PerformaNat attended the World Buiatric Congress (WBC) in June in Dublin. Katharina Schrapers presented data from a feeding study with a focus on ruminal pH measurements in lactating dairy cows (Katharina T. Schrapers, Hannah S. Braun, Julia Rosendahl, Katrin Mahlkow-Nerge, Ulrich Meyer, Friederike Stumpff: A study of a bolus system for continuous monitoring of ruminal pH in dairy cows under physiological conditions).