How much copper and zinc to feed


Jonni Jump
 

How much poly copper and poly zinc should I feed a 250 pound miniature horse?
I get the powder from California trace.com 

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Jonni Jump
June, 2018
Augusta Ga.
Mirage i.r. friesian/ssh mare 
Mirage:
https://ecir.groups.io/g/CaseHistory/album?id=60938
https://ecir.groups.io/g/CaseHistory/files/Jonni,%20Mirage,%20and%20Lily 
Lily:
https://ecir.groups.io/g/CaseHistory/album?id=80272

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