Equivalent to 500 mg ceftiofur per 10 ml syringe.
Indicated for the treatment of subclinical mastitis associated with Staphylococcus aureus, Streptococcus dysgalactiae and Streptococcus uberis in dairy cattle at the time of dry off.
Requires a 30-day dry cow period; has a 16-day pre-slaughter withdrawal period following last treatment.
- Zero milk discard after calving following a 30-day dry cow period, so you can get them back in the milking string faster
- One of the shortest meat withdrawal periods, helping to maximize your management options
- Overall flexibility in milk and cattle management decisions
Residue Free Guarantee Program: If you use a Zoetis-branded ceftiofur product according to label indications, and experience a violative ceftiofur milk or meat residue, Zoetis will compensate you for the beef market value of the animal or purchase the tanker of milk at fair market value. To qualify, you must purchase the product from a Zoetis-approved supplier, use the product according to label directions, have documentation of the product purchase and treatment records. Extra-label use as prescribed by a veterinarian is excluded from the guarantee.
Spectramast DC Suspension Rx
Provides a broad-spectrum label to treat the most common bacterial pathogens found in dry cows
Equivalent to 500 mg ceftiofur per 10 ml syringe. Indicated for the treatment of subclinical mastitis associated with Staphylococcus aureus, Strept… Read More Read More
Features & Benefits
- Up to 50% of new udder infections caused by environmental streptococci occurred during the dry period in a seven-year study*
Equivalent to 500 mg ceftiofur per 10 ml syringe.
Indicated for the treatment of subclinical mastitis associated with Staphylococcus aureus, Streptococcus dysgalactiae and Streptococcus uberis in dairy cattle at the time of dry off.
Requires a 30-day dry cow period; has a 16-day pre-slaughter withdrawal period following last treatment.
- Zero milk discard after calving following a 30-day dry cow period, so you can get them back in the milking string faster
- One of the shortest meat withdrawal periods, helping to maximize your management options
- Overall flexibility in milk and cattle management decisions
Residue Free Guarantee Program: If you use a Zoetis-branded ceftiofur product according to label indications, and experience a violative ceftiofur milk or meat residue, Zoetis will compensate you for the beef market value of the animal or purchase the tanker of milk at fair market value. To qualify, you must purchase the product from a Zoetis-approved supplier, use the product according to label directions, have documentation of the product purchase and treatment records. Extra-label use as prescribed by a veterinarian is excluded from the guarantee.

How to Order Prescriptions from PBS Animal Health
Read more about the Smart, Simple and Safe Animal Pharmacy You Need
Our Pharmacy Service is available in these states:

- Connecticut
- Florida
- Iowa
- Illinois
- Indiana
- Kentucky
- Michigan
- Minnesota
- New Hampshire
- New York
- Ohio
- Pennsylvania
- Tennessee
- Vermont
- Wisconsin
- West Virginia
1. Place your order online and our pharmacist will contact your veterinarian.
During the checkout process, we will collect your veterinarian and animal information. Our pharmacist will contact your veterinarian to obtain a prescription. We will ship your non-prescription items immediately. Prescription orders will be held up to 3 business days awaiting approval from your vet.
2. Ask your Veterinarian to submit your prescription by one of the following methods.
- Call our Pharmacy at +1 (800) 835-7451 or
- Fax the prescription to our Pharmacy at 330-830-2764
- Please call us at 800-321-0235 to place your order once you've confirmed your vet has submitted your prescription.
Pharmacy Hours
Monday-Friday 9am-5pm
Saturday 9am-Noon
Your Prescription Order is very important and you can be assured that as soon as we have your prescription(s) on file, along with your order, we will ship your order promptly!
Your satisfaction is TOP PRIORITY!
State Law prohibits the return of items purchased with a prescription.
OHIO STATE BOARD OF PHARMACY:
WHOLESALE DISTRIBUTOR LICENSE
#01-0012050
TERMINAL DISTRIBUTOR LICENSE
#02-1298300
Pharmacy is licensed as Matthews Veterinary Pharmacy.

Questions? Please contact us at email@pbsanimalhealth.com or call us at +1 (800) 321-0235. We are here to help and want you to get what you need, when you need it!
Effective as of 1/30/23
Customer Care Center Hours:
Monday - Friday 7am-6pm ET
Holidays excluded
Fax 24/7: 330-830-2762