Vets Plus - Contains a source of live viable, naturally occuring microorganisms. Administer orally on back of tongue as needed. Newborns: 5 gm; vealers, beef cattle under 400 lb-10 gm; over 400 lb-15 gm; newborn lambs-5 gm; dairy cows 30gm at freshening; post-antibiotic therapy and surgery-15 gm for beef and dairy.