"They make [sausage] casings that aren't natural that will ... Conversely, natural casings are made from the intestines of animals, often pigs and cows, although sheep and goat intestines can ...

Sometimes ignorance is bliss, and that could apply to how hot dogs are made. If you really want to know what the casings are made of, these are the options.

The casing is traditionally made from animals’ intestines – sheeps’ intestines for small sausages such as chipolatas, pigs’ intestines and ox intestines for larger sausages. FAQs about BBC ...

The classic sausage and mash served with ... that is seasoned and stuffed into a casing. The casing is traditionally made from animals’ intestines – sheeps’ intestines for small sausages ...