This thematic series comprises papers submitted in relation to the 15th Symposium of the CVBD® World Forum, Cologne, Germany, that was sponsored by Bayer Animal Health.
The article processing charges (APC) for the articles in this series were funded by Bayer Animal Health. All articles in this series have undergone the journal’s standard peer-review process overseen by the Editors, and each article can also be found individually in the journal. The Editors declare no competing interests.