Dog whistle was invented in 1878 by Francis Galton, (also commonly known as Galton’s whistle) is designed to emit high-pitched sound in the ultrasonic range. While people cannot hear the high pitch of the whistle many animals including dogs as well as domestic cats can. This makes an ideal training tool as to the human ear it doesn’t produce a loud irritating noice that a normal whistle would.

Dog whistles are effecting in the same way other methods of training are, by training your dog to consistently respond in a certain fashion to their use. In other words it’s not so much the whistle but the way use it with your dog.

A dog whistle emits sound in the ultrasonic range, which people cannot hear but some other animals can, including dogs and domestic cats, and it can be used for training purposes.

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