Seroprevalence ofandin dairy cows in Hebei province, China.

Abstract

() and() are protozoan parasites that cause severe disease in animals and significant economic losses for farmers worldwide.is considered to be a serious parasite for dairy cows, whileinfection is a serious parasitic disease that can infect people and livestock. The aim of the present study was to investigate the seroprevalence ofandin dairy cows in Hebei province, China. A total of 723 dairy cow sera samples from three regions in Hebei were analyzed by enzyme-linked immunosorbent assays (ELISA). The results revealed that 19.92% (144/723) of the individual serum samples were seropositive for, 37.34% (270/723) of the individual serum samples were seropositive for, and 8.7% (63/723) of the individual serum samples were seropositive for mixed infection. A higher seroprevalence ofwas found in the present study, when compared to previous data. To the best of the author's knowledge, the present study is the first to detectandantibodies in the vast areas of Hebei province, China.