141) Meier, C.; Lücker, E.; Holleben, K.v. (2016): Killing of ‘surplus’ piglets – ethical questions, possible methods. Paper presented at the European Congress of Animal Welfare and Behavioural Medicine, 20-22 October 2016, Cascais, Portugal; Book of abstracts edited by Heath, S.; McCulloch, S.; Jacinto, D. & da Graca Pereira, G., ISBN 978-989-99711-0-3, 96;