Originally Posted by MHFoundation Quarters
In that case, I'd certainly look into changing her feed. I've got seniors but haven't used "senior feed". I have a vet who very much doesn't care for the senior mixes in general. My old guy - who will be 30 and is lacking in the teeth department, we've not even went the sr. Route.
You might look into a supplement like cool calories or one that's mainly fat & no other 'hot' additives to keep her gaining.
As far as I've seen, most Senior mixes are just glorified Sweet Feeds - there's enough sugar to rot the teeth of even the sweet-toothiest kid out there. And that could
explain why the OP's mare is as jittery as she is.
We have both of our hard keepers on a mix of Alfalfa pellets, soaked Beet Pulp, and SafeChoice, with our AHA gelding also getting electrolyte. But I have friends who've had amazing
results from CoolCalories (Cool Calories 100 Weight Supplement | Dover Saddlery
), especially in helping regain those last 25-50# and then in maintaining that weight without the horse getting really hot, and these horses were inclined to be (two OTTBs that were too scatter-brained to stay on the track, a former cutter, and a barrel bred mare from lines that are notorious
for being really hot-headed).