Is it a layman's duty to be Vegan?

From a scriptural point of view, Buddha did not forbid the consumption of meat, let alone animal products etc., but what we do know is that 'Right Livelihood' tells us to not work as a butcher. Put in modern context, do Buddhist practitioners have a moral responsibility to become vegan? Can abuse, exploitation, commodification, torturing & unnecessary killing of sentient animals ever be morally justified in our modern day & age, where plenty of alternatives are readily available? Once we know about the abattoir's conditions around the world, we are informed & we thereby have to take kammic responsibility, otherwise we will partake in the deaths of trillion animals, due to our demand for animal products.