I have an old (1992) Michigan Dept. of Ag. chart for farm animals that lists the average dairy cow at 1,400 pounds producing 42,560 pounds (15.2 tons)of manure per year or 116.6 pounds per day which would be 5.03 pounds per day for 20 geese.
Hmmmmmm ??

Mistakes are proof that you are trying.


Dan