1) Zähner et al., 2017
2) 44 % mean value, 78 % maximum value; data source: ANECO, results report number: 70198-001 of May 2, 2024; 44 % less ammonia according to Monteny Milieu Advies, August 2021: Model-based assessment of the reduction potential for NH3-emission of the innovative solid floor KRAIBURG – profiKURA 3D, based on, among others, Zähner et al., 2017