Dawn, regarding your mare's poor topline, in a quick look at your diet it looks like it may not contain enough protein for a broodmare, especially when she is lactating (although her foal is getting older now). Is this her diet full time?
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Alanna
May 2018
Los Angeles, CA
Buster's case history: https://ecir.groups.io/g/CaseHistory/files/Alanna%20and%20Buster  .