Created originally for Katrina victims, this is now THOUSANDS OF ANIMALS LATER always a top selling product. Proven extremely effective for separation-anxiety. Dogs, puppies, cats, kittens, rabbits, birds, reptiles were all helped post-Katrina adjusting to new surroundings, conquering fear, trauma, stress, and loss restoring emotional well-being. Feral cats (some not touched in 10 years) are now happy house cats. Birds and Fish only require 1-2 drops (sprays) 1-2 times daily.