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Senior horse losing weight? What supplements can help him gain?

Updated On September 23rd, 2025

Pet's info: Farm Animal | Horse | Male | neutered | 25 years and 5 months old

My 25 year old gelding, Bo, cant seem to keep or gain any weight. I feed him 4 lbs of senior grain morning and night at the previois recommendation of my vet, he has access to grass and hay, but he still looks like hes neglected. I just cant get him to put weight on. What are some other supplements I can give him to gain weight?

1 Answer

Most Helpful Answer

Published on June 1st, 2018

Make sure your vet has done full bloodwork and an exam to look for any obvious age-related health issues like bad teeth, infection, or internal tumors. Senior feed is great, but some horses need more like 12-15 lbs of it per day to maintain decent weight. It can get really expensive, unfortunately. If you increase the feed, do so very slowly to avoid colic or impaction. Beet pulp and high-fat supplements can also help. I use Purina Amplify. Hope that helps!

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