I just talked to the poultry lab and they told me that they were carriers but not contageous and I don't totally understand that. The doctor also said mereks is everywhere and there are different strains some worse than others.
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I'll go back into my documents and find the source for you. The vaccine doesn't prevent the birds from contracting Marek's...it simply prevents them from developing the tumors caused by the disease. Vaccinated birds do not shed the disease...only non-vaccinated Marek's infected birds shed it.
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I'll go back into my documents and find the source for you. The vaccine doesn't prevent the birds from contracting Marek's...it simply prevents them from developing the tumors caused by the disease. Vaccinated birds do not shed the disease...only non-vaccinated Marek's infected birds shed it.