Is it ok for chickens and deer. It doesn't smell rancid AT ALL. no mold, moisture. Expansion and the are still in airtight drums..Bontrae was developed in the late 60's by General Mills. They shut down their mill in 1976 and sold the name and production licenses to Central Soya, who in turn abandoned production in the early 80's, so that TVP you have is probably nearly 40 years old - so the fact it's missing a lot number doesn't matter that much.