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. 2023 Oct 19;13:17899. doi: 10.1038/s41598-023-45241-w

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Experimental setup. The short experimental fence was attached to the long fence that served as a property border (on the drawing, only a short section is depicted from the long fence). In the first segment of the experimental fence, the small and large doors are visible, both are in closed position. The relative positions of the experimenter, owner and dog are indicated as they were at the beginning of each trial. The bowl behind the doors shows the position where the reward was placed for the dogs. We recorded the trials with two cameras, their positions are also indicated.