Annual and seasonal variation in nutritive quality and ruminal fermentation patterns of diets in steers
grazing native rangelands
Manuel Murillo Ortiz*, Osvaldo Reyes Estrada, Esperanza Herrera Torres, José H. Martínez Guerrero and Guadalupe M. Villareal Rodriguez
Faculty of Veterinary Medicine, Juárez University of the State of Durango, Castaña 106, Fraccionamiento:
Nogales, CP: 34162, Durango, Dgo, México.
Email: [email protected]