Avaliação de métodos de amostragem qualitativa em pastagens tropicais manejadas em sistema rotacionado

Chemical composition and IVDMD of elephantgrass (Pennisetum purpureum, Schum. cv. Napier) and mombacagrass (Panicum maximum, cv. Mombaca) were evaluated using samples of esophageal extrusa and hand-plucked samples. Greater DM, CP, and non-protein N concentrations were observed in the elephantgrass. Chemical composition of mombacagrass, mainly DM and N concentration, varied with grazing day. Potentially degradable carbohydrate fraction differed between sampling techniques. No differences were observed regarding the kinetics of carbohydrates degradation for both grasses.