Master Guard®

A unique combination of killed and MLV antigens to provide respiratory and reproductive protection for your herd- including pregnant cows.

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Master Guard®

A unique combination of killed and MLV antigens to provide respiratory and reproductive protection for your herd- including pregnant cows.

Cow-calf and dairy producers alike depend on Master Guard® vaccines to protect against common reproductive and respiratory pathogens in pregnant and open cattle.

Master Guard Vaccines:

  • Can be given to cows and heifers at any stage of gestation.
  • Allow the convenience of whole-herd vaccination in cattle five months of age and older.

Efficacy: Proven Defense

  • BVD type 1 and type 2 protection in a killed vaccine 1
  • Killed IBR vaccine provides duration of immunity for at least 196 days 2
  • Proven protection against BRSV and PI3 in modified live virus vaccine fractions 1
  • 5-way Leptospira protection plus hardjo-bovis in Master Guard 10 HB 1

Safety: Protection with no Significant Impact on Production 3

  • Studies show no significant impact on milk production in lactating Holsteins 3
  • Can be used in cows at any stage of gestation or lactation 1
  • May be administered intramuscularly (IM) or subcutaneously (SC) 1

Trust Master Guard brand vaccines to provide the safety you want, and the protection you need against key pathogens.

For all vaccine products: The label contains complete use information, including cautions and warnings. Always read, understand and follow the label and use directions.

  • 1 Master Guard 10 HB, Master Guard 5 Product Labels.
  • 2 Sibbel RL, Bass EP, Thomas PC, How long will a killed IBR vaccine protect against challenge? Vet Med. 1988;83(1):90-92.
  • 3 Elanco Animal Health, Data on File


Master Guard is a trademark of Eli Lilly and Company or its affiliates.