- Jun 27, 2010
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I have added 4 pullets to my flock - the resident flock is about one month older than the pullets. Unfortunately, i did not have time to have the incubation period. The hatchery says that the pullets have been vaccinated for Full dose Bi-Valent Mareks Vaccine. Do you think my silkies will be okay? The kids are so worried
Thanks.

Thanks.