show significant difference in some behaviors as were see in the direct contact model. When mandarin voles were prevented from contacting urine, they could still learn and remember volatile molecules of the opposite sex. It suggested that the chemical signal of urine in individual recognition of mandarin vole is contained in the volatiles or the complex mixture of non-volatiles. The non-volatile molecules of urine seemed to be also important for the individual recognition.

Key words: Mandarin voles (Microtus mandarinus), Urine recognition

摘要： 本文通过直接接触和非直接接触尿液的方式,探讨了棕色田鼠尿液中挥发性和非挥发性成分在气味识别中的作用。结果表明:在直接接触的情况下,棕色田鼠对熟悉异性鼠的尿液表现出明显的选择倾向;在非接触情况下这种倾向不明显;雌雄棕色田鼠在非接触情况下共处后,在直接接触尿液时,雌雄鼠都对异性熟悉鼠的尿液表现出明显的选择倾向。通过实验发现:棕色田鼠不但能够在直接接触的情况下识别熟悉和陌生异性鼠尿液,而且能够通过感知个体产生的挥发性化学物质而对陌生的异性个体形成记忆,在以后通过其尿液对其进行识别,而在此过程中尿液中非挥发性成分可能也起着一定作用。

关键词: 棕色田鼠, 尿液识别