The "medicated" chick starter I feed, a Blue Seal product, contains Amprolium. I feed this to the chicks for eight weeks. At seven weeks, I begin introducing (the feed I use is Blue Seal) "Game Bird" crumbles into the chick starter. At eight weeks, the chicks will be completely on game bird crumbles, which they will get until the pullets lay their first eggs. Game Bird or Grower-Cal, both Blue Seal products, are nutritionally formulated for growing birds.
I recently attended a poultry seminar where the speaker, Mike Darre from UConn, said that cocci is present in all soil, it's just a matter of to what degree it is. This means if you walk across your yard and enter the coop, you carry cocci into the coop. At the same seminar, a speaker from a local organic farmer's association did not at all support the feeding of Amprolium medicated feed to chicks; no surprise there. It's your choice.
Our local organic farmer's association does not take issue with vaccinating one day old chicks with Marek's vaccine - here, you can vaccinate chicks for Marek's and still have them certified organic.
I feed my flock based on info from experienced poultry breeders, reading University/ Cooperative Extension literature, and admittedly, trial and error.
Who knew there was so much to poultry nutrition?
Good luck in your learning/ decision process, and good for you for thinking about what your'e feeding your birds!
I recently attended a poultry seminar where the speaker, Mike Darre from UConn, said that cocci is present in all soil, it's just a matter of to what degree it is. This means if you walk across your yard and enter the coop, you carry cocci into the coop. At the same seminar, a speaker from a local organic farmer's association did not at all support the feeding of Amprolium medicated feed to chicks; no surprise there. It's your choice.
Our local organic farmer's association does not take issue with vaccinating one day old chicks with Marek's vaccine - here, you can vaccinate chicks for Marek's and still have them certified organic.
I feed my flock based on info from experienced poultry breeders, reading University/ Cooperative Extension literature, and admittedly, trial and error.
Who knew there was so much to poultry nutrition?

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