- Dec 10, 2012
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Doesn't seem cost effective to inoculate a smaller flock. If it was over 100 with new birds in often then yes, that'd be the route I go. But our flock is small in comparison to other breeders & we rarely get new birds in. Anyways. Which is the vaccination that can cause bird to test positive (for the disease inoculated against) and causes the disease to spread to non-inoculated birds (at a show, or similar)?