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Merck Bovilis® Nasalgen® 3 (25x1 Dose)



Bovine Rhinotracheitis-Parainfluenza 3-Respiratory Syncytial Virus Vaccine

The color of longer IBR protection.

BOVILIS® NASALGEN® 3 offers young calves an unrivaled BRD defense. With 195 days of IBR protection plus BRSV and PI3, BOVILIS NASALGEN 3 is the insurance you need to give your young calves the strong foundation they deserve. And with a unique BluShadow®, there’s no second guessing which animals have been vaccinated.


This product has been shown to be effective for the vaccination of healthy cattle, 1 week of age or older against infectious bovine rhinotracheitis (IBR) virus, bovine respiratory syncytial virus (BRSV) and parainfluenza 3 virus (PI3). Duration of immunity against IBR is at least 195 days, against BRSV is at least 78 days, and against PI3 is at least 95 days.


  • Infectious bovine rhinotracheitis (IBR)
  • Bovine respiratory syncytial virus (BRSV)
  • Parainfluenze 3 (PI3)

Key Benefits

  • Designed with an IBR that is not temperature-sensitive, ensuring the vaccine will replicate and protect in any situation.1
  • Unique BluShadow® for confident administration.
  • Proven safe in pregnant cows and in calves nursing pregnant cows.

Long-lasting Duration of Immunity

  • 195 days against IBR
  • 95 days against PI3
  • 78 days against BRSV

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