EACH BOLUS CONTAINS: Sulfamethazine (formulated in a sustained release base), 495 grains (32.1 grams).

Sustain III Boluses (sulfamethazine) are intended for oral administration to beef cattle and non-lactating dairy cattle (See RESIDUE WARNING Statement). Sustain III Boluses are indicated for the treatment of the following diseases when caused by one or more of the following pathogenic organisms sensitive to sulfamethazine: Bacterial Pneumonia and Bovine Respiratory Disease Complex (Shipping Fever Complex) (Pasteurella spp.), Colibacillosis (Bacterial Scours) (E. coli), Necrotic pododermatitis (Foot rot), Calf Diphtheria (Fusobacterium necrophorum), Acute Metritis (Streptococcus spp.).

DOSAGE AND ADMINISTRATION: Sustain III Boluses (sulfamethazine) are designed to be administered orally to beef cattle and non-lactating dairy cattle (See RESIDUE WARNING Statement).