(Vets Plus) Probios Bovine One Gel for Ruminants provides a source of beneficial bacteria for cows, calves, sheep, and goats. Probios Gel contains a source of live (viable) naturally occurring microorganisms. Dosage for beef and dairy cattle: 5 gm for newborns, 10 gm for calves under 400 lbs., 15 gm for cattle over 400 lbs., 30 gm for dairy cows at freshening. Dosage for sheep and goats: 5 gm at birth. Repeat as needed, particularly during times of stress. Dosing gun is required for administration of 300 gm size.