Yes your horse would have to be q registered breed to race.
10,000 to 20,00
Since horses are usually registered by their breed it would be hard to compile statistics on all breeds together.
Arabians are not used for harness racing in the US, only Standardbred horses are used for harness racing in the US.
Virtually any breed of horse can wear any assortment of harness, there being at least as many types of harnesses as there are breeds of horses.
Every breed registry will have accurate records of the horses registered with them. I know of no place where to get all breeds together. Get the numbers from the different breed registries and them add them together.
There are around 180 breeds to 200 breeds of horses
There are hundreds of breeds of horses.
yes, over 250 breeds of horses roam the earth.
Clydesdale, Arabian, and appaloosas are all breeds of horses.
No. There are many horses that are branded but not registered.
There is a paint breed...but the pattern is found in other breeds such as TB's and QH's
There is over 100 breeds of horses throughout the world.