Effects of body size, accessory gland and testis size on pre- and postcopulatory success in Drosophila melanogaster
Effects of body size, accessory gland and testis size on pre- and postcopulatory success in Drosophila melanogaster
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DOI：
10.1006/anbe.2002.1976
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发表时间：
2002-12-01
期刊：
影响因子：
2.5
通讯作者：
Partridge, L
中科院分区：
文献类型：
--
作者：
Bangham, J;Chapman, T;Partridge, L
雄性的繁殖成功受到交配前后发生的事件的影响。本文采用多元回归分析方法研究了果蝇雄性交配成功率与个体大小、附腺和睾丸大小之间的关系。男性较大的附属腺体交配频率比男性较小的附属腺体。这种关联超过了副腺大小与身体大小的异速生长。较大的男性有较高的postcopulatory成功比较小的男性。我们没有发现交配前或交配后成功与睾丸大小之间存在任何关联的证据。与以前的文献相结合，我们的研究结果表明，较大的男性有更高的交配前和交配后的生殖成功比较小的男性。(C)2002年，动物行为研究协会。由Elsevier Science Ltd.出版，版权所有。
Reproductive success in males is affected by events that occur both before and after mating. We used multiple regression to examine the relation between male pre- and postcopulatory success and body size, accessory gland and testis size in Drosophila melanogaster. Males with larger accessory glands mated at higher frequency than did males with smaller accessory glands. This association was over and above allometry of accessory gland size with body size. Larger males had higher postcopulatory success than smaller males. We found no evidence for any associations between pre- or postcopulatory success and testes size. Taken together with previous literature, our results suggest that larger males have both higher pre- and postcopulatory reproductive success than smaller males. (C) 2002 The Association for the Study ofAnimal Behaviour. Published by Elsevier Science Ltd. All rights reserved.