1. Ruminant Nutrition and Emissions, Agroscope, Posieux, Switzerland
2. Swine Research Group, Agroscope, Posieux, Switzerland
3. Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
4. HoLMiR – Hohenheim Center for Livestok Microbiome Research, University of Hohenheim, Stuttgart, Germany
5. Institute of Animal Nutrition and Dietetics, Vetsuisse-Faculty, University of Zurich, Zurich, Switzerland