Enteric Methane Emission Factors for Cattle in Pastoral Systems: A Case Study in Kenya - Gurmu, Endale Balcha; Kiprotich, Linus; Kagai, Jesse; Solomon, A.; Leitner, Sonja; Marquardt, Svenja; Merbold, Lutz; Ndungu, Phylis; Arndt, Claudia (International Livestock Research Institute, 2025)