Pilau got his puppy shots and his one year booster then nothing after that.
Most of the shots give much longer immunity, and often lifelong immunity.
One of the reasons vets used to advise for one year is because the drug companies only test to one year. So they can only 'guarantee' a year. I think they may have started testing to three years now. A lot of vets now advise three year boosters.
In reality it is considered likely that for things like Parvo immunity will last 10 years and quite likely offer lifelong protection. Not sure about rabies, but we have very little rabies in this country even amongst the local wildlife. Also I think lepto is only short term immunity also.
I don't yet know what I'll do with Carrot. He'll get his 1 year booster. We may then do three yearly. Have to be a bit careful, as auto-immune conditions are a bit of a problem with his breed. So the risks of over vaccinating come into play more than with some other breeds.
[eta] Science diet is the pits. Most of those really top of the line vet foods are awful. But...the tinned variety of Royal Canin sensitive veterinary food is awesome when your dog has the dire rears. Was like magic.
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