%0 Journal Article %K pain mitigation %K anaesthesia %K Biomarker %B Berliner und Münchener Tierärztliche Wochenschrift %C Hannover %D 2021 %G English %I Schlütersche Fachmedien GmbH %P 1-10 %R 10.2376/1439-0299-2020-38 %T Optimal pain indicators for field trial assessment of analgesic efficacy in piglets undergoing surgical castration %V 134 %8 03/2021