Conditioning feed with a long "opened" life?

[Equi]

My little 23yo mini is starting to show her age and has lost a lot of weight this winter (teeth are okay shes been seen every 3 months lately just to check) She has lots of hay and eats her fill she is well rugged and in on bad cold nights etc. I just want to give her a little something extra to keep her going but she won't eat mashes so it has to be pellet. Ive never had the likes of conditioning cubes for any longer than a month or two as it was only ever for the big horse so i don't know how they fair long term...at her size a bag will last at least 6+ months. I can't use any mix types cause i know how fast they go off.

If i got a bag of Baileys conditioning cubes, will they last for that long without going that horrible smelly way ?

 

[Roxylola]

You can get a small bag of baileys outshine which might be better
6.5kg - lasts a few months for me as I use it as a top up

 

[PinkvSantaboots]

You can buy micronised linseed in small bags as well but whatever you buy might last longer if you tip it in one of those big plastic boxes with lids, I do it with my linseed and it lasts ages kept like that it never goes off.

 

[ycbm]

The calories in conditioning feeds are usually obtained from some form of oil, you might find it easier and cheaper use some from a bottle from the supermarket if it's calories without bulk that are needed.
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[SO1]

I would be careful about conditioning feeds for natives I am presuming mini is a sheltland. The starch and sugar content may be more than they can cope with and you may get a laminitis.

At 23 have you had her tested for Cushings as this can cause weight loss?

I don't know what you are feeding at the moment but rather than a conditioning feed I would try a pelleted balancer oil based and ideally mollasses free.

My 20 year old new forest is on blue chip native he is a good doer though and has soaked hay. This is pelleted they also do a concentrated senior balancer also pelleted. You can get some samples to try to see if she likes it. They are oil based and with linseed. I know these old style balancers have a fallen out of fashion but it seems to work for my pony he started on this last year.

My vet also advised screening for Cushings every year from 17. He is also screened for EMS as well as well as 6 monthly dental checks.

 

[Rowreach]

The calories in conditioning feeds are usually obtained from some form of oil, you might find it easier and cheaper use some from a bottle from the supermarket if it's calories without bulk that are needed.
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I'd definitely start with this.