First In Vivo Measurements of Methane Emissions from Ruminant Livestock Enteric Fermentation in Mexico Using Respiration Chambers

Octavio Alonso Castelan-Ortega1, Juan Carlos Ku-Vera2, Luisa T Molina3, Paulina E Pedraza-Beltrán1, Jorge R Canul-Solis2, Angel Piñeiro-Vázquez2, Gloria Hernández-Pineda1 and Mohamed Benaouda1, (1)Autonomous University of Mexico State - UAEM, Toluca, Mexico, (2)Universidad Autónoma de Yucatán, Faculty of Veterinary Medicine and Animal Husbandry, Mérida, Mexico, (3)Molina Center for Strategic Studies in Energy, La Jolla, CA, United States