Beef calves get their first round — a 7- or 8-way clostridial and the respiratory vaccines — at branding, 2 to 4 months of age, then two boosters around weaning, 3 to 4 weeks apart.
When, never how much: the dose and the product are your vet’s and the label’s. Your vet’s plan wins.
Your calving date
When is (or was) the calving? Her due date works too.
Calving date
Weaning day (for the boosters)
Example dates, from calving on Monday, March 15, 2027. Pick your date for yours.
When each step falls
Calves, at branding
The first round: a 7- or 8-way clostridial vaccine, and the respiratory vaccines (IBR, BVD, PI3, BRSV) at the same time: at 2 to 4 months of age.
Sat, May 15, 2027 to Thu, Jul 15, 2027
Calves, before weaning
The first booster, when they cannot be boostered at weaning on the ranch: 2 to 4 weeks before weaning.
Pick the weaning day for the date.
Calves, at weaning
The first booster: at or near weaning.
Pick the weaning day for the date.
Calves
The second booster (and the clostridial vaccine’s own booster): 3 to 4 weeks after the first booster.
Pick the weaning day for the date.
Replacement heifers
Vibrio and 5-way leptospirosis, a first shot and a booster: during weaning or before breeding.
Cows (a spring-calving herd)
The cow herd’s vaccines: in the fall, when the cows are gathered for pregnancy testing.
Cows before calving
A scours vaccine: on the days its label gives — the timing matters.
When, never how much: the dose and the product are your vet’s and the label’s. Your vet’s plan wins.
Remembers every animal’s due date and reminds you before each job — the pregnancy check, the pen, the watch. The iPhone app is coming soon to the App Store.
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