The effectiveness of anti-R. equi hyperimmune plasma against R. equi challenge in thoroughbred Arabian foals of mares vaccinated with R. equi vaccine

抗马红球菌高免疫血浆对接种过马红球菌疫苗的母马所产纯种阿拉伯幼驹抵抗马红球菌攻击的有效性