What is swill meaning?

Swill is a term often used to refer to waste food that is not fit for human consumption, but is instead used as feed for livestock. This can include items such as vegetable scraps, stale bread, and other food waste that is not suitable for people to eat. Historically, swill was a common source of food for pigs, particularly in urban areas where pigs were kept in close quarters with humans. However, concerns about disease transmission led to many countries banning the use of swill for animal feed, as it can potentially spread diseases such as foot-and-mouth disease and swine fever. Today, many farmers prefer to use specially formulated animal feeds that provide a balanced diet for their livestock, rather than relying on swill.