yes, Equine Protozal Myelitis is a "bug" that can be passed.
If by "possums disease" you mean Equine Protozoal Myeloencephalitis, the answer is a few horses will, but these were the minimally affected horses. Severely affected horses (ie, those that are having difficulty walking or standing) generally do not recover fully and many are euthanized for humane reasons when they become infected.
Not all horses are dangerous. In fact, most horses are kind, unless you get on their nerves.
Ragwort is poisonous to horses it is very dangerous
This is no more dangerous than if the horse is barefoot.
The poison used to kill possums has arsenic in it. It can also contain cyanide, ethylene glycol, and several other dangerous chemicals that are used to kill the animal.
Humans, dogs, pigs, cows, horses, dolphins, possums, and elephants are all placental mammals but there are others as well.
possums
Possums are not blind.
Hippopotamus
Wild horses can be dangerous animals, as they are unpredictable and may exhibit aggressive behavior when feeling threatened or cornered. It is important to exercise caution and maintain a safe distance when encountering wild horses in their natural habitat.
Possums are eaten by snakes.
There are no possums in possum pie, as true possums are found in Australia and nearby islands, and they are protected in Australia. Possums are not the same as opossums.