[1]Faculty of Agricultural Sciences Autonomous University of the State of Morelos Cuernavaca Morelos 62210 Mexico;
[2]Bachelors Center of Agriculture Technology No.154 Huitzilac General Directorate of Agricultural Technology Education Morelos 62510 Mexico;
[3]Ministry of Agriculture Livestock Rural Development Fisheries and Food Postgraduate College Montecillos 56230 Mexico;
Trifolium repens; Cynodon nlemfuensis; Pennisetum purpureum; grazing behavior; pasture;