The plural version is a lot more typical according to Google ngram. It is also employed for instance in Cambridge's dictionary. Some vegetarians also exclude various forms of cheese. Most cheesemakers use rennet through the cheese creation process. Rennet historically originates from the tummy lining of the calf or child https://www.cureayu.com/blogs/diabetes-care/10-dos-and-donts-to-control-type-2-diabetes