NADA# 128-620 No Milk Withdrawal for Dairy Cattle. Safe-guard® Suspension by Intervet is for the removal and control of lungworm, stomach and intestinal worms in beef and dairy cattle plus goats. Directions/Dosage: Recommended dose of 5 mg/kg is achieved when 2.3 mL per 100 lbs. of body weight. Administer orally. Cattle must not be slaughtered within 8 days following last treatment. For dairy cattle, there is no milk withdrawal period. Contents: 1 Gallon