Less than a year ago i bought 3 dual purpose ducks 2 hens and a drake. today i have about 20+ ducks all offsrpring of those nearly full grown, they are in different gardens at different family members. All because my yard is only about 1/10 of an acre and i dont want to have too much nitrogen in the soil , so i planted some jerusalem artichokes inside the stinging nettles patches. to overcrowd them, that part has worked so far but i was wondering how many of these 6-7lbs ducks i can keep sustainable on 1/10 of an acre . Some extra info they only lay 60 eggs anually , they also never fly since their wings are too small according to the rest of the body ow and the breed is " eend van vorst " no idea what that translates too in english they originated from a city near brussels(belgium). I only keep 4 hens in my garden for now but they cant eat all the pasture and they barely touch their grain when i feed them only once or twice a week.
their main purpose is being a lawn mower . but i dont see the height of the pasture go down with 4 ducks on less than half of my garden give or take 1/25 of an acre is what the live off now
so the question is how many ducks should i keep??