Show best to compound grain 1 mixture for diry cows in making a ration cost la Is one of u tile the important factors tile the best practice Is to compound a grain mixture so ao that it will balance with the home grown roughage with this in mind the separate grains should be selected to supply tile lie necess necessary nry nutrients at the lowe lowet lowest t possible cost for tilts this not only the price per hundred pounds but also the relative cost of each constituent especially protein must be considered si for example to determine the cost or of a pound of digestible protein in a given feed divide tile the price of 1100 pounds by the per cint of dt 11 gestl tible ble protein in the feed if till this calculation Is made for several feeds I 1 the relative cot cott cot t of protein in bac each 11 will be apparent then tile the feeds that furnish protein at the least cost cau can he be selected tile the tame same con can be done tu to determine the cost of the carbohydrates and fat which are tile the or energy producing part of the feed |