revision preference src: Also milk quantity and quality of these animals are not negatively affected by O. viciifolia intake. Various studies showed that the voluntary intake of sainfoin was comparable or even higher than the intake of alfalfa or clover species. <SEP> tgt: Also milk quantity and quality of these animals are not negatively affected by O. viciifolia intake. Furthermore, various studies showed that the voluntary intake of sainfoin was comparable or even higher than the intake of alfalfa or clover species.