The present invention relates to methods and compositions for the treatment and/or prophylaxis of Clostridium difficile associated disease (CD AD). In particular, the invention relates to antibodies that bind to C. difficile antigens and are capable of inhibiting C. difficile infection, at least one symptom of C. difficile associated disease, shedding of C. difficile, and C. difficile associated mortality. The compositions of the present application comprise: mammalian or avian antibodies which bind to a C. difficile Toxin B； and mammalian or avian antibodies that bind to a C. difficile vegetative cell antigen and/or a C. difficile endospore antigen.
