Trees (2) Ruminants (2) Production (Economic theory) (2) Matter (2) Leaves (2) Fermentation (2) Hojas (2) Estudio (2) Rumiantes (2) Producción (2) Fermentación (2) Materia (2) Árboles (2) production (2) matière (2) Manihot (1) Wealth (1) Valuation (1) Time (1) Shrubs (1) Sheep (1) Rubiaceae (1) Rain forests (1) Plants, Edible (1) Nutrition (1) Mulberry (1) Mixtures (1) Methane (1) Malvaceae (1) Magnesium (1)