Tag Archives: Bangs vaccination

Moosday: Wyoming Heifers

This week’s Moosday photos come courtesy of Heather Hamilton of eastern Wyoming. Recently her family’s ranch vaccinated their heifers with the Bangs vaccinnation. Heather shares details on the process below….

In the western states, and Wyoming in particular, we are required by law to have all replacement heifers bangs vaccinated by one year of age. The bangs vaccination must be administered by a vet, who will also give each heifer a tattoo and a state official bangs tag. The tattoo and tag include a shield and numbers used to locate and identify where the animal originated. A bangs vaccination protects the female from brucellosis. This disease is particularly problematic in Wyoming due to our bison and elk herds, who can give it to cattle.
Most of the photos are of the process. The vet would first give each heifer a shot, then smear the green tattoo paint in the heifer’s right ear with a toothbrush and use a handheld tattooing tool to pierce the skin inside the ear and push the ink into the tattoo. Then he would give each heifer an official bangs ear tag, which is the orange rectangular tag. It is put in the top of the right ear because it’s less likely to be lost in that location.

To see more of Heather’s photography and read her blog check out


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