It sounds like we're in the same predicament. My Gryphon was diagnosed today with a rupture cruciate ligament and have been watching youtube videos on symptoms and diagnosis along with reading information to better understand this.
My Gryph is a 10 Y.O. English Springer Spaniel and it just broke my heart today to find out his hip joints are displaced along with this rupture. Surgery is SO expensive and am trying to look into alternative remedies too.
A friend of mine steered me onto Tri-Act H.A. about a week ago. It has the Glucosamine ingredients but also has hyaluronic acid which is good for Joint discomfort.
I'm hoping that by not walking him, limiting his exercise and is on an anti-inflammatory and the Tri Act supplement, we can kick this problem out the door.
I don't want to get older too.