European Journal of Biotechnology and Bioscience

Authors
Adam D Abakar, Osman M Fadalalla, Abuagla Y Mohammed, IH El Mahadi, Adil EA Bala, Mohammed S Mohammed

Abstract
In this study, enzyme-linked immunosorbent assay (ELISA) test was performed using Theileria annulata surface protein ‘‘TaSP’’ antigens for detection of antibodies against T. annulata to screen the infection within dairy cattle raised at Elhoush ditrict, Gezira State, Sudan. Out of 474 serum samples, collected from pure local and crossed breed of both sexes and different age groups, 344 (72.6%) were found positive for T. annulata antibodies. The prevalence rate of T. annulata antibodies in female (80%) was higher than in males (20%). The highest prevalence of T. annulata antibodies according to age groups was (84.2%) among cattle from one to three years old followed by cattle more than three years old (75.5%) and the lowest prevalence rate (60.8%) was recorded for calves less than one year old. According to cattle breeds, the prevalence rate of T. annulata antibodies for Friesian was (76.0%), followed by local breeds (72.0%), Jamoos (70.4%) and Gearcy (60.0%), respectively. The highest prevalence rate (79.8%) of T. annulata antibodies was detected in autumn, followed by winter (72.0%) and the lowest prevalence rate (68.6%) was detected in summer. The findings is a contribution to the understanding of the epidemiology of the tropical Theileriosis in such a region.