>>298543441. Sperm is about as "alive" as a plant is
2. Vegans can't eat animals or products of animals (like milk).
So yes, fauna won't eat sperm but it's not because sperm is alive, it's because it's a product of an animal. But, there's a chance you could trick her into doing it if you convinced her that if vegans can drink human breast milk, then drinking human sperm should be vegan too.