In most cases, the cast for a dog's fracture can usually be removed at about 6 to 7 weeks, but after removal, care should be taken to avoid strenuous exercise for the dog.
But how long the dog needs to be in a cast depends on the advice of the pet doctor, because this is different from The age and size of the dog, the dog’s own physical fitness, the location and severity of the fracture, etc. are all related. The pet doctor knows the dog’s condition best. If the pet doctor says that the dog needs to be taken to change the cast midway, by then Be sure to take it with you for replacement.