The objective of this experiment was to study different levels of energy supplementation on the carcass and meat qualitative characteristics of beef cull cows of different ages, under temporary grazing on cultivated pasture of ryegrass (Lolium multiflorum) plus triticale (X triticosecale). Fourty Charolais cows were divided into four age classes: four, five or six, seven or eight and nine or more years, and randomly alloted to four levels of supplementation (SL): 0, .3, .6 and .9% of live weight. The […]