Feeding Platinum Performance CJ to dogs

We have three large dogs (62-78lbs) that are all needing advanced joint support. We do a round of Adequan injectable every 4 months or so based on how they are moving, but our vet has recommended a daily joint supplement. I’ve tried a few various products and none have made an impact. I am a huge fan of Platinum products. I used them for years with my horse when he was alive, and several years ago our dogs were on the basic Platinum Performance and did really well (horse formula, fed in much smaller amount, like 1 or 2 tbs per day). I would like to stick with their products because I know they work, and are backed by quite a bit of science and research.

That being said…the cost to feed their CJ canine formula would be out of the question based on the size of our dogs Buying the equine version in the 10lb bucket is FAR more affordable, and I’m hoping we could feed roughly the same amount that we did with the PP (1-2 tbs/day). Has anyone done this? I do plan on reaching out to my vet…just curious for other’s experiences and feedback first.