Assessment of phagocytic activity of blood and milk neutrophils of crossbred cows during Peripartum period

Six crossbred cows (Holstein Friesian × Kankrej) were investigated in their advance stage of gestation period for Phagocytic Activity (PA) of Blood and Milk. Blood was collected on days -30, -15, -7 and -3 before calving, on the day of calving and on days 3, 7, 15 and 30 after calving while milk collected on the day of calving and 3, 7, 15, 30 day after calving.