Routine milk records reveal novel two-way interactions shaping ketosis risk in German dairy cows - Franziska Gheronte; Martina Hoedemaker; Kerstin-Elisabeth Müller; Gabriela Knubben-Schweizer; Roswitha Merle; Dörte Döpfer; Nora Mansfeld; Yury Zablotski (PLoS ONE, 2026)