Welcome to the BSAVA science webinar series – taking a closer look at some of the papers published in the Journal of Small Animal Practice (JSAP). In this webinar, Luisa Dormer (Scientific Editor at the BSAVA) and Nicola Di Girolamo (Editor-in-Chief of JSAP) are joined by Kieran Borgeat to discuss his paper Long-term biological variability and the generation of a new reference interval for plasma N-terminal pro-B-type natriuretic peptide in Labrador retrievers. This webinar outlines the research and discusses the practical application of this measurement in clinical practice.