A deterrent apparatus having a non-conductive tubing having a length, an outer surface and an inner surface defining a lumen, and at least a first electrical conductor and a second electrical conductor present on the outer surface of the non-conductive tubing. A power source comprising a battery having a first terminal and a second terminal is connected to the conductors so that the first terminal is electrically connected to the first conductor and the second terminal is electrically connected to the second conductor. The deterrent apparatus is suitable for use on medical tubing or veterinary tubing, for example, to deter animals from chewing or biting at the tubing.