Condition dependence of sexual attractiveness in the bank vole
Condition dependence of sexual attractiveness in the bank vole
复制标题
银行田鼠性吸引力的条件依赖性
DOI：
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发表时间：
2008
影响因子：
2.3
通讯作者：
J. Radwan
中科院分区：
文献类型：
--
作者：
S. Łopuch;J. Radwan
性特征由于其条件依赖性而捕获遗传变异被假设为配偶选择的遗传益处的基础。在这里，我们调查条件依赖性的银行田鼠Myodes glareolus男性的性吸引力，通过操纵他们的饮食期间的成熟。我们发现，降低饮食质量会对雄性交配成功率和用于性信号的包皮腺的发育产生负面影响。包皮腺表现出更强的条件依赖性比其他器官测量（睾丸，心脏，肠）。在交配成功，男性的优势没有显着影响饮食操作，并没有与男性交配成功。因此，我们的研究结果支持条件依赖性的性吸引力，但不是内部的性竞争力。
The capture of genetic variation by sexual traits due to their condition dependence is hypothesized to underlie the genetic benefits of mate choice. Here, we investigate condition dependence of sexual attractiveness of bank vole Myodes glareolus males by manipulating their diet during the period of maturation. We find that reducing diet quality negatively affected both male mating success and development of preputial glands used in sexual signaling. Preputial glands showed stronger condition dependence than other organs measured (testes, heart, intestines). In contrast to mating success, male dominance was not significantly affected by diet manipulation and was not correlated with male mating success. Thus, our results support condition dependence of sexual attractiveness but not of intrasexual competitiveness.