Active-substance preparation for oral administration, especially to ruminants

摘要: A dosage form for administering physiologically active substances to animals, especially ruminant animals. The unit includes a core which contains the substance and coating. coating has selected areas are thinner than average thickness of and/or predetermined rupture sites. These thin or sites constructed arranged so as detach under conditions present after oral administration form. As result, delayed release physiologically-active is accelerated. For example, may be formulated not affected in first stomach but rapidly disintegrate animal's second stomach.