Effects of Kikuyu grass (Pennisetum clandestinum) age and different forage: concentrate ratios on methanogenesis Journal title: Revista MVZ Cordoba Authors: John RamÃrez, M.Sc| Universidad de Antioquia, Facultad de Ciencias Agrarias, Grupo de Investigación... Subject(s): Medicine, Agricultural Science, Biotechnology, Cellular Biology, Biomedical Engineering