Vets, horse trainers and breeders, zoologist's, and pretty much anyone fascinated by horses
I think it's a horseologist, but I'm not too sure.
A person who races horses is called a jockey
In Thoroughbred racing the rider is called a Jockey and in standardbred racing they are called drivers. There is also the horse trainers, owners, and grooms.
equinologist
hippologist!
A groom
horseaolgust
i think it is a scientist who studies the genetics of horses
A scientist is someone who studies science.
The name of a scientist that studies sports is called a sports scientist.
A scientist who studies butterflies and moths is called a lepidopterist.
A scientist that studies fungi is called a mycologist.
Soil scientist
A scientist that studies animal life is a Zoologist.
A scientist who studies animals is called a zoologist.
a type of scientist who studies about metal is called metallururgist
A scientist who studies insects is called an "entomologist".
A scientist who studies anatomy is called a anatomist.
A scientist that studies bears would be called an ursinologist.