A study conducted on forty four triple cross-bred (½ Kankrej X ¼ Jersey X ¼ Holstein Friesian) pregnant heifers (20) and cows (24) on days 90,150, 210 and 275 of gestation for hematological parameters like hemoglobin, red blood cell count and pack cell volume revealed that the values decreased significantly (P<0.01) during advanced pregnancy while MCV, MCH and MCHC did not show any significant difference during the different stages of gestation. 1342451433.php