The Urban Dictionary of muscle building horse feed

https://blogfreely.net/joyceynjah/7-reasons-hoveler-pur-muskel-suits-the-winter-workload

Vet checks reward horses that hold condition, and this FEI-compliant muesli supports muscle condition with 20% raw protein and 160 g/kg of digestible crude protein. Pack the 44 lb bag and keep the complete ration consistent on the road.