Univ. Hohenheim/Univ. Nanjing/Univ. Gansu/Univ. Ulanbator
Sustainable Bioeconomy, Waste to worth, Quality & safe feed production, Livestock-environment interaction, Greenhouse gas mitigation from livestock, Novel feed resources, Plant bioactive compounds & business development, Food loss & waste- business development. Provided consultancies to Agric. Ministries, FAO, IAEA, ILRI, ICARDA, EU, EFSA, GIZ, VSF, IGAD, CIAT, CRS, USAID, Private Industries >350 publications, 8 books & 4 patents. Citations: > 30000. Editorial Board member of Journals