Milk production involves separating calves from their mothers on a yearly basis. Most are slaughtered shortly after, their stomach lining is taken as it contain

Milk production involves separating calves from their mothers on a yearly basis. Most are slaughtered shortly after, their stomach lining is taken as it contains an enzyme used for cheese production. Personally, I am fine with it as long as no extra, unnecessary suffering is caused, but some activists may call it inherent animal abuse.