... regression equations were developed for correction of ME values estimated in the previous in vivo experiments using INRA equations. Key words: sheep, dairy cow, lai Sind bull, digestibility, metabolisable ... that the digestibility of DM, OM, CP and NDF in most of the samples determined on sheep was significantly lower than that determined on the dairy cow and lai Sind bull except for samples of 35, ... species on digestibility and nutritive value of some roughages as feed for the ruminant In vivo digestibility and metabolisable energy of seven roughage samples including urea treated rice straw,...