Re: Stupid questions I am too embarrassed to ask or go against the status quo

Eleanor Kellon, VMD

Sorrel/chestnut, palomino, dun have primarily copper based pigments and bay/black requires both copper and zinc. Deficiency is a combination of intake and stored mineral so no set time. Hay analysis is the most accurate way to determine deficiency.
Eleanor in PA 
EC Owner 2001

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