Merial J-VAC® Cattle Coliform Mastitis Vaccine

J-VAC® vaccine is a broad-spectrum bacterin-toxoid that protects against coliform mastitis caused by Escherichia coli and the effects of endotoxemia caused by E. coli and Salmonella Typhimurium.

It is approved for a whole-herd protocol and can be used for lactating cows, heifers or dry cows.

Features & Benefits

Whole-Herd Protection

J-VAC® vaccine is the only vaccine of its kind approved for usage in the whole herd. In just two doses, J-VAC vaccine protects against coliform mastitis caused by E. coli and endotoxemia caused by E. coli and Salmonella Typhimurium. The unique TANDEM™ adjuvant in J-VAC vaccine keeps antigens in suspension, releases them over time, and stimulates enhanced immunity.

Flexible Administration

• J-VAC vaccine is easy to administer with a whole herd, two-dose protocol, and can reduce the incidence of clinical coliform mastitis cases by 81%.* 
• Labeled for flexible administration, with intramuscular and subcutaneous injection-route options.

*Data on file at Boehringer Ingelheim

Dosage & Administration

Administration 

• For vaccination against coliform mastitis, inject one 2 mL dose intramuscularly or subcutaneously at seven months of gestation or at dry-off. Revaccinate one to three weeks before calving. Approved for whole-herd use.

Timing 

• For vaccination against the effects of endotoxemia, whole-herd vaccination may be done at any time. Vaccinate with one 2 mL dose followed by a second 2 mL dose two to four weeks later.