Poultry

[Damian Akinwale Ogunbi]

For early protection before exposure to the virus.

[Olayiwola Danso]

<div>Protection against early infection</div>

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[Dr Yamna Ahmad]

Marek’s disease should be given at the hatchery on day 1 ( at hatch )because it provides early protection to birds.

[Md. Osman Sheikh]

Birds must get the vaccine before they are exposed to the virus. Then the birds need about 4–7 days for the vaccine to do its work.

[Bello Bashir Bello]

and at what week