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. 2016 Jan 11;47:17. doi: 10.1186/s13567-015-0293-x

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© Sinn et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Antibody response to PRRSV infection. ELISA IDEXX X3 results as a ratio of the optical density (OD) of the sample and the OD of the positive control for infected groups at −7, 7, 10 and 13 dpi. Values over the cut-off at 0.4 (dotted line) were regarded as positive. Whiskers represent maximum and minimum values.