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Prime Pac PRRS RR (Canada)

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

Prime Pac PRRS RR

This treatment applies to the following species:
Company: Merck Animal Health

PORCINE REPRODUCTIVE & RESPIRATORY SYNDROME VACCINE, Reproductive and Respiratory Form, Modified Live Virus

This product has been shown to be effective for the vaccination of healthy swine 3 weeks of age or older against respiratory disease caused by Porcine Reproductive and Respiratory Syndrome (PRRS) virus and for the vaccination of breeding age female against reproductive disease caused by PRRS virus. Duration of Immunity against reproductive disease is at least 20 weeks; duration of immunity against respiratory disease has not been established.

To review efficacy and safety data, go to

ADMINISTRATION/DOSAGE: Sows and gilts: Inject a single 1 mL dose intramuscularly (IM) 8 weeks prior to breeding. Piglets: Inject a single 1 mL dose IM at 3 weeks of age or older. For advice on re-vaccination frequency, contact your veterinarian.


1. Do not rehydrate the vaccine until ready for use.

2. Mix only one set of vials at a time and use entire contents promptly after rehydration.

3. Using a sterile transfer needle, transfer the entire contents of sterile diluent into the bottle of freeze dried vaccine and shake the combined vaccine and diluent to suspend evenly. The vaccine is now ready for use.

Prime Pac PRRS RR Caution

Vaccine virus can shed and be transmitted to other populations of swine in direct or indirect contact with vaccinated swine. The duration of potential vaccine virus transmission may vary. Non-vaccinated pigs in contact with modified live PRRS-vaccinated pigs may seroconvert to vaccine virus. Use of the vaccine in herds intended to remain PRRS virus seronegative is contraindicated.

Introduction of vaccinated pigs into herds intended to remain PRRS virus seronegative is contraindicated.

Store at 2° to 8°C (35° to 46°F). Use aseptic technique and only sterile needles and syringes to inject the vaccine. Use entire contents when first opened. Do not mix with other products. Dispose of containers and all unused vaccine according to local biohazardous waste disposal regulations. Do not vaccinate within 21 days before slaughter. Not for use in pregnant sows or boars. If allergic response occurs, administer epinephrine. In case of human exposure, contact a physician.



Intervet Inc. d/b/a Merck Animal Health, Omaha, Nebraska 68103 USA

VLN 165A/PCN 19T1.21

1 866 683-7838 (Canada)




20 Doses

Rehydrate to 20 mL



100 Doses

Rehydrate to 100 mL



CPN: 1208314.0

Intervet Canada Corp.

Order Desk:   514-428-7013
Toll-Free:   866-683-7838
Fax:   Toll-free 888-498-4444; local 514-428-7014
Every effort has been made to ensure the accuracy of the Prime Pac PRRS RR information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the Canadian product label or package insert.

Copyright © 2020 Animalytix LLC. Updated: 2020-10-21