We have measured maternal antibody decay, but natural infection occurs before we can vaccinate pigs. Why?
A Generally speaking, the more pigs carrying an infectious agent, the faster it will spread to SIV-nanve pigs. The goal is to reduce the amount of circulating SIV in the nursery at the time of antibody decay. You can do this by improving sow vaccination. If the sow herd is already well vaccinated, it would be wise to characterize the SIV isolate to see if it’s different than the one in the vaccine.
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- We have measured maternal antibody decay, but natural infection occurs before we can vaccinate pigs. Why?
