Tell me, is it okay to raise ducks this way? Just build a pond in the field and let them live freely in the pond. They don’t need to be fed every day.

It’s a good idea to not need to feed the ducks, but I just feel that I have wronged the ducks. For example, if others can make a net profit of 100,000 yuan a year by feeding them, if you let the ducks fend for themselves, you can only make a net profit of 20,000 yuan a year at most. And you have to make sure that the ducks don't get sick. If you want to make money, you have to let the ducks eat enough to grow meat. Don't think about the horse growing well, and don't think about the horse not eating grass happening to you.