How much is a monkshood donkey seedling, how heavy is it, and how long does it take for a few months for the donkey to be born and slaughtered? What is the feed cost for donkeys from birth to slaughter? There are all kinds of Aconitum donkey seedlings from 2000 to 3000, and all kinds of them weigh about 300-400 kg. It takes more than one year for the donkey to be slaughtered from birth. The daily cost of a donkey is around 7-8 yuan, and the improved aconite donkey can generally grow to more than 700 kilograms.