One man's meat is another man's poison

Fish eggs

In So It Goes, a book containing a collection of Edward Rodwell’s articles published in The Standard for a period spanning 60 years, he makes some interesting observations about the uses put to various parts of a dead cow and the source of some delicacies we enjoy in high-end restaurants.

The hooves, he says, are boiled to produce tallow, a substance used to produce glue and soles for shoes, while the stomach lining of day-old calves is used in making cheese.