I, Farm Boy! Iconic Asils Produce Ideal Free-Range Chicken An iconic chicken breed believed to have originated from East Asia and brought to the Southern Philippines by Islamic Missionaries in the 14th Century has proven to be an outstanding material in improving the quality of free-range chicken. Known as Asils internationally, this breed carries different names in the Philippines - Jolo for those which were bred in Jolo, Basilan for those coming from Basilan and Parawakan in Palawan and Centra