vaccinating?

[BRYAN662]

i would like to vaccinate my chickens and chicks. what do i use and old old do they need to be?

 

[BRYAN662]

please i need info

 

[chickeepoo]

Don't know what you're vaccinating for, here's the link for Marek's vaccination:
https://www.backyardchickens.com/forum/viewtopic.php?id=135329

Someone must know where to steer you for the others…

 

[Ridgerunner]

It depends on what you want to vaccinate them for. I suggest talking to your county extension agent for suggestions for your area. You can do a search on this forum and get a lot of discussion on this. In addition to Marek's, I'd question the agent on their thoughts about vaccinating for fowlpox.