Melissa Burns-Cusato, Arpit Rana, Will Hawkins, Zach Young, Mark E Hauber
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引用次数: 0
摘要
在鸟类的巢寄生中,寄生虫将卵产在寄主的巢中,而许多野生寄主的反应是消灭或抛弃它们的窝中的外来卵。然而,对卵子排斥的直接,特别是生理和经验依赖的认知机制的研究的限制是缺乏合适的圈养模型系统。在这里,我们测试了实验室饲养的环颈鸽(链颈鸽)是否对视觉上不同的卵类型(通过在鸽子自己的卵上涂上墨水处理)做出反应,拒绝它们。我们发现,在两个实验中的两个中,相对于对照蛋,棕色蛋更经常被拒绝,主要是通过鸡蛋埋葬,但只有一小部分鸽子对这样做。这些结果支持环颈鸽成为研究外来卵子排斥反应的合适圈养模型,并为未来在一个可处理的研究系统中对卵子排斥反应的综合研究(如遗传、内分泌、个体发生和认知)开辟了道路。然而,该模型系统在分析野生宿主-寄生虫相互作用方面的生态学有效性和适用性仍然有限。(PsycInfo Database Record (c) 2022 APA,版权所有)。
Egg burial in the ringneck dove (Streptopelia risoria): A potential laboratory model system for egg-rejection research?
In avian brood parasitism, parasites lay their eggs in the nests of hosts, and many hosts in the wild respond by eliminating or abandoning foreign eggs in their clutch. However, a limitation upon the study of proximate, especially physiological and experience-dependent cognitive mechanisms of egg rejection, has been the lack of a suitable model system in captivity. Here, we tested whether laboratory-kept ringneck doves (Streptopelia risoria) respond to visually distinct egg types (through applying an ink treatment upon the doves' own eggs) by rejecting them. We found that in two of two experiments, brown eggs were more often rejected, through predominantly egg burial, relative to control eggs but were done so only by a subset of dove pairs. These results are supportive of ringneck doves to become a suitable captive model for the study of foreign-egg rejection, and open the way for future research on the integrative (e.g., genetic, endocrine, ontogenetic, and cognitive) study of egg-rejection responses in a tractable research system. However, the ecological validity and applicability of this model system for the analysis of host-parasite interactions in the wild remain narrowly limited. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
期刊介绍:
The Journal of Comparative Psychology publishes original research from a comparative perspective
on the behavior, cognition, perception, and social relationships of diverse species.