Acknowledgement
We gratefully acknowledge the manufacturing of the pellets and the granulate by the Institute for Animal Nutrition, University of Veterinary Medicine Hannover Foundation and the Institute for Particle Technology (iPAT), TU Braunschweig. Furthermore, we thank I. Ruddat and L. Kreienbrock (Department of Biometry, Epidemiology and Information Processing, University of Veterinary Medicine Hannover Foundation) for statistical data analysis.
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