In group of 60 dairy farms were in 2012 was calculated the average cost 65 thousand CZK per cow and 9.14 CZK per liter of delivered milk, which at sales of milk 58 635 CZK and 7.77 CZK corresponds to loss 6 713 CZK per cow and year and 0.97 CZK per liter of milk. Variability of cost items indicated to improving economic performance in all breeds. Increase annual milk yield of 100 liters of milk per cow and year resulted increase profit per cow and year of 185 CZK.