Journal Pre-proof Effect of sampling time and surveillance strategy on the time to onset and magnitude of piscirickettsiosis (Piscirikettsia salmonis) outbreaks in Chilean farmed Atlantic salmon Derek Price, Emilie Laurin, Fernando O. Mardones, Daniel Jimenez, Marcela Lara, Ian Gardner PII: S0044-8486(20)31018-8 DOI: https://doi.org/10.1016/j.aquaculture.2020.735739 Reference: AQUA 735739 To appear in: Aquaculture Received date: 31 March 2020 Revised date: 1 July 2020 Accepted date: 18 July 2020 Please cite this article as: D. Price, E. Laurin, F.O. Mardones, et al., Effect of sampling time and surveillance strategy on the time to onset and magnitude of piscirickettsiosis (Piscirikettsia salmonis) outbreaks in Chilean farmed Atlantic salmon, Aquaculture (2020), https://doi.org/10.1016/j.aquaculture.2020.735739 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.