We have posted before about studies linking tall fescue endophyte with hoof pain. This study also links it with reduced insulin sensitivity/increased insulin resistance, which likely explains the hoof pain https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9194999/ .
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Eleanor in PA

www.drkellon.com 
EC Owner 2001
The first step to wisdom is "I don't know."