"Cage rest" refers to the practice of confining an animal to a cage or enclosure for a period of time to allow it to heal and recover from an injury or illness. Full definition
Dogs weighing less than 10 kg (22 lbs) may heal without surgery, provided they have severe exercise restriction such as strict cage rest for six weeks. (glenerinanimalhospital.com)
With six weeks of cage rest and leash walking, most dogs almost always return to near normal function. (pettao.com)
If a dog's condition improves with cage rest it should be continued for up to 3 weeks. (lbah.com)