NADA Number: 065-481

Proprietary Name Chlortetracycline Pneumonia
Calf Scour Boluses
Sponsor Boehringer Ingelheim Vetmedica, Inc.
Sponsor Address 2621 North Belt Highway
St.Joseph, MO    64502
USA
Ingredients Chlortetracycline Hydrochloride
Species Cattle, calves
Routes of Administration Per Os
Dose Form Bolus
Drug Form Bolus
Dispensing Status OTC
Dosage Amount,
Indications
& Limitations

520.445c Chlortetracycline tablets and boluses.

Specifications: Each tablet or bolus contains 250-milligram of chlortetracycline hydrochloride.

Conditions of use:

Cattle (calves)

Amount: 1 bolus (250 milligrams) per 50 pounds of body weight twice daily for 3 to 5 days.

Indications: Treatment of bacterial enteritis (scours) caused by E. coli and bacterial pneumonia associated with Pasteurella species, Klebsiella species and Hemophilus species.

Limitations: Administer bolus directly by mouth or crush and dissolve in milk or water for drenching or bucket feeding. If no improvement is noted after 3 days of treatment, consult a veterinarian. Do not use for more than 5 days. Do not administer within 24 hours of slaughter.

NAS/NRC status: The conditions of use NAS/NRC reviewed and found effective. Applications for these uses need not include effectiveness data as specified in 514.111 of this chapter but may require bioequivalency and safety information.

Tolerances

Tolerances are established for the sum of tetracycline residues in tissues of beef cattle, nonlactating dairy cows, calves, swine, sheep, chickens, turkeys, and duck or 2 parts per million in muscle, 6 parts per million in liver, and 12 parts per million in fat and kidney.

A tolerance is established for residues of chlortetracycline in eggs of 0.4 part per million.