in grass-clover silage, obtained by extending the pre-wilting period before ensiling, on the
amount of metabolisable protein (MP) supplied to lactating dairy cows. Spring growth and
first regrowth of grass-clover swards grown by two Danish organic farmers were cut and pre-
wilted to a planned DM concentration of 350 and 700 g/kg, respectively, giving in total eight
silages with DM concentrations ranging from 283 to 725 g/kg. Four Holstein dairy cows in …