Abstract: Feed additive compositions for ruminants containing (A) at least one member selected from the group consisting of hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C.; (B) not less than 0.05 wt % and not more than 6 wt % of lecithin; (C) not less than 30 wt % and less than 65 wt % of a biologically active substance; (D) not less than 0.01 wt % and less than 0.8 wt % of a natural vegetable oil; and not less than 0.1 wt % and less than 6 wt % of water exhibit high protection in the rumen and are also superior in dissolution in the lower gastrointestinal tract.

Abstract: Dispersion type feed additive compositions for ruminants, containing (A) at least one selected from hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C., (B) not less than 0.01 wt % and not more than 6 wt % of a surfactant, (C) not less than 16 wt % and not more than 72 wt % of a biologically active substance (excluding L-lysine and a salt thereof), and (D) not less than 1 wt % and not more than 40 wt % of L-lysine or a salt thereof, contain a biologically active substance at a high concentration, show high protection in the rumen, and are also superior in dissolution in the intestinal tract.

Abstract: Dispersion type feed additive compositions for ruminants, containing (A) at least one selected from hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C., (B) not less than 0.01 wt % and not more than 6 wt % of a surfactant, (C) not less than 16 wt % and not more than 72 wt % of a biologically active substance (excluding L-lysine and a salt thereof), and (D) not less than 1 wt % and not more than 40 wt % of L-lysine or a salt thereof, contain a biologically active substance at a high concentration, show high protection in the rumen, and are also superior in dissolution in the intestinal tract.

Abstract: Feed additive compositions for ruminants containing (A) at least one member selected from the group consisting of hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C.; (B) not less than 0.05 wt % and not more than 6 wt % of lecithin; (C) not less than 30 wt % and less than 65 wt % of a biologically active substance; (D) not less than 0.01 wt % and less than 0.8 wt % of a natural vegetable oil; and not less than 0.1 wt % and less than 6 wt % of water exhibit high protection in the rumen and are also superior in dissolution in the lower gastrointestinal tract.

Abstract: Feed additive compositions for ruminants containing (A) at least one selected from hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C., (B) lecithin, (C) a biologically active substance, (D) a natural vegetable oil, and water, wherein when a scattering profile is measured after maintaining at 40° C. for 15 min, and then measured by further maintaining at 40° C. for 30 min by a small-angle and wide-angle x-ray scattering method, a peak having the maximum peak intensity in a region where the scattering angle 2? is not more than 5° has a ratio (t/s) of 0.9-1.1 wherein s is peak intensity when maintained at 40° C. for 15 min and t is peak intensity when maintained at 40° C. for 45 min, and a peak having the maximum peak intensity in a region where the scattering angle 2? is 17°-23° has a ratio (y/x) of 0.7-0.9 wherein x is peak intensity when maintained at 40° C. for 15 min and y is peak intensity when maintained at 40° C.

Abstract: Feed additive compositions for ruminants containing (A) at least one member selected from the group consisting of hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C.; (B) not less than 0.05 wt % and not more than 6 wt % of lecithin; (C) not less than 30 wt % and less than 65 wt % of a biologically active substance; (D) not less than 0.01 wt % and less than 0.8 wt % of a natural vegetable oil; and not less than 0.1 wt % and less than 6 wt % of water exhibit high protection in the rumen and are also superior in dissolution in the lower gastrointestinal tract.

Abstract: Dispersion type feed additive compositions for ruminants, containing (A) at least one selected from hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C., (B) not less than 0.01 wt % and not more than 6 wt % of a surfactant, (C) not less than 16 wt % and not more than 72 wt % of a biologically active substance (excluding L-lysine and a salt thereof), and (D) not less than 1 wt % and not more than 40 wt % of L-lysine or a salt thereof, contain a biologically active substance at a high concentration, show high protection in the rumen, and are also superior in dissolution in the intestinal tract.

Abstract: Feed additive compositions for ruminants containing (A) at least one member selected from the group consisting of hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C.; (B) not less than 0.05 wt % and not more than 6 wt % of lecithin; (C) not less than 30 wt % and less than 65 wt % of a biologically active substance; (D) not less than 0.01 wt % and less than 0.8 wt % of a natural vegetable oil; and not less than 0.1 wt % and less than 6 wt % of water exhibit high protection in the rumen and are also superior in dissolution in the lower gastrointestinal tract.

Abstract: Feed additive compositions for ruminants containing (A) at least one selected from hydrogenated vegetable oil and hydrogenated animal oil each having a melting point of higher than 50° C. and lower than 90° C., (B) lecithin, (C) a biologically active substance, (D) a natural vegetable oil, and water, wherein when a scattering profile is measured after maintaining at 40° C. for 15 min, and then measured by further maintaining at 40° C. for 30 min by a small-angle and wide-angle x-ray scattering method, a peak having the maximum peak intensity in a region where the scattering angle 2? is not more than 5° has a ratio (t/s) of 0.9-1.1 wherein s is peak intensity when maintained at 40° C. for 15 min and t is peak intensity when maintained at 40° C. for 45 min, and a peak having the maximum peak intensity in a region where the scattering angle 2? is 17°-23° has a ratio (y/x) of 0.7-0.9 wherein x is peak intensity when maintained at 40° C. for 15 min and y is peak intensity when maintained at 40° C.