A: In addition to checking the use by day, you are able to inform pork has gone terrible if it smells rancid, looks discolored, has mold growth or possibly a slimy texture.  Velit euismod in pellentesque massa placerat. Nunc mi ipsum faucibus vitae aliquet nec ullamcorper sit. Felis donec et odio pellentesque diam volutpat commodo.Stack Exchange