Oleoresin Capsicum - Is a lachrymatory agent (a chemical compound that irritates the eyes to cause tears). The active chemical called capsaicin causes a burning sensation and inflammation of the mucous membranes. This is the active ingredient that helps to repel the animal from eating its own faecal waste.
Alpha-Amylase - An enzyme that breaks down the carbohydrates, improving the animal's digestive performance. This should make the animals' waste matter less attractive to eat.