Salt is an important element of animal food as a salt deficiency can prove to be quite troublesome causing various diseases. Therefore, rock salt and its products are used along with regular feed to fulfill the salt requirements in animals. Animal salt lick is made entirely from pink Himalayan Crystal Salt. It comes with a hole drilled through the center of the block, plus a natural fiber rope to tie it to a fence post or other object. Its best to keep the salt lick off the ground, tying it at the natural â??snout height of the animals youâ??re buying it for.