Infections with Trypanosoma evansi (surra) similarly result in anemia with reduced RBCs, Hb, and HCT, alongside lymphocytopenia, monocytopenia, eosinopenia, and decreased antioxidant enzyme activities such as glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), and total antioxidant capacity (TAC) [25,47]. The gene discussed is GSTM1; the disease is Decreased total monocyte count.