Crude protein content and "in vitro" digestibility of the dry matter content in the available forage and in the selected diet of bovines in pastures of Brachiaria humidicola (Rendle) Sckweickt, in monoculture or in association with leguminous, at different stocking rates

bovinae bovino brachiaria humidicola cobertura seca contenido de materia seca contenido proteico culture multiple desmodio desmodium ovalifolium diet dieta digestibilidad digestibilidade digestibility dry matter content kudzu monocultivo monocultura monoculture multiple cropping protein content pueraria phaseoloides