It is a fact that fainting goats will not faint really but they get fainted due to medical disorder named Myotonia congentinaThis medical condition can be even seen in humans, cats, dogs etc and reports estimate 1 out of 100,000 humans get attacked with Myotonia congentina.
Usually fainting goats are small in stature and the miniature fainting goats will be around 18 inches, traditional fainting goats is of 22 inches and Boer goat is of 30 inches. These fainting goats are less in population, reports estimate that only 2.12 million Boer goats and 10,000 traditional fainting goats are existing in the world.
In olden days, fainting goats were mostly trained and used for protecting the flock of goats when predators attack them. The fainting goat will fall prey to the predators and aids the other goats in escaping.