Beyond barriers, towards diversity: how hybrid student conferences can drive accessibility.

The third International Student Symposium on Animal Behaviour and Cognition (ISSABC) aimed to address barriers for early career researchers, hosting a conference both in-person and online at the Universidad Nacional Autónoma de México (UNAM). The conference, attended by 101 in-person and 79 virtual participants from 24 countries, featured 81 presentations, 29 posters, five plenary talks, three workshops, and a career development round-table discussion. A user-friendly website and digital platforms facilitated communication and real-time discussions between in-person and online participants. Transparent fund management, support from sponsors and societies, and sustainable practices ensured financial accountability and minimised environmental impact. The conference emphasised sustainability measures, including eco-friendly catering and local reusable mugs. Future organisers of similar events are encouraged to prioritise local representation, plan contingencies, select plenary speakers rigorously, and employ effective marketing. With this meeting review, we highlight how hybrid conferences like the third ISSABC, through innovative approaches and sustainable practices, enhance accessibility, inclusivity, and empower the next generation of scientists.

Pacing behaviour in laboratory macaques is an unreliable indicator of acute stress.

Pacing behaviour, the most frequent stereotypic behaviour displayed by laboratory rhesus macaques (Macaca mulatta) is often used as an indicator of stress. In this study, we investigated how reliable this welfare indicator is at detecting acute stress by testing the reaction of macaques to the stressful event of being exposed to an agonistic interaction between conspecifics housed in the same room but in a different cage. Pacing, agitated locomotion, and stress-related displacement behaviours were quantified before, during and after agonistic interaction exposure, based on video recordings of 13 socially-housed macaques in their home cage. Displacement behaviours increased after agonistic interaction exposure, confirming that the events were experienced as stressful by the focal individuals. The occurrence of pacing did not increase during or after the agonistic interactions. Instead, agitated locomotion increased during the agonistic interactions. These results suggest either, that pacing as an indicator of acute stress is prone to false negative results, increasing in some stressful situations but not others, or that agitated locomotion has been mistaken for pacing in previous studies and that pacing is in fact unrelated to current acute stress. Both interpretations lead to the conclusion that pacing is unreliable as an indicator of acute stress in laboratory rhesus macaques.