Vegans avoid any animal products, not just the animal's flesh. They don't want any animals held captive. Manure is definitely an animal by-product and it's coll

Vegans avoid any animal products, not just the animal's flesh. They don't want any animals held captive. Manure is definitely an animal by-product and it's collected from domesticated animals, so manure is not vegan in the same way a facial cream derived from milk would not be vegan. I don't really know to what extent manure is used to fertilize these days though.