ACKNOWLEDGMENTS
We are grateful to Dr. Hideyuki Takahashi, Dr. Tomio Ibayashi, and Dr. Yasuyuki Mori for valuable advice and discussions. This work was supported by Grants-in-Aid for Scientific Research from the Japan Society for the Promotion of Science, by Research Project for Improving Animal Disease Prevention Technologies to Combat Antimicrobial Resistance 2017–2021 FY of the Ministry of Agriculture, Forestry and Fisheries of Japan, and by grants from the Project of the NARO, Bio-oriented Technology Research Advancement Institution (Research Program on Development of Innovative Technology 26058 BC [to S.K.] and Special Scheme Project on Regional Developing Strategy, Grant 16817557 [to S.K.]). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. We thank Enago (www.enago.jp) for the English language review.