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Originally Posted by Ladymom   At six weeks puppies still have antibodies from nursing that block the effectiveness of vaccinations. They shouldn't get their first vaccinations until 9 or 10 weeks. The last round must be around 18-20 weeks for full immunity. In one study of a cross section of different puppies the age at which they were able to respond to a vaccine and develop protection covered a wide period of time. At six weeks of age, 25% of the puppies could be immunized. At 9 weeks of age, 40% of the puppies were able to respond to the vaccine. The number increased to 60% by 16 weeks, and by 18 weeks of age, 95% of the puppies could be immunized.
Mary is right. Breeders who give vaccinations at six weeks are setting puppies up for parvo. Parvovirus: Serious Diarrhea in Puppies & Dogs |
I have a question, and it may be already answered as I have not finished reading the rest of the posts, but why then do some vets recommed that a puppy get vacinated at 6 weeks, I have asked several vet offices and university's and they have all recommeded that the puppies get their first round at 6 weeks. I don't understand, how a Vet would say 6 weeks and a breeder 8 wks...
