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This page contains information on Somubac for veterinary use.
The information provided typically includes the following:
  • Somubac Indications
  • Warnings and cautions for Somubac
  • Direction and dosage information for Somubac


This treatment applies to the following species:
Company: Zoetis

Haemophilus Somnus Bacterin

For veterinary use only

This product has been shown to be effective for the vaccination of healthy cattle against respiratory disease caused by Haemophilus somnus. Duration of immunity has not been established. For more information regarding efficacy and safety data, see

Directions For Use

Mix well. Administer a single 2-mL dose subcutaneously, followed by a second dose 2-4 weeks later. In accordance with Beef Quality Assurance guidelines, this product should be administered SC under the skin. For information on revaccination, contact your veterinarian.


Store at 2°-8°C. Do not freeze. Use entire contents when first opened. Sterilized syringes and needles should be used to administer this vaccine. Do not vaccinate within 21 days before slaughter. Contains thimerosal as preservative. This product has not been tested in pregnant animals. As with many vaccines, anaphylaxis may occur after use. Initial antidote of epinephrine is recommended and should be followed with appropriate supportive therapy. Do not mix with other products. In case of human exposure, contact a physician.

Technical inquiries: (888) 963-8471.

VLN 190/PCN 2659.00

Zoetis Inc., Kalamazoo, MI 49007, USA

10 doses

20 mL


50 doses

100 mL


CPN: 3690022.3

Telephone:   269-359-4414
Customer Service:   888-963-8471
THIS SERVICE AND DATA ARE PROVIDED "AS IS". DVMetrics assumes no liability, and each user assumes full risk, responsibility, and liability, related to its use of the DVMetrics service and data. See the Terms of Use for further details.

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