Lysine is a kind of feed additives which is made from corn starch and other raw materials. it is one of the most widely used amino acids required in the diets of pig, aquatfeed, poultry and most other animal species. By adding it to the animal feed enables the animals to get a more balanced diet. Lysine forms an essential part in animals' diet. Inclusion of Lysine in the feed can help enhance the protein utilisation and balance the amino acids in animals.