Physio is not just for humans. Animals can also have their favourite physio treat them as well. Horses and dogs are the primary animals that have physio because their performance can be monetised but their is also physio that can be used for animals that
Just like humans animals have operations, they need splints, they can tear ligaments and develop problems with their brain which will affect the functioning of their body. Also just like humans they can benefit from stretching, massage, joint mobilisations and trigger point soft tissue work.
Animal physios need to know a whole different set of anatomy so they usually specialise in a particular animal. Communication for an animal is also somewhat difficult so it does require a special skill set to work out where the injury is and what can be done for them.
Contact the Australian Physiotherapy Association to find a member of the Animal Physiotherapy Group if your dog needs treatment.