They produce delicious products such as MSG and salts. Who cares if they use pig bones or chicken bones. A bone is a bone. Pigs are banned by some religions because it takes too much water to keep them and in a desert, water is too valuable. Pigs are not evil or unholy regardless of what some people think. This is a science topic, not mythology. For the record, I doubt they use pig bones.
IS AJI NO MOTO A VEGETARIAN PRODUCT, WHAT SMELL IT HAS, VEGETABLE OR A PIGS SMELL.. MFG. PLEASE REPLY DONT HIDE ???