Show milk production cost on wisconsin farms A study of the cost of milk production on 48 wisconsin farms made by the bureau of agricultural economics united states department of agriculture and the alie university of wisconsin showed that the amount of man labor averaged ed hour sper cow annually or 28 minutes a day this labor included milking feeding caring fur for utensils and cleaning the barn but not hauling manure from the barn delivering milk or caring for young stock some fd farmers spent as little littie as aa 20 minutes a day per oer coy find others as aa much 6 sa 45 |