BackYard Chickens › BYC Forum › Raising BackYard Chickens › Emergencies / Diseases / Injuries and Cures › Question about chickens vaccinated with Mareks and their naturally hatched offspring - to vaccinate or not
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Question about chickens vaccinated with Mareks and their naturally hatched offspring - to vaccinate or not

post #1 of 4
Thread Starter 

If you receive baby chicks that are vaccinated with the Marek's vaccine and they grow up to hatch their own chicks, will the chicks receive immunity inherited from their vaccinated parents, or should they be removed, vaccinated, and quarantined?   Thanks

post #2 of 4

I don't know a huge amount about Marek's, but I have done a lot of reading about the subject recently, and one thing I am pretty certain about is that a vaccination will help to protect the bird that is injected, but does not pass any immunity on to chicks.

 

If you want to vaccinate your chicks then it is worth knowing that you can only buy the vaccine in bottles of 100 doses, and that once activated for use the vaccine has to be used up within a couple of hours.  If you are vaccinating a broody hatch then you will be throwing away the majority of the vaccine, but you may still consider it worth doing in order to provide immunity to your birds. 

 

I am not certain about taking the chicks away from the broody hen to quarantine them - that seems rather cruel, as she will be in full mothering mode, and will not understand what has happened to her chicks.  Marek's is spread through chicken dander, and so if your chicks  hatch under the broody they will almost immediately be exposed.  In addition, unless you practice extreme bio-security on your property you can be certain that there is chicken dander pretty much everywhere already - either blown by the wind or carried around on your clothes / shoes etc. so quarantine may not be as useful as you think.  I am considering vaccinating my broody hatched chicks this summer, but I shall leave them with their mother and let nature take its course.

 

Started out with 3 birds. Currently at 13 pullets and 2 roos

- chicken maths is definitely getting the better of me!

 

Member of the Derperella Club - we're all just going round the rooster here.

 

RIP Blackie (the best hen ever), Rusty (too curious once too often) and Cinders (my grey girl)

 

 

Reply
 

Started out with 3 birds. Currently at 13 pullets and 2 roos

- chicken maths is definitely getting the better of me!

 

Member of the Derperella Club - we're all just going round the rooster here.

 

RIP Blackie (the best hen ever), Rusty (too curious once too often) and Cinders (my grey girl)

 

 

Reply
post #3 of 4
Thread Starter 

I find this all so confusing.  I don't like any of it!   But thank you for the input.  It almost seems as if it is worse to vaccinate than not.

post #4 of 4

Vaccination won't do any harm to the chicks.  It is obviously more cost-effective to use the bottle on 100 birds, but if you have a backyard flock and are prepared to pay the same price to only vaccinate a handful of birds then it is never a bad thing to do. 

 

I am certainly considering it for this spring.  The vaccinated birds in my flock have shown mild neurological signs, but nothing worse.  However I have lost two birds this year - both non-vaccinated, so I believe that it is worth doing.

 

All the best for you and your flock.

 

Started out with 3 birds. Currently at 13 pullets and 2 roos

- chicken maths is definitely getting the better of me!

 

Member of the Derperella Club - we're all just going round the rooster here.

 

RIP Blackie (the best hen ever), Rusty (too curious once too often) and Cinders (my grey girl)

 

 

Reply
 

Started out with 3 birds. Currently at 13 pullets and 2 roos

- chicken maths is definitely getting the better of me!

 

Member of the Derperella Club - we're all just going round the rooster here.

 

RIP Blackie (the best hen ever), Rusty (too curious once too often) and Cinders (my grey girl)

 

 

Reply
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