The milk was then transferred to Khuzestan Dairy Pegah Co. for evaluation, storage and processing. The density of the milk was measured by a lactodensimeter (Witeg, Wertheim, Germany, Germany) at 15 °C. The fat content was determined using the Gerber method Total nitrogen content was analyzed by the Kjeldal approach and the conversion factor of 6.4 was used to estimate the total protein content. The total solids (TS) content of the milk was determined by evaporation of 1 g sample on a boiling bath, followed by oven-drying at 102 °C until constant weight was attained