Tomorrow we are getting our three chicks from the feed store. They are Marek's vaccinated. Due to an unforeseen disaster, we lost one chicken, and would like to get two more chicks to keep the flock the same size. We found some chicks we could get today, but they are not vaccinated for Mareks. Would combining the non vaccinated and vaccinated chicks cause a problem?
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4/6/16 at 1:45pm