Pulled my beef roast out of the slow cooker and saw these weird white stringy things poking out of the meat. They look like little worms or parasites. Is the meat infested?

of the meat or throughout the interior. This is particularly common in cuts that have a high amount of connective tissue. The slow, moist environment of a slow cooker is ideal for this transformation, making it an excellent choice for tougher cuts of meat.

During the slow cooking process, the muscle fibers in the meat contract and lose moisture. As the fibers contract, they can sometimes push out or expose the connective tissues, which appear as white strings. This