微卫星分析发现，在Tengmalm的猫头鹰，Aegolius funereus中，额外的父权率很低

Q2 Agricultural and Biological Sciences

Folia Zoologica Pub Date : 2017-04-01 DOI:10.25225/fozo.v66.i1.a3.2017

J. Hornícek, P. Menclová, Alena Popelková, D. Rymešová, Markéta Zárybnická, J. Bryja, J. Svobodová

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引用次数: 0

摘要

摘要遗传方法能够揭示亲代在繁殖过程中所起的神秘作用，特别是在一夫一妻制的物种中。在猛禽和猫头鹰中，额外的父权比例通常很低，在某些物种中，这种现象与顺序多夫制密切相关，这种情况在食物充足的年份很少发生。本研究对捷克奥尔山地区的Tengmalm’s owl (Aegolius funereus)的交配系统进行了研究。在这个地区，该物种通常以高繁殖密度筑巢，这可以增加额外配对交配的机会。共在7个微卫星位点对46个巢箱中的297只(雌性54只，雄性47只，幼年196只)进行了基因分型。我们介绍了一项为期五年的研究结果，发现了四对额外的雏鸟(2.3%)，这些雏鸟不是由顺序多夫制引起的。

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Microsatellite analysis detects low rate of extra-pair paternity in Tengmalm's owl, Aegolius funereus

Abstract. Genetic methods enable to reveal cryptic parental contributions in reproduction, especially in socially monogamous species. The rate of extra-pair paternity is generally low in raptors and owls and its presence in some species is tightly associated with sequential polyandry which can rarely occur in years with high food availability. In this study we investigated the mating system of the Tengmalm's owl (Aegolius funereus) in the Ore Mountains (Czech Republic). In this area, the species usually nests in high breeding densities which could increase an opportunity for extra-pair copulations. In total, 297 individuals (54 females, 47 males and 196 juveniles) from 46 nest boxes were genotyped at seven microsatellite loci. We present results of a five-year study and four extra-pair nestlings (2.3 %) were detected which did not result from sequential polyandry.

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