Protocol for a Tier 2 approach to generate context-specific enteric methane emission factors (EF) for small ruminants’ production systems based on IPCC method - Korir, Daniel; Balcha, Endale; Wilkes, A.; Poole, Elizabeth J.; Marquardt, S.; Ndung’u, P.; Onyango, A.A.; Merbold, L.; del Prado, A.; Pardo, G.; Wisser, D.; Lanzoni, L.; et al. (International Livestock Research Institute, 2024)