Meine Hündinnen werden bei geplanter Trächtigkeit vorher geimpft, DAMIT sie einen AK-Titer haben und AK an ihre Welpen weiter geben. So, dass auch diese geschützt sind.
"Although it has been assumed that revaccination prior to pregnancy will boost the antibody level in the bitch so that she can transfer a higher level of the MDA to the pup, revaccination, especially with infectious/MLV vaccines, often provides no increase (boost) in her antibody because her existing antibody neutralizes the vaccine at time of injection, so it does not infect or cause an immune response, which is what is required to provide immunity and to increase the antibody level."
(WASAVA Owner Breeder Guidelines 14 October 2015 FINAL)
Weiter heißt es:
"Almost all bitches, when revaccinated routinely every 3 or more years, will have an optimal maintenance level of antibody to the specific core virus they can develop.
There is always a small percentage of bitches that will have very low antibody titres to one or more of the core viruses, and there will be a small percentage that will have very high titres to a specific pathogen, regardless of how often they are vaccinated (due to the genetics of their immune system).
Because the responses are virus (antigen) specific..."