Penicillin G procaine and novobiocin sodium for treatment in dry cows only of subclinical mastitis. Use 1 tube for each quarter at start of dry period, but not less than 30 days before calving. Do not use milk the first 72 hrs after calving. 30-day slaughter withdrawal.
Unique synergistic effect of penicillin and novobiocin eliminates single-antibiotic failures, reduces chance of resistance.
Bactericidal activity against major Staphylococcus and Streptococcus mastitis pathogens.
Ideal duration of activity for control during the involution phase of the dry cow period, before the keratin plug forms (2-3 weeks after milking stops), leaving the door open to pathogens.
For udder instillation in dry cows only. Hold milk 72 hours after calving. Do not use meat from treated cows for 30 days.
Contents of 1 syringe instilled into each quarter.