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. 2022 Mar 31;9:859848. doi: 10.3389/fvets.2022.859848

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Copyright © 2022 Onarheim, Janczak and Nordgreen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Box plots of total number of entries in BWPT. The data were analyzed with ANOVA. Treatment, test order, and whole-body cortisol concentration were entered as fixed factors, and the interaction between test order and treatment and treatment and cortisol were included. Significant group differences from post-tests are marked with unique lowercase letters. GH, group housed; IH, individually housed; BWPT, BWPT as the first behavioral test; NTDT, NTDT as the first behavioral test; N, number of fish.