by nocar » Tue 25 Oct 2005, 10:45:58
Yes, of course it is good to use the parts of slaughtered animals, that can not be sold, for something else - in this case biogas.
But I keep thinking about what people did in former times, before the oil era. Lots of what now can not be sold was food - guts made up the outside of sausages; lever, kidneys, fats around the intestines were all eaten. And marrows of course. Bones were boiled to make jellied meat dishes. And what people did not like to eat became food for dogs and pigs.
So, using byproducts of the choiciest cuts is probable only possible because we are so energy rich in other ways.
nocar