The main but not the accessory olfactory system is involved in the processing of socially relevant chemosignals in ungulates.
The main but not the accessory olfactory system is involved in the processing of socially relevant chemosignals in ungulates.
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DOI：
10.3389/fnana.2012.00039
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发表时间：
2012
影响因子：
2.9
通讯作者：
Lévy F
中科院分区：
文献类型：
--
作者：
Keller M;Lévy F
与许多其他哺乳动物一样，绵羊和山羊等有蹄类动物也有两个互补的嗅觉系统。关于社会行为的感官控制，这两个系统所发挥的相对作用长期以来一直引起人们的兴趣。对有蹄类动物社会行为的研究可以作为啮齿类动物研究的补充替代方案，因为它们生活在更自然的环境中，并且它们的社会行为在很大程度上取决于嗅觉。此外，主嗅球（MOB）的相对大小[与副嗅球（AOB）相比]比许多其他无脑物种（如啮齿动物）更发达。在这篇综述中，我们提供的数据显示，有蹄类动物的嗅觉控制下，主要嗅觉系统明显参与了两种特征明确的社会情境，即出生时的母性行为和后代识别，以及在发情季节暴露于雄性的雌性促性腺轴的重新激活。总之，我们讨论了犁鼻系统在有蹄类动物社会行为中的作用的证据的缺乏与这些物种中存在发达的辅助嗅觉系统之间的明显差异。
Ungulates like sheep and goats have, like many other mammalian species, two complementary olfactory systems. The relative role played by these two systems has long been of interest regarding the sensory control of social behavior. The study of ungulate social behavior could represent a complimentary alternative to rodent studies because they live in a more natural environment and their social behaviors depend heavily on olfaction. In addition, the relative size of the main olfactory bulb (MOB) [in comparison to the accessory olfactory bulb (AOB)] is more developed than in many other lissencephalic species like rodents. In this review, we present data showing a clear involvement of the main olfactory system in two well-characterized social situations under olfactory control in ungulates, namely maternal behavior and offspring recognition at birth and the reactivation of the gonadotropic axis of females exposed to males during the anestrous season. In conclusion, we discuss the apparent discrepancy between the absence of evidence for a role of the vomeronasal system in ungulate social behavior and the existence of a developed accessory olfactory system in these species.
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