Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (PZ00P3_148200)
University di Torino (System S.p.A.)
Received: 29 October 2018
Accepted: 11 June 2019
First Online: 10 July 2019
Ethics approval and consent to participate
: Animal care and all experimental procedures were conducted in accordance with the Association for the Study of Animal Behaviour guidelines [CitationRef removed]. The study was approved by the Animal Welfare and Ethical Review Board of Queen Mary University of London (001/2016AWERBqmul). The tests were non-invasive and none of the goats displayed any sign of stress during the experiment.
: Not applicable.
: The authors declare that they have no competing interests.