Measure the total volume in the vial (if possible, by drawing it all out with a syringe, noting the volume, and injecting it back)
They include pain relief medications (many different types and groups of drugs, although less than in dogs), joint modification drugs, weight and exercise control, nutritional management, dietary supplements, environmental adaptations, monoclonal antibody treatment, stem cell treatment, platelet rich plasma treatment, acupuncture, intra-articular injections, surgery, Western herbal medicine, and, of course, rehabilitation
There should not be any swelling or bruising or other visible signs of the procedure after the redness subsides
Multiply the vial size by the target volume, then divide by the desired dose