Vaccinating my hens

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QueenMisha said:
I wouldn't recommend it. It's not gonna hurt them (their bodies will basically ignore it) but it's not going to have any effect at this age either so it's essentially a waste of good money.
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Please explain how their bodies will basically ignore it? Like i said, the age dosen't matter. It just matters that they haven't been exposed to it.
 
QueenMisha said:
Trust me. The age absolutely matters. Any reputable source will tell you that. Unless there's new science I'm unaware of, that's always been the way it works.
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Can you explain it to me or give me a source that tells me that? Everywhere I have read, it says that the age doesn't matter unless they have been exposed to the virus. The vaccine will be ineffective if the bird has already been exposed to the virus, so you shouldn't vaccinate 5 year old birds, but mine are only 6 months old and they have never been exposed to the virus.
 
I agree with QM - google "chicken vaccination schedules" and you will find that almost without exception, Marek's = Day 1. To be honest, if you feel so strongly about the issue, then why not go ahead and vaccinate?
 
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I know, but my question is will the vaccine still work if they are older and if not, why?
 

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