522.2260—Sulfamethazine.
(d) Conditions of use in cattle—
(1) Amount.
20 milliliters for each 50 pounds of body weight (100 milligrams per pound) initially; 20 milliliters per 100 pounds of body weight (50 milligrams per pound) daily, thereafter.
(2) Indications for use.
For cattle for treatment of bacterial pneumonia and bovine respiratory disease complex (shipping fever complex) (Pasteurella spp.), colibacillosis (bacterial scours) (Escherichia coli ), necrotic pododermatitis (foot rot) (Fusobacterium necrophorum ), calf diphtheria (Fusobacterium necrophorum ), acute mastitis and acute metritis (Streptococcus spp.) when caused by one or more pathogenic organisms sensitive to sulfamethazine.
(3) Limitations.
For intravenous use only. Not for use in lactating dairy animals. Withdraw medication from cattle 10 days prior to slaughter for food. If symptoms persist for 2 or 3 days, consult a veterinarian. Adequate water intake is important for animals treated with sulfonamides. Treatment should continue 24 to 48 hours beyond the remission of disease symptoms, but not to exceed a total of 5 consecutive days.