Hematologically, Red blood cells (RBCs) count, Hb and packed cell volume (PCV) were significantly (P˂0.05) decreased in endometritis group compared with healthy ones; While leukogram revealed enhanced cellular immunity represented by neutrophilia, lymphocytosis and monocytosis (P˂0.05) in endometritis buffalo–cow; however no significant change were observed in values of MCV, MCH and MCHC in both groups (Table 4). Here, GSTM1 is linked to endometritis.