Accepted Manuscript Title: Mutation of oppF gene in the Mycoplasma synoviae MS-H vaccine strain and its implication for differential serological responses to vaccination versus field challenge Authors: Somayeh Kordafshari, Marc S. Marenda, Denise O’Rourke, Pollob Shil, Amir H. Noormohammadi PII: S0378-1135(18)31084-8 DOI: https://doi.org/10.1016/j.vetmic.2019.02.029 Reference: VETMIC 8233 To appear in: VETMIC Received date: 17 September 2018 Revised date: 19 February 2019 Accepted date: 20 February 2019 Please cite this article as: Kordafshari S, Marenda MS, O’Rourke D, Shil P, Noormohammadi AH, Mutation of oppF gene in the Mycoplasma synoviae MS-H vaccine strain and its implication for differential serological responses to vaccination versus field challenge, Veterinary Microbiology (2019), https://doi.org/10.1016/j.vetmic.2019.02.029 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. 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.