Northfork Bison Distributions Inc. recalled ground bison and patties imported from Canada that are linked to a multistate E. coli outbreak.

Two companies recalled large amounts for ground beef for possible E. coli, and public health officials are testing the meat to find out whether it’s linked to an ongoing E. coli outbreak. The USDA warned that additional product may be recalled in the continuing investigation.

JBS Plainwell recalled about 43,000 pounds of ground beef that may be contaminated with pieces of hard plastic.

Meat processors who brushed up on the latest labeling guidelines at the International Production & Processing Expo learned details about when bioengineered logos might be needed and how FDA’s nutritional panel updates might trickle over to their products.