Rx Sustain III – Calf (50) is an oral antibiotic bolus containing sulfamethazine, designed for use in cattle. It is indicated for the treatment of bacterial pneumonia, bovine respiratory disease, and other infections caused by sulfamethazine-sensitive organisms. Sustain III provides sustained release action, offering extended therapeutic levels in a single treatment, which makes it highly convenient for producers managing large herds.

Key Features:

• Oral Antibiotic Bolus: Delivers sulfamethazine directly for systemic infection control.

• Broad-Spectrum Action: Effective against pathogens associated with pneumonia and other bacterial infections in cattle.

• Sustained Release Formula: Provides prolonged therapeutic levels, reducing the need for repeated dosing.

• For Calves & Cattle: Approved for use in livestock under veterinary guidance.

• Veterinarian-Only Use: Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Active Ingredient: Sulfamethazine

Keep away from children and other household pets.
This item is not returnable or refundable.
Sold in Qty. of 50 boluses.