The effect of intraruminal doses (16.8, 33.5 and 50.3 mmol day-1) of D.L-methionine, methionine hydroxy analogue (2-hydroxy-4-(methylthio)-butanoic acid calcium salt) and N -stearoyl-D, L-methionine on the flow of methionine (free and protein bound) and its derivatives into the ...