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Is it? You are paying for the convienence of getting pre-vaccinated chicks, and since Mareks rarely kills before 14 weeks, you are saving tons of money by getting them vaccinated. A 16-week non-laying pullet costs about $15.
So say you bought 20 unvaccinated chicks, they get Marek's, and you are SUPER lucky and only 2 die before point-of-lay. You could have saved $10, have an uninfected flock, and not have to deal with semi-retarded chickens for the rest of their lives.
just finish talking with the state vet department of agriculture
usda certified and he told me there has not been any reports
of any poultry having marek's in the state of arizona
also their is no reports of any having new castle
and he said they do research everyday on animals in their labs
the biggest concern for the state is microplasma
and avian influenza
That's mycoplasma: CRD & mycoplasma synoviae, plus a couple of other mycoplasma strains.
Where there are chickens, there is mareks.
http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/203602.htm Some breeds of chickens tend to have a natural immunity; other breeds seem to be prone to developing the disease.