Onager a subspecies of the onager as "E. hemionus kiang", but recent molecular studies indicate it to be a distinct species, having diverged from the closest relative of the Mongolian wild ass's ancestor less than 500,000 years ago. Widely five recognized subspecies of the onager include: A sixth possible subspecies, the Gobi khulan ("E. h. luteus", also called the "chigetai" or "dziggetai") has been proposed, but may be synonymous with "E. h. hemionus". Debates over the taxonomic identity of the onager occurred until 1980. As of today, four living subspecies and one extinct subspecies of the Asiatic wild ass have been
Animal digest flavoring. Pet food may legally be labelled as "Chicken Flavored" regardless of the percentage of chicken-derived product it contains, so long as the chicken flavoring is deemed "perceptible." If a product is labeled as "flavored" by a certain type of meat, the digest it contains must have been produced from tissues pertaining to the listed animal species. Chicken flavored food must be flavored with chicken digest. Animal digest Animal digest is a common ingredient used in pet foods. As defined by the Association of American Feed Control Officials, digest is produced by the chemical or enzymatic hydrolysis of clean animal